Here are some chess puzzles from the games of Yangyi Yu.
White to move and win except where noted.

Solutions are between the brackets under each puzzle.
Drag your cursor from one bracket to the other.


a)
Black to move and win. Haik Tamazian vs Yu, Halkidiki, 2003
r3r1k1/p3bbp1/1p3p2/3n1P1P/2pPNq1P/8/PP2QBB1/3R1R1K b - - 0 1
[ ...Bd6 if Bg3 Rxe4 ]

b)
Yu vs Robert Aghasaryan, Heraklio, 2004
r1b2r1k/1p3ppp/p2Np3/2q1PnB1/8/1PP3Q1/1P4PP/R4R1K w - - 0 1
[ Rxf5 if exf5 Bf6 mates ]

c)
Yu vs Simon Hanninger, Taby, 2007
1rb2rk1/2q2pbp/pp1p2p1/8/P2B2n1/2N1Q3/1PP1BPPP/3R1RK1 w - - 0 1
[ Bxg4 Bxg4 Bxg7 if Kxg7 Qd4+ ]

d)
Yu vs Xiu Deshun, Beijing, 2009
5r1k/1pq1nr1p/p7/4ppB1/7Q/1PP4P/P4PR1/6RK w - - 0 1
[ Bh6 if Re8 Bg7+ mates ]



Yu's Puzzles, Part II. White to move and win except where noted.
a)
Yu vs Wan Yunguo, Beijing, 2010
1r6/1P3pk1/2R3p1/3qp2p/7P/6P1/2Q2P2/6K1 w - - 0 1
[ Rxg6+ if fxg6 Qc7+ ]

b)
Yu vs Zeng Chongsheng, Guanzhou, 2010
r2qk2r/1b1nbppp/pn1p4/1p2pPP1/3NP3/2N1B3/PPP3BP/R2Q1R1K w kq - 0 1
[ Ne6 fxe6 Qh5+ g6 fxg6 Nc5 g7+ ]

c)
Yu vs Zhou Jianchao, Hefei, 2010
4r1k1/1pp2pp1/6np/p1qP1N2/2P1r3/1P4PP/P2Q1R1K/5R2 w - - 0 1
[ Nxg7 if Kxg7 Rxf7+ Kg8 Qxh6 mates ]

d)
Black to move and win. Andrei Volokitin vs Yu, Moscow, 2011
k7/1p3p2/p7/4QPPp/8/P3K3/1Pr1R2P/1q6 b - - 0 1
[ ...Qg1+ ]

Yu's Puzzles, Part III. The color disk on the diagram indicates who moves first.
a)
White mates in 3.
Yangyi Yu vs Throstur Thorhallsson, Reykjavik, 2/16/2013
8/2Q4p/4q1k1/1p1b2p1/1P2p1NP/2P3K1/5PP1/8 w - - 1 0
[ h5+ ]

b)
Yangyi Yu vs Saleh Salem, Kocaeli, 9/16/2013
1rk1n3/1p1nr2p/1pp3p1/PP6/2P5/2N1NpPB/5K1P/3R4 w - - 1 0
[ Nd5 cxd5 Nxd5 Rg7 Nxb6+ Kc7 Nxd7 Ra8 b6+ Kc6 Rd5 ]

c)
Black mates in 4.
Jon Hardarson vs Yangyi Yu, Reykjavik, 2/16/2013
r7/4Qpk1/6qp/4P3/1r6/1b6/1PPR2PP/1K2R3 b - - 0 1
[ ...Ra1+ Kxa1 Qa6+ Kb1 Qa2+ ]

d)
Alexander Beliavsky vs Yangyi Yu, Tromsoe, 8/13/2013
r4rk1/ppq1nppp/4b3/1Bp5/2P1P3/P4P2/1B2QP1P/3RK2R b K - 0 1
[ ...a6 Ba4 Qa5+ ]


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