"Tactics in the Queen's Gambit" by wtharvey.com

Here are some chess puzzles from the games of Tatiana Kosintseva. The color disk on the diagram indicates who moves first.

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

a)
White mates in 6.
Tatiana Kosintseva vs Svetlana Gorshenina, Kolontaevo, 1997
2r3r1/1b4k1/pn1p1pp1/1q1P4/1p1QPP2/1B4N1/PPP5/1K1R3R w - - 0 1
[ Nf5+ gxf5 Rdg1+ Kf7 Rh7+ ]

b)
Tatiana Kosintseva vs Ekaterina Adamova, Rybinsk, 1999
r1bq1rk1/pp1nppbp/3p2p1/3Pn3/2P5/1PN1B3/P3BPPP/2RQK1NR w - - 0 1
[ f4 if Bh6 Bd2 ]

c)
Tatiana Kosintseva vs Elmira Mirzoeva, Ufa, 2000
2r3k1/1p1r1pp1/p2b1qp1/3p2N1/3N1PnP/2P1R1P1/PP2R1K1/1Q6 w - - 0 1
[ Re8+ Rxe8 Rxe8+ Bf8 Rxf8+ Kxf8 Nh7+ ]

d)
White mates in 6.
Tatiana Kosintseva vs M Velcheva, Warsaw, 2001
r6k/3R3p/5ppP/1Q2p3/2P1q3/8/5PP1/6K1 w - - 0 1
[ Qa6 if Rf8 Qxf6+ ]

e)
P Govciyan vs Tatiana Kosintseva, Halkidiki, 2001
2k4r/1p3b2/2p2bp1/5p2/qP1P1P2/p1P5/P3BQ2/1KN3R1 b - - 0 1
[ ...Bxa2+ ]

1c)
Tatiana Kosintseva vs Elmira Mirzoeva

Tatiana Kosintseva puzzles, pt. ii.
The color disk on the diagram indicates who moves first.
a)
Tatiana Kosintseva vs Marat Sultangareev, Vladimir, 2002
3Q4/1b3ppk/p6p/4R3/2r5/P4P1P/1rq2BP1/4R1K1 w - - 0 1
[ R5e2 if Qb3 Rxb2 Qxb2 Qd3+ ]

b)
Tatiana Kosintseva vs Alexander Utnasunov, Vladimir, 2002
5q2/p2kp2p/1p4pP/3p2N1/4N3/P1R5/1P6/K7 w - - 0 1
[ Rc7+ ]

c)
Tatiana Kosintseva vs A Galliamova, Istanbul, 2003
4rr1k/1p1q1p1p/p2p1bp1/P1pPpPBn/2N1P3/2P2Q2/1P3P1P/R3R1K1 w - - 0 1
[ Qxh5 if gxh5 Bxf6+ Kg8 Kh1 mates ]

d)
Tatiana Kosintseva vs J Dworakowska, Istanbul, 2003
r1b2rk1/1p2Rp1p/p2n2p1/3P2Bq/2R5/5P2/P2Q1P1P/5BK1 w - - 0 1
[ Rh4 Qxf3 Re3 Qf5 Be7 ]

e)
Huang Qian vs Tatiana Kosintseva, Elista FIDE WCC, 2004
1nrq1rk1/p4pp1/bp2pn1p/8/Q1BP3B/P7/1P2NPPP/2R2RK1 b - - 0 1
[ ...Rxc4 Rxc4 b5 ]

2d)
Tatiana Kosintseva vs J Dworakowska

Tatiana Kosintseva puzzles, pt. iii.
The color disk on the diagram indicates who moves first.
a)
Tatiana Kosintseva vs E Repkova, Biel, 2004
5R2/1p1k2p1/4p3/P3P3/1BB1b3/3n4/1P4r1/3K4 w - - 0 1
[ Bb5+ if Kc7 Bd6# or if Bc6 Bxd3 ]

b)
White mates in 2.
Tatiana Kosintseva vs Alexandra Kosteniuk, Gaziantep, 2012
2r3k1/1b2b1Pp/p5pQ/1pq1BNn1/8/8/PPP2p1R/1K1R4 w - - 1 0
[ Qxh7+ ]

c)
Black mates in 3.
Evgenija Ovod vs Tatiana Kosintseva, Moscow, 2012
5rk1/p5pp/4p1n1/8/nN6/P1P5/1r1B2qP/R1QKR3 b - - 0 1
[ ...Qg4+ Re2 Rf1+ Be1 Qxe2# ]

d)
Black mates in 4.
Ekaterina Ubiennykh vs Tatiana Kosintseva, Moscow, 2012
8/Q4ppk/1p2p3/4P3/2P1q3/5n2/P4P2/5K2 b - - 0 1
[ ...Nd2+ Kg1 Qg4+ ]

e)
Elina Danielian vs Tatiana Kosintseva, Istanbul, 2012
8/kp6/p7/6R1/8/6PK/4Q1P1/1r4q1 b - - 0 1
[ ...Rb4 if g4 Rb3+ ]

3c)
mate in 3
Evgenija Ovod vs Tatiana Kosintseva

Tatiana Kosintseva puzzles, pt. iv.
The color disk on the diagram indicates who moves first.
a)
Black mates in 3.
Monika Socko vs Tatiana Kosintseva, Ankara, 2012
5Q2/7p/p5q1/1p2pp1k/1P1b1p2/5PPP/P2r4/3NR2K b - - 0 1
[ ...Rh2+ Kxh2 Qxg3+ ]

b)
Tatiana Kosintseva vs Deimante Daulyte, Belgrade, 2013
1k1r3r/1p5p/qP1p1p2/3NbR2/B2n4/8/P5PP/1RQ4K w - - 1 0
[ Qc7+ Ka8 Qxd8+ Rxd8 Nc7+ ]

c)
Tatiana Kosintseva vs Anna Ushenina, Beijing, 2013
r3k3/1p3p2/p1q2n2/2bp1PB1/3Qp3/2N4P/PPP5/2K3R1 w q - 1 0
[ Qe5+ Kd7 Rd1 if Be7 Nxd5 or if d4 Qxf6 ]

d)
Dronavalli Harika vs Tatiana Kosintseva, Dilijan, 2013
4r1k1/1b3p1p/pn4p1/1p1Nq3/1P1rP3/6P1/1Q2RPBP/4R1K1 b - - 0 1
[ ...Rxd5 if exd5 Qxb2 ]

e)
2r1r1k1/pb4pp/1p2p3/3nPp2/1P1Qn2q/P6P/4NPP1/RBB1R1K1 b - - 0 1
[ ...Rc4 Qxc4 Qxf2+ Kh2 Nd2 if Bxd2 Ne3 ]

4e)

Tatiana Kosintseva puzzles, pt. v
The color disk on the diagram indicates who moves first.
a)
Ekaterina Kovalevskaya vs Tatiana Kosintseva, Belgrade, 2013
1r5k/2Rb1rp1/8/p2Pp2q/P2pP3/1P1Q2Rp/5P1N/7K w - - 1 0
[ Rxd7 if Rxd7 Rxh3 ]

b)
White mates in 5.
Tatiana Kosintseva vs Kateryna Lahno, Khanty Mansyisk, 2014
2rq1r2/7k/p2ppPp1/4p2p/1p2P2P/5Q2/PPP2P2/1K1R2R1 w - - 1 0
[ Rxg6 Kxg6 Rg1+ if Kh6 Qe3+ or if Kf7 Rg7+ ]

c)
White mates in 3.
Tatiana Kosintseva vs Irina Krush, Khanty Mansyisk, 2014
rn4rk/p1pqnpp1/1p2pB1p/3pP2P/3P1Q2/P1Pb1N2/2P2PP1/R3K2R w KQ - 1 0
[ Qxh6+ Bh7 Ng5 ]

d)
Black mates in 4.
Lela Javakhishvili vs Tatiana Kosintseva, Plovdiv, 2014
8/5p1k/R5pp/2B1b1n1/1P4P1/8/1r4B1/4rRK1 b - - 0 1
[ ...Nf3+ if Bxf3 Bh2+ or if Kh1 Rxf1+ ]

5a)
Ekaterina Kovalevskaya vs Tatiana Kosintseva

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