www.arves.org - Chess Artistry Adventure 2024

Studies selected for the Chess Artistry Adventure 2024 organized by Judith Polgar.

[Event "Chess Artistry Adventure 2024"] [Site ""] [Date "2024.05.23"] [Round ""] [White "Gyarmati, Péter"] [Black ""] [Result "1-0"] [Annotator "GYarmati"] [SetUp "1"] [FEN "r7/8/8/1k6/b3p1p1/8/3P1P2/2RBK3 w - - 0 1"] [PlyCount "11"] [EventDate "2023"] 
 {Theme: Liquidation task} 1. Ra1 (1. Bxg4 $2 $11 {e.g.} Rd8 2. Bf5 Rd4 3. Rc3 Kb6 $1 4. Ke2 Bc6) 1... Kb4 (1... Ra5 2. Bxg4 Kb4 3. Bd1 Bxd1 4. Rxa5 Kxa5 5. Kxd1 Kb4 6. Ke2 Kc4 7. Ke3 Kd5 8. d4 (8. d3) 8... exd3 9. Kxd3 $18) (1... Ra6 $2 2. Be2+) (1... Ra7 {see the main line.}) 2. d4 $3 ({Try:} 2. Rxa4+ $2 Rxa4 3. Bxa4 Kxa4 4. d3 (4. Ke2 Kb3 5. Ke3 (5. d3 Kc3 $1 $11) (5. d4 Kc4 6. Ke3 Kd5 $11) 5... Kc2 6. Kxe4 Kxd2 $11) (4. d4 Kb4 (4... Kb5) 5. Kd2 Kc4 6. Ke3 Kd5 $11 ) 4... Kb4 $11 {eg.} (4... Kb5) 5. Kd2 Kc5 6. Ke3 exd3 7. Kxd3 Kd5) (2. d3 $2 Bc6 $11) (2. Bc2 $2 Ra5 $11) (2. Bxg4 $2 {eg.} Rg8 $11) 2... exd3 (2... Bc6 3. Rxa8 Bxa8 4. Kd2 (4. Ke2) 4... Kc4 5. Ke3 $18) 3. Rxa4+ (3. Bxa4 $2 {eg.} Rg8 4. Bc6 g3 5. f4 g2 6. Kf2 Rg4 $11) 3... Rxa4 4. Bxa4 Kxa4 5. Kd2 Kb4 6. Kxd3 { wins.} 1-0

[Event "Chess Artistry Adventure 2024"] [Site ""] [Date "2024.04.30"] [Round ""] [White "Gatti, Daniele"] [Black ""] [Result "1/2-1/2"] 
 [SetUp "1"] [FEN "3q4/1P3P2/8/p3p3/1k1p3R/3Pp2p/P3Pp1P/5K2 w - - 0 1"] [PlyCount "12"] [EventDate "2024"] 
 1. Rxd4+ $1 {Thematic Try} (1. Rf4 $2 exf4 $1 2. b8=Q+ Qxb8 3. f8=Q+ Qxf8 4. a4 f3 $1 {Stalemate avoidance - Black wins!}) ({Thematic Try} 1. Rh8 $2 Qxh8 2. f8=Q+ Qxf8 3. b8=Q+ Qxb8 4. a4 e4 $1 {Stalemate avoidance - Black wins!}) 1... exd4 2. a4 $1 {Thematic Try} (2. f8=Q+ $2 Qxf8 $1 3. b8=Q+ (3. a4 $2 Ka3 $1 4. b8=Q Qb4 $1 5. Qf8 Kb2 $1 6. Qc5 Qe1# $1) 3... Qxb8 4. a4 Qg3 $1 {Stalemate avoidance - Black wins!}) ({Thematic Try} 2. b8=Q+ $2 Qxb8 3. f8=Q+ (3. a4 $2 Kc3 $1 4. f8=Q Qb1# $1) 3... Qxf8 4. a4 Qf3 $1 {Stalemate avoidance - Black wins!}) 2... Ka3 (2... Qg5 3. f8=Q+ (3. b8=Q+ $2 Kc3 $1 4. Qg8 Qd5 $1 5. f8=Q Qh1+ $1 {Mate at next move}) 3... Kxa4 4. Qe8+ $1 Ka3 5. Qe7+ $1 {And not} (5. Qf8+ $2 Ka2 $1 6. Qf7+ Ka1 $1 7. Qa2+ Kxa2 8. b8=Q Qg2#) 5... Qxe7 6. b8=Q { and white Queen will be sacrificed at next move, with stalemate.}) 3. b8=Q Qxb8 4. f8=Q+ Qb4 5. Qc5 $1 (5. Qxb4+ $2 axb4 $1 {Not stalemate for White.} 6. a5 b3 $1 {and Black wins.}) 5... Kb2 (5... Qxc5 {Stallo}) 6. Qc2+ {or 5. Dc1+, same idea} Kxc2 {normal} 1/2-1/2

[Event "Chess Artistry Adventure 2024"] [Site ""] [Date "2024.06.22"] [Round ""] [White "Zilberstein, Dmitry"] [Black "v4"] [Result "1-0"] [Annotator "(IM) Dmitry Zilberstein"] [SetUp "1"] [FEN "8/8/5B1k/4PP1b/1p3P2/6K1/4rp2/R7 w - - 0 1"] [PlyCount "17"] [EventDate "2024"] 
 1. e6 (1. Rf1 $2 b3 2. e6 b2 $11) 1... b3 (1... Re3+ 2. Kxf2 $18 Rf3+ 3. Kg2 Rxf4 4. e7) 2. Kh4 $3 Ra2 (2... Re1 $5 3. Bg5+ $1 (3. Ra7 $6 Rh1+ 4. Kg3 Rh3+ $1 5. Kxf2 Rf3+ 6. Kg2 Rxf4 7. Ra5 Bg6 $1 8. e7 Be8 $1 $16 {No clear-cut win, for example:} 9. Kg3 Ra4 10. Rd5 Ra3 $1 11. Kf4 Ra4+ 12. Ke3 Ra3 13. Kd2 b2 14. Kc2 Ra6 15. Bxb2 Ra7) (3. Ra8 $2 Bg6 4. Rh8+ Bh7 5. Bg5+ Kg7 6. f6+ Kg6 7. f5+ (7. f7 Rh1+ 8. Kg4 Rg1+) 7... Kxf5 8. f7 Rh1+ 9. Kg3 f1=Q 10. f8=Q+ Kg6 $1 $11) 3... Kh7 (3... Kg7 4. f6+ Kg6 5. f5+ Kxf5 6. f7) 4. Ra7+ Kg8 5. Ra8+ (5. Kxh5 $2 f1=Q 6. Kg6 Qh1 $11 (6... Qg2) (6... Qf3) 7. Rc7 Qa8) 5... Kg7 (5... Kh7 $6 6. Bf6 Rh1+ 7. Kg5 (7. Kg3)) 6. f6+ Kg6 7. f5+ $3 $18 Kxf5 8. f7 Rh1+ (8... f1=Q $6 9. f8=Q+ Ke4 10. Qb4+ {Similar to 8...Rh1 but extra win option for White:} (10. Qxf1 Rxf1 11. Kxh5 $18)) 9. Kg3 Rh3+ (9... f1=Q 10. f8=Q+ Ke4 11. Qb4+ $1 $18) 10. Kxf2 (10. Kg2 f1=Q+ 11. Kxf1 Rf3+ {Transposition}) 10... Rf3+ 11. Kg2 $1 Kxg5 (11... Kxe6 12. f8=Q Rxf8 13. Rxf8 $18) 12. Ra5+ Kg6 13. Rxh5 $18) (2... Bg6 $5 3. Bg5+ Kh7 4. Ra7+ $1 (4. fxg6+ Kxg6 $11) 4... Kg8 5. Ra8+ $1 (5. Bf6 $2 Rxe6 $1 $11 6. fxe6 f1=Q 7. Ra8+ Be8 8. Rxe8+ Kh7 $11) 5... Kh7 6. Bf6 Kh6 7. Rh8+ Bh7 8. Bg5+ Kg7 9. f6+ $1 $18 Kxh8 (9... Kg6 10. f5+ Kxf5 11. f7) 10. f7) 3. Rf1 $1 (3. Rc1 {Thematic try} Rc2 4. Rf1 (4. Ra1 Ra2) 4... b2 5. Bg5+ Kg7 6. Kxh5 Rc1 7. f6+ Kh7 8. e7 (8. f7 b1=Q $11) 8... Re1 $1 $11 { Mutual zuzwang! - with Black to move White wins - see Main Line. With White to move - draw} 9. f7 (9. e8=Q Rxe8 10. f7 Rf8 11. Bf6 Rxf7 12. Bxb2 (12. Kg5 Rb7) 12... Rxf4) 9... b1=Q 10. f8=Q Qg6+ 11. Kh4 Rxf1 12. e8=Q Rh1+ 13. Kg4 Rg1+) 3... b2 4. Bg5+ Kh7 $1 (4... Kg7 5. Kxh5 Ra1 6. f6+ Kh7 7. f7 $1 (7. e7 $2 Re1 $11 {See Notes to 7.Rc1}) 7... Rxf1 8. f8=Q Rh1+ 9. Kg4 Rg1+ 10. Kh4 Rh1+ 11. Kg3 $18 {Same idea can be seen in multiple sub-variations - White King returning to g3 via g4-h4-g3 traingle}) 5. Kxh5 Ra1 6. e7 Re1 $1 (6... Rxf1 7. e8=Q Rh1+ 8. Kg4 Rg1+ 9. Kh4 Rh1+ 10. Kg3) 7. f6 $1 $18 {This position is winning for White only with Black to move (see notes to 7.Rc1)} b1=Q 8. e8=Q Qd1+ (8... Rxe8 9. Rxb1 Re1 10. Rb7+) 9. Kh4 1-0

[Event "Chess Artistry Adventure 2024"] [Site ""] [Date "2024"] [Round ""] [White "Michael Pasman"] [Black ""] [Result "1-0"] [Annotator "CH"] [SetUp "1"] [FEN "2k5/8/2PKP3/q3P3/1N6/5r2/1N2Q3/b7 w - - 0 1"] [PlyCount "19"] [EventDate "2024"] 
 1. Qa6+ $1 (1. e7 Qxb4+ $11) (1. Qxf3 Qxb4+) (1. N2d3 Bxe5+ 2. Nxe5 Qxb4+ 3. Kd5 Qa5+ 4. Ke4 Rf6 $11) 1... Qxa6 2. e7 $3 ({Thematic try:} 2. Nxa6 Bxb2 3. e7 Bxe5+ $1 4. Ke6 (4. Kxe5 Re3+ 5. Kf6 Re6+ 6. Kf7 Rxe7+ 7. Kxe7) 4... Rf6+ $1 5. Kxe5 Re6+ (5... Rf5+) 6. Kxe6 {stalemate}) 2... Rf6+ $1 3. exf6 Qe2 4. Nc4 $1 (4. f7 $4 Qh2+) (4. Nd5 Qh2+ {with perpetual check}) 4... Bd4 $1 {preventhing Nb6+ threat} (4... Qh2+ 5. Kc5 $1 Qf2+ 6. Kb5 $1 $18) (4... Bxf6 5. Nb6+ Kb8 6. Nd7+ $1 (6. c7+ Ka7) 6... Ka7 7. Nxf6 {and black can't prevent promotion}) 5. f7 Bc5+ (5... Qh2+ 6. Kd5 Qh5+ 7. Kxd4 Qh4+ 8. Kc5 (8. Kd3 {also wins}) 8... Qxe7+ {is as main}) 6. Kxc5 Qxe7+ 7. Nd6+ (7. Kb5 Qg5+ 8. Ka4 Qf4 9. Nb6+ Kd8 10. c7+ Kxc7 11. N6d5+ Kd6 12. Nxf4 Ke7 $11) 7... Kd8 8. c7+ $1 (8. Nd5 Qa7+ 9. Kb4 (9. Kb5 Qc5+) 9... Qc5+ $11) 8... Qxc7+ (8... Kxc7 9. Nd5+) 9. Nc6+ Kd7 10. f8=N# $1 {Ideal mate with selfblock on knight promotion} 1-0

[Event "Chess Artistry Adventure 2024"] [Site ""] [Date "2024.05.03"] [Round ""] [White "Yehuda Hoch"] [Black "Itay Richardson"] [Result "1-0"] [Annotator "user"] [SetUp "1"] [FEN "6b1/8/8/1N6/K1R2p2/3n2B1/p7/1k6 w - - 0 1"] [PlyCount "43"] [EventDate "2024"] [Source "Analyze This"] 
 1. Na3+ Ka1 $1 (1... Kb2 2. Rc2+ Ka1 3. Bh4 Nb2+ 4. Kb5 $18) 2. Rc1+ $3 (2. Bf2 Bxc4 3. Bd4+ Nb2+ 4. Kb4 (4. Ka5 f3 5. Kb6 f2 6. Bxf2 Na4+ $10) 4... f3 5. Kc3 f2 6. Kc2 Bd3+ 7. Kb3 Bc4+ 8. Nxc4 Kb1 9. Bxb2 a1=N+ $10) (2. Rc8 fxg3 3. Rxg8 Kb2 $10) (2. Rc3 fxg3 3. Rxd3 Kb2 $10) 2... Nxc1 (2... Kb2 3. Rc2+ {wins as before}) 3. Bh4 $1 (3. Bxf4 Nd3 $10) (3. Bf2 {(e1)} Ne2 $10) 3... Nd3 (3... Kb2 $4 4. Bf6#) (3... Bb3+ 4. Kb4 Nd3+ 5. Kxb3 Nc5+ 6. Kc2 Ne4 7. Kc1 $18) 4. Bf6+ Nb2+ 5. Kb5 $1 (5. Kb4 f3 6. Kc3 (6. Bd4 f2) 6... f2 7. Kc2 Bh7+ 8. Kb3 Bg8+ $10) (5. Ka5 f3 6. Bd4 f2 7. Bxf2 Nc4+ $10) 5... f3 {in the following moves other black moves would lead to similar continuations, and other white moves will lengthen the study needlessly.} 6. Bd4 Bd5 7. Ka6 $1 (7. Kc5 {(b4)} f2 8. Bxf2 Nd3+) (7. Kb6 {(a5)} f2 8. Bxf2 Nc4+) 7... Ba8 8. Ka7 Bb7 9. Kb8 (9. Kxb7 f2 $10) 9... Bc8 10. Kc7 Bd7 11. Kd8 (11. Kd6 f2 12. Bxf2 Nc4+) 11... Bh3 12. Ke7 Bc8 13. Kf6 Bh3 14. Kg5 (14. Ke5 f2 15. Bxf2 Nd3+) 14... Bc8 15. Kh4 (15. Kf4 f2 16. Bxf2 Nd3+) 15... Bh3 16. Kg3 Bg4 17. Kf2 Bh5 18. Ke3 {(e1)} Bg4 19. Kd2 f2 20. Bxf2 Nc4+ 21. Kc1 {with mate} Nxa3 22. Bd4# 1-0

[Event "Chess Artistry Adventure 2024"] [Site ""] [Date "2024.06.20"] [Round ""] [White "Yehuda Hoch"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "2n5/6p1/2K3P1/7P/1p6/P1P5/8/1n5k w - - 0 1"] [PlyCount "17"] [EventDate "2024"] [Source "Analyze This"] 
 1. cxb4 $1 (1. axb4 {[%emt 0:00:01] thematic try no.} Ne7+ 2. Kd7 {other mooves change nothing} Nxg6 (2... Nf5 3. c4) 3. hxg6 Nxc3 {and now;} 4. Ke7 (4. Ke8 Nd5 5. b5 Nc7+ 6. Kf7 Nxb5 7. Kxg7 Nd6 $10) (4. Ke6 Na2 5. b5 Nc3 6. b6 Na4 7. b7 (7. Kf7 Nxb6 8. Kxg7 Nd7 $10) 7... Nc5+ 8. Kf7 Nxb7 9. Kxg7 Nd6 $10) (4. Kd6 {(d8)} Kh2 {changes nothing}) 4... Nd5+ 5. Kf7 Nxb4 6. Kxg7 Nd5 7. Kf7 (7. Kf8 Nf4 8. g7 Ne6+) 7... Ne3 8. Kf6 Nd5+ 9. Kf7 Ne3 10. g7 Nf5 11. g8=Q Nh6+ $10) 1... Ne7+ 2. Kd6 $3 (2. Kd7 {[%emt 0:00:02] thematic try no.} Nxg6 (2... Nf5 3. a4) 3. hxg6 Nxa3 {and now:} 4. Ke7 {(d6,d8)} (4. Ke8 Nc2 5. b5 (5. Kf7 Nxb4 {[%emt 0:00:01] drows as in try}) 5... Na3 6. b6 Nc4 7. b7 Nd6+ 8. Kf8 Nxb7 9. Kxg7 Nd6 $10) (4. Ke6 Nc2 5. b5 Nd4+ $10) 4... Nc2 5. b5 Na3 6. b6 Nc4 7. b7 Na5 8. b8=Q Nc6+ 9. Kf7 Nxb8 10. Kxg7 Nd7 $10) 2... Nxg6 (2... Nf5+ 3. Ke5 Nh6 {(h4)} 4. a4) 3. hxg6 Nxa3 4. Kd7 $3 {mutual zugzwang} Kh2 (4... Kg2 { (g1) MAIN} 5. Ke7 {(e6,e8)} Nc2 6. Kf7 {(f8)} Nxb4 7. Kxg7 Nd5 8. Kf7 Ne3 9. g7 Nf5 10. g8=Q+ $18) 5. Ke7 Nc2 6. b5 Na3 7. b6 Nc4 8. b7 Na5 9. b8=Q+ $18 1-0

[Event "Stalemate avoiding just in time"] [Site ""] [Date "2024.06.24"] [Round ""] [White "Rainer Staudte, Michael Schlosser"] [Black "Win"] [Result "1-0"] [SetUp "1"] [FEN "K7/8/8/1P4P1/5p2/8/8/7k w - - 0 1"] [PlyCount "23"] [EventDate "2024"] 
 1. b6 $1 ({Try:} 1. g6 $2 f3 $1 2. g7 f2 $1 3. g8=Q f1=Q $1 $11 {The Black King is on his best corner, see Mark Dvoretsky: Endgame Manual (2nd ed.), Russel Enterprises Inc. Milford, CT USA, p. 251. Dealing with a knight or rook pawn, the defender's king is best placed near the corner that is diametrically opposite to the pawn promotion square. In this case, when the stronger side defends his king from checks with a queen interference, a counter-check is less probable.}) 1... f3 2. b7 f2 3. b8=Q f1=Q {The Black King is far away from his best corner a1. Black has to look for other saving methods.} 4. Qh8+ $1 ({Try:} 4. Qb7+ $2 Kh2 (4... Kg1 5. g6 Qf8+ $1 6. Ka7 Qa3+ $1 7. Qa6 Qe7+ $1 ) 5. g6 Qa1+ $1 6. Kb8 Qh8+ $1 7. Qc8 Qb2+ $1 8. Qb7 (8. Kc7 Qc2+ 9. Kd7 Qxg6 $11) 8... Qh8+ $1) 4... Kg2 {approaching to the Pawn} (4... Kg1 5. Qf6 Qg2+ { sets a trap} 6. Ka7 $1 $18 {avoids the trap. Black cannot pin the Pawn now. Theoretical win.} (6. Kb8 $2 {enables Black to pin the Pawn} Qg3+ {or Qh2+} 7. Kc8 (7. Kb7 Qh4 $1 8. Qf5 Qh5 $1 9. Kc6 Kh2 $1 (9... Kg2 $2 10. Qe4+ $1) 10. Qf4+ Kh3 $1 11. Kd5) (7. Ka8 Qh4 $1) 7... Qh4 $1 8. Qf5 (8. Kd8 Kg2 $1) (8. Kd7 Kg2 $1 {hunting the Pawn} 9. Qc6+ Kg3 $1 10. Qd6+ Kg4 $1 $11) 8... Qh5 $1 9. Qf6 Qh4 $1 $11)) 5. Qf6 {guards all checking squares for a moment} Qb5 { Other moves are not better because Black's King is on a bad corner. Any check would drive White's King to his Pawn with a theoretical win.} 6. g6 {Black looks for other ways to save the game and plays for stalemate.} Kh3 {or Kg3} 7. g7 Qe8+ 8. Kb7 $1 (8. Ka7 $2 Kg4 $1 9. Qd4+ Kh5 $1 10. Qd5+ Kh6 $1 11. g8=R Qf7+ $1 12. Qxf7 {stalemate}) 8... Kg4 9. Qd4+ Kh5 10. Qd5+ Kh6 11. g8=R $1 ( 11. g8=Q $2 {e. g.} Qe7+ {perpetual check or stalemate}) 11... Qf7+ 12. Kc6 $1 {Guards the Queen just in time.} (12. Qxf7 $2 {stalemate}) 1-0

[Event "King's crossing the 4th line"] [Site ""] [Date "2024.07.17"] [Round ""] [White "Rainer Staudte, Michael Schlosser"] [Black "Draw"] [Result "1/2-1/2"] [SetUp "1"] [FEN "4k3/8/4K3/8/2r1p1B1/8/8/8 w - - 0 1"] [EventDate "2024"] 
 {King's crossing the 4th rank and a Bishop's pendulum. As long as the Black King is on a White square, the Bishop can check to gain a tempo. This is the precondition for the decisive manoeuvre of the White King to get in front of the Pawn.} 1. Kd5 {approaches to the Pawn as soon as possible and the begin of the following tempo winnig series} Ra4 (1... Rb4 2. Kc5 $1 Ra4 3. Bd1 Ra1 4. Bh5+ Ke7 5. Kd4 {see main line}) 2. Bd1 $1 Rb4 3. Kc5 Rb1 4. Bh5+ Ke7 5. Kd4 { reaches the King's strategic goal} Rb4+ (5... Re1 6. Bg6 $1 $11) 6. Ke3 Kf6 ( 6... Ke6 {or Kd6} 7. Kf4 $1 Kd5 8. Bg6 $1 $11) 7. Kf4 $1 Rb5 8. Bd1 $1 (8. Be2 $2 {loses} Re5 $1 9. Bd1 (9. Ke3 Kf5 $1 {too late to build a fortress}) 9... e3 $1 {and the Black King penetrates on the Queen's wing}) 8... Re5 9. Ke3 $1 Kf5 10. Bc2 $1 {A fortress has been built. Now the Bishop switches between b1 and c2, e. g.} Re6 11. Bb1 Re7 12. Bc2 Re5 13. Bb1 Re8 14. Bc2 Re7 15. Bb1 Re6 16. Bc2 Re8 17. Bb1 Re5 18. Bc2 1/2-1/2

[Event "Chess Artistry Adventure"] [Site ""] [Date "2024"] [Round ""] [White "Vladislav Tarasiuk (Ukraine)"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "k7/8/8/K4p2/6pb/8/1R6/n7 w - - 0 1"] [PlyCount "25"] [EventDate "2024"] 
 1. Kb6 $1 (1. Kb5 $2 f4 $1 (1... Bf6 $2 2. Ra2+ Kb7 3. Kc4 f4 4. Rg2 $1 g3 5. Kd3 Nb3 6. Ke4 Bg5 7. Rb2 $11) 2. Kc6 f3 3. Kc7 Bg3+ 4. Kc8 Ka7 $19) 1... Bf6 2. Re2 $1 (2. Rb5 $2 Bd8+ 3. Kc6 Nc2 4. Rxf5 Nd4+ $19) 2... Bd4+ $1 3. Kc7 Nb3 4. Ra2+ Ba7 5. Re2 $1 (5. Rh2 $2 Bb8+ $19) 5... Bb8+ (5... Bd4 6. Ra2+ Ba7 7. Re2 $11 {positional draw}) 6. Kb6 Nc1 7. Re1 $1 (7. Rc2 $2 Ba7+ $19) 7... Bf4 ( 7... Nb3 8. Re2 Nc1 9. Re1 {positional draw}) 8. Re8+ Bb8 9. Re1 $1 (9. Rf8 $2 f4 10. Rf5 Nb3 $19) 9... Na2 $1 (9... Bf4 10. Re8+ Bb8 11. Re1 {positional draw }) 10. Rd1 $1 (10. Ra1 $2 Ba7+ $1 11. Kc7 Nb4 {(c3)-+}) 10... g3 11. Rd5 $1 ( 11. Rd3 $2 Nc3 $1 12. Rxc3 Ba7+ 13. Kc7 g2 $19) 11... Bf4 $1 12. Rd8+ $1 (12. Ra5+ $2 Kb8 13. Rxa2 Be3+ $1 14. Kc6 f4 15. Rb2+ Kc8 16. Ra2 Kd8 17. Kd6 Ke8 18. Ke6 Kf8 19. Kf6 Bd4+ $1 $19) 12... Bb8 13. Rd5 {positional draw.} 1/2-1/2