www.arves.org - Shakmatnaya Kompositzia 2019

3 awarded studies of the Shakmatnaya Kompositzia 2019 tournament available.

[Event"1st/2nd prize Shakhmatnaya Kompozicia 2019"] [White "Rusz, Árpád"] [Black ""] [Site ""] [Round ""] [Annotator ""] [Result "1/2-1/2"] [Date ""] [PlyCount "21"] [Setup "1"] [FEN "k1Kn1N2/b5P1/4p2Q/1P6/3q2r1/6p1/6Nn/7B w - - 0 1"] 
 1. Nxe6 {Threatening with checkmate on c7.} ({Thematic try:} 1. Nf4+ g2 2. Bxg2+ Rxg2 3. N8xe6 (3. Nxg2 Nf7 4. Nxe6 Qc4+ 5. Nc7+ Qxc7+ 6. Kxc7 Nxh6 )Nxe6 4. Nxe6 Qg4 {Black pins the knight. The g4 square was empty because the rook managed to move away.} )Nxe6 2. Nf4+ g2 3. Nxe6 { White again is threatening to give checkmate on c7. The knight cannot be pinned by Qg4.} ({Letting the rook to move away from g4 is again a mistake:} 3. Bxg2+ Rxg2 4. Nxe6 Qg4 )Qc4+ (3... gxh1=Q 4. Nc7# )4. Nc7+ Qxc7+ 5. Kxc7 Rxg7+ (5... Bb8+ 6. Kd8 {The white king leaves the c8 square empty.} gxh1=Q 7. Qa6+ Ba7 8. Qc8+ Bb8 9. Qa6+ {perpetual check} )6. Qxg7 Bb8+ 7. Kc6 {Triangulation. White lets black to promote the pawn with check.} ({Thematic try:} 7. Kb6 gxh1=Q {mutual zugzwang} )gxh1=Q+ 8. Kb6 {mutual zugzwang - Focal Theme. The black queen has to keep an eye on both b7 and a1.} Qg1+ ({Moving the knight is a wrong idea because it will interfere the black queen.} 8... Nf1 9. Qa1+ Ba7+ 10. Qxa7# )(8... Nf3 9. Qb7# )9. Qxg1 Ba7+ 10. Kc7 Bxg1 11. b6 {The knight is again in a wrong place blocking the h2 square for the bishop.} 1/2-1/2

[Event "3rd prize Shakhmatnaya Kompositzia 2019"] [Site ""] [Date ""] [Round ""] [White "Steffen Nielsen"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "1r6/5p2/8/8/3R3K/7N/4p3/5N1k w - - 0 1"] [PlyCount "19"] [EventDate "2019"] 
 {The material of RNN vs R is winning, so White just has to consolidate, while Black has to exchange the rooks or win one of the knights} 1. Ng3+ Kh2 $1 (1... Kg2 2. Nf4+ $1 $18) 2. Re4 $1 (2. Nxe2 $2 Rh8+ 3. Kg4 Rxh3 $11) (2. Ng5 $2 f6 $1 {A weird move forcing the knight to the square it wants to go to anyway.} (2... e1=Q 3. Nf3+ $18) (2... f5 3. Nf3+ Kg2 4. Ne1+ Kf2 5. Nd3+ Kf3 6. Nxf5) 3. Nf3+ Kg2 4. Ne1+ Kf2 5. Nd3+ Kf3 6. Ne1+ (6. Nf5 $2 Rh8+ $19 {The point of 2...f6}) 6... Kf2 7. Nc2 Rh8+ 8. Nh5 e1=Q 9. Rf4+ Ke2+ 10. Nxe1 Kxe1 $11) (2. Rd2 $2 Rb4+ $11) 2... e1=Q $1 ({The alternative fails to mate:} 2... Rb4 3. Rxb4 e1=Q 4. Rb2+ $18) (2... f5 $4 3. Rxe2#) 3. Rxe1 Rb4+ 4. Ne4 $1 {Walking into the pin.} ({After} 4. Re4 $2 {White is not even close to achieving a Troitzky blockade:} Rxe4+ 5. Nxe4 f5 $1 6. Nd2 f4 $11) 4... f5 5. Re2+ Kh1 6. Nhf2+ Kg1 (6... Kg2 7. Nd3+ Kf3 8. Rf2+ $18) 7. Kh3 $1 {The square g3 is needed for the knight.} fxe4 {How can White spin a mating net?} 8. Nh1 $3 {the point} ({logical try} 8. Nxe4 $2 Rb3+ 9. Ng3 Rb2 $1 10. Rxb2 {stalemate. The pawn on e4 has left the board.}) 8... Rb3+ (8... Kxh1 9. Re1#) (8... Kf1 9. Ng3+ $18) (8... Rb1 9. Ng3 $18) 9. Ng3 Rb2 10. Rxb2 $18 {no stalemate} 1-0