MESON Chess Problem Database
Problem Display
PID: 249008 (1r3N1n/p1r5/3BB3/3p4/1pNk1pp1/1Q1P3b/1pP5/1Kb1R3 w - - 0 1)
Keller, Michael
The Problemist, 1990
#3
9 + 12
SOLUTION
- SOUND
- Sets
- 1...Rc5
- 2.Be5#
- 1...Rd7
- 2.Sxd7
- threat
- 3.Bc5#
- 3.Be5#
- threat
- 2.Sxd7
- 1...Be3
- 2.Qxb2#
- 1...dxc4
- 2.Re4#
- 1...Rc5
- Tries
- 1.Sd2?
- threat
- 2.Qxd5+
- 2...Kc3
- 3.Se4#
- 2...Kc3
- 2.c3+
- 2...Kxd3
- 3.Qc2#
- 2...Rxc3
- 3.Qxd5#
- 2...bxc3
- 3.Qxd5#
- 2...Kxd3
- 2.Qxd5+
- 1...Rxc2
- 2.Qxc2
- threat
- 3.Sb3#
- 3.Bc5#
- 3.Be5#
- threat
- 2.Qxd5+
- 2...Kc3
- 3.Se4#
- 2...Kc3
- 2.Qxc2
- 1...Bxd2
- 2.Qxd5+
- 2...Kc3
- 3.Be5#
- 3.Qe5#
- 2...Kc3
- 2.c3+
- 2...Kxd3
- 3.Bf5#
- 2...Rxc3
- 3.Qxd5#
- 2...Bxc3
- 3.Qxd5#
- 2...bxc3
- 3.Qxd5#
- 2...Kxd3
- 2.Qxd5+
- 1...Rc4
- 2.Bc8
- threat
- 3.Se6#
- 2...g3
- 3.Sf3#
- threat
- 2.Bc8
- 1...Rc6
- 2.Qxd5+
- 2...Kc3
- 3.Se4#
- 2...Kc3
- 2.c3+
- 2...Kxd3
- 3.Qc2#
- 2...Rxc3
- 3.Qxd5#
- 2...bxc3
- 3.Qxd5#
- 2...Kxd3
- 2.Qxd5+
- 1...Rcb7
- 2.Bxd5
- threat
- 3.Se6#
- 3.Re4#
- 3.Qc4#
- threat
- 2.Qxd5+
- 2...Kc3
- 3.Se4#
- 2...Kc3
- 2.c3+
- 2...Kxd3
- 3.Qc2#
- 2...bxc3
- 3.Qxd5#
- 2...Kxd3
- 2.Bxd5
- 1...Rd7
- 2.Sxd7
- threat
- 3.Bc5#
- 3.Be5#
- threat
- 2.Bxd5
- threat
- 3.Se6#
- 3.Re4#
- 3.Qc4#
- threat
- 2.Bxd7
- threat
- 3.Se6#
- 2...Rxf8
- 3.Qxb4#
- 2...Re8
- 3.Qxb4#
- 2...g3
- 3.Sf3#
- threat
- 2.Qxd5+
- 2...Kc3
- 3.Se4#
- 2...Kc3
- 2.c3+
- 2...Kxd3
- 3.Qc2#
- 2...bxc3
- 3.Qxd5#
- 2...Kxd3
- 2.Sxd7
- 1...Re7
- 2.Bxb4
- threat
- 3.Qxd5#
- 3.Qc3#
- 2...Rxb4
- 3.Qxb4#
- threat
- 2.Qxd5+
- 2...Kc3
- 3.Se4#
- 2...Kc3
- 2.c3+
- 2...Kxd3
- 3.Qc2#
- 2...bxc3
- 3.Qxd5#
- 2...Kxd3
- 2.Bxb4
- 1...Rf7
- 2.Bxb4
- threat
- 3.Qxd5#
- 3.Qc3#
- 2...Rxb4
- 3.Qxb4#
- threat
- 2.Bxd5
- threat
- 3.Se6#
- 3.Re4#
- 3.Qc4#
- threat
- 2.Bxf7
- threat
- 3.Se6#
- 2...Rxf8
- 3.Qxb4#
- 2...Re8
- 3.Qxb4#
- 2...g3
- 3.Sf3#
- threat
- 2.Qxd5+
- 2...Kc3
- 3.Se4#
- 2...Kc3
- 2.c3+
- 2...Kxd3
- 3.Qc2#
- 2...bxc3
- 3.Qxd5#
- 2...Kxd3
- 2.Bxb4
- 1...Rg7
- 2.Bxb4
- threat
- 3.Qxd5#
- 3.Qc3#
- 2...Rxb4
- 3.Qxb4#
- threat
- 2.Bxd5
- threat
- 3.Se6#
- 3.Re4#
- 3.Qc4#
- threat
- 2.Qxd5+
- 2...Kc3
- 3.Se4#
- 2...Kc3
- 2.c3+
- 2...Kxd3
- 3.Qc2#
- 2...bxc3
- 3.Qxd5#
- 2...Kxd3
- 2.Bxb4
- 1...Rh7
- 2.Bxb4
- threat
- 3.Qxd5#
- 3.Qc3#
- 2...Rxb4
- 3.Qxb4#
- threat
- 2.Bxd5
- threat
- 3.Se6#
- 3.Re4#
- 3.Qc4#
- threat
- 2.Qxd5+
- 2...Kc3
- 3.Se4#
- 2...Kc3
- 2.c3+
- 2...Kxd3
- 3.Qc2#
- 2...bxc3
- 3.Qxd5#
- 2...Kxd3
- 2.Bxb4
- 1...Rcc8
- 2.Bxd5
- threat
- 3.Se6#
- 3.Re4#
- 2...Rc4
- 3.Qxc4#
- 2...Re8
- 3.Qc4#
- threat
- 2.Bxc8
- threat
- 3.Se6#
- 2...g3
- 3.Sf3#
- threat
- 2.Qxd5+
- 2...Kc3
- 3.Se4#
- 2...Kc3
- 2.c3+
- 2...Kxd3
- 3.Qc2#
- 2...Rxc3
- 3.Qxd5#
- 2...bxc3
- 3.Qxd5#
- 2...Kxd3
- 2.Bxd5
- 1...Rb5
- 2.Bxd5
- threat
- 3.Se6#
- 3.Re4#
- 2...Rc4
- 3.Qxc4#
- 2...Re7
- 3.Qc4#
- threat
- 2.Bd7
- threat
- 3.Se6#
- 2...g3
- 3.Sf3#
- threat
- 2.Bxd5
- 1...Bg2!
- threat
- 1.Sa3?
- threat
- 2.Bxd5
- threat
- 3.Se6#
- 3.Re4#
- 2...Rc4
- 3.Qxc4#
- 2...Re7
- 3.Qc4#
- 2...Re8
- 3.Sb5#
- threat
- 2.c3+
- 2...Kxd3
- 3.Qc2#
- 2...Rxc3
- 3.Qxd5#
- 2...bxc3
- 3.Qxd5#
- 2...Kxd3
- 2.Bxd5
- 1...Rc4
- 2.Bf5
- threat
- 3.Se6#
- 2...Rxf8
- 3.Sb5#
- 2...Re8
- 3.Sb5#
- threat
- 2.Bf5
- 1...Rc6
- 2.Be5+
- 2...Kc5
- 3.Sd7#
- 2...Kc5
- 2.Bxd5
- threat
- 3.Se6#
- 3.Re4#
- 2...Rxd6
- 3.Qc4#
- 2...Rc4
- 3.Qxc4#
- 2...Re8
- 3.Sb5#
- threat
- 2.c3+
- 2...Kxd3
- 3.Qc2#
- 2...Rxc3
- 3.Qxd5#
- 2...bxc3
- 3.Qxd5#
- 2...Kxd3
- 2.Be5+
- 1...Rcb7
- 2.Bxd5
- threat
- 3.Se6#
- 3.Re4#
- 3.Qc4#
- threat
- 2.c3+
- 2...Kxd3
- 3.Qc2#
- 2...bxc3
- 3.Qxd5#
- 2...Kxd3
- 2.Bxd5
- 1...Rd7
- 2.Sxd7
- threat
- 3.Bc5#
- 3.Be5#
- threat
- 2.Bxd5
- threat
- 3.Se6#
- 3.Re4#
- 3.Qc4#
- threat
- 2.c3+
- 2...Kxd3
- 3.Qc2#
- 2...bxc3
- 3.Qxd5#
- 2...Kxd3
- 2.Sxd7
- 1...Re7
- 2.Bxb4
- threat
- 3.Qxd5#
- 3.Qc3#
- 2...Rxb4
- 3.Qxb4#
- threat
- 2.c3+
- 2...Kxd3
- 3.Qc2#
- 2...bxc3
- 3.Qxd5#
- 2...Kxd3
- 2.Bxb4
- 1...Rf7
- 2.Bxb4
- threat
- 3.Qxd5#
- 3.Qc3#
- 2...Rxb4
- 3.Qxb4#
- threat
- 2.Bxd5
- threat
- 3.Se6#
- 3.Re4#
- 3.Qc4#
- threat
- 2.c3+
- 2...Kxd3
- 3.Qc2#
- 2...bxc3
- 3.Qxd5#
- 2...Kxd3
- 2.Bxb4
- 1...Rg7
- 2.Bxb4
- threat
- 3.Qxd5#
- 3.Qc3#
- 2...Rxb4
- 3.Qxb4#
- threat
- 2.Bxd5
- threat
- 3.Se6#
- 3.Re4#
- 3.Qc4#
- threat
- 2.c3+
- 2...Kxd3
- 3.Qc2#
- 2...bxc3
- 3.Qxd5#
- 2...Kxd3
- 2.Bxb4
- 1...Rh7
- 2.Bxb4
- threat
- 3.Qxd5#
- 3.Qc3#
- 2...Rxb4
- 3.Qxb4#
- threat
- 2.Bxd5
- threat
- 3.Se6#
- 3.Re4#
- 3.Qc4#
- threat
- 2.c3+
- 2...Kxd3
- 3.Qc2#
- 2...bxc3
- 3.Qxd5#
- 2...Kxd3
- 2.Bxb4
- 1...Rcc8
- 2.Bxd5
- threat
- 3.Se6#
- 3.Re4#
- 2...Rc4
- 3.Qxc4#
- 2...Re8
- 3.Qc4#
- threat
- 2.c3+
- 2...Kxd3
- 3.Qc2#
- 2...Rxc3
- 3.Qxd5#
- 2...bxc3
- 3.Qxd5#
- 2...Kxd3
- 2.Bxd5
- 1...Rb6
- 2.Be5+
- 2...Kc5
- 3.Qxd5#
- 2...Kc5
- 2.c3+
- 2...Kxd3
- 3.Qc2#
- 2...Rxc3
- 3.Qxd5#
- 2...bxc3
- 3.Qxd5#
- 2...Kxd3
- 2.Be5+
- 1...Rbb7
- 2.Bxd5
- threat
- 3.Se6#
- 3.Re4#
- 2...Rc4
- 3.Qxc4#
- 2...Re7
- 3.Qc4#
- threat
- 2.c3+
- 2...Kxd3
- 3.Qc2#
- 2...Rxc3
- 3.Qxd5#
- 2...bxc3
- 3.Qxd5#
- 2...Kxd3
- 2.Bxd5
- 1...Bd2
- 2.Qxd5+
- 2...Kc3
- 3.Be5#
- 3.Qe5#
- 2...Kc3
- 2.c3+
- 2...Kxd3
- 3.Bf5#
- 3.Qc2#
- 2...Rxc3
- 3.Qxd5#
- 2...Bxc3
- 3.Qxd5#
- 2...bxc3
- 3.Qxd5#
- 2...Kxd3
- 2.Qxd5+
- 1...Be3
- 2.Bf5
- threat
- 3.Se6#
- 2...Rxf8
- 3.Sb5#
- 2...Re7
- 3.Qxb2#
- 2...Re8
- 3.Sb5#
- threat
- 2.c3+
- 2...Kxd3
- 3.Qc2#
- 2...Rxc3
- 3.Qxd5#
- 2...bxc3
- 3.Qxd5#
- 2...Kxd3
- 2.Bf5
- 1...Bf1
- 2.c3+
- 2...Kxd3
- 3.Qc2#
- 2...Rxc3
- 3.Qxd5#
- 2...bxc3
- 3.Qxd5#
- 2...Kxd3
- 2.c3+
- 1...Bg2
- 2.Bd7
- threat
- 3.Se6#
- 2...Rxf8
- 3.Sb5#
- 2...Re8
- 3.Sb5#
- threat
- 2.Bd7
- 1...Sf7
- 2.c3+
- 2...Kxd3
- 3.Qc2#
- 2...Rxc3
- 3.Qxd5#
- 2...bxc3
- 3.Qxd5#
- 2...Kxd3
- 2.c3+
- 1...g3
- 2.c3+
- 2...Kxd3
- 3.Qc2#
- 2...Rxc3
- 3.Qxd5#
- 2...bxc3
- 3.Qxd5#
- 2...Kxd3
- 2.c3+
- 1...a6
- 2.c3+
- 2...Kxd3
- 3.Qc2#
- 2...Rxc3
- 3.Qxd5#
- 2...bxc3
- 3.Qxd5#
- 2...Kxd3
- 2.c3+
- 1...bxa3!
- threat
- 1.Se5?
- threat
- 2.Bxd5
- threat
- 3.Se6#
- 3.Re4#
- 2...Rc4
- 3.Qxc4#
- threat
- 2.Bc8
- threat
- 3.Se6#
- 2...Re7
- 3.Sc6#
- 2...g3
- 3.Sf3#
- threat
- 2.c3+
- 2...Rxc3
- 3.Qxd5#
- 2...bxc3
- 3.Qxd5#
- 2...Rxc3
- 2.Bxd5
- 1...Rxf8
- 2.Qxb4+
- 2...Rc4
- 3.Sc6#
- 3.Bc5#
- 3.c3#
- 2...Rc4
- 2.c3+
- 2...Rxc3
- 3.Qxd5#
- 2...bxc3
- 3.Qxd5#
- 2...Rxc3
- 2.Qxb4+
- 1...Rc4
- 2.Bc8
- threat
- 3.Se6#
- 2...g3
- 3.Sf3#
- threat
- 2.dxc4
- threat
- 3.Sc6#
- 3.Qd3#
- threat
- 2.Bc8
- 1...Rc5
- 2.Sf3+
- 2...gxf3
- 3.Be5#
- 2...gxf3
- 2.Sed7
- threat
- 3.Bxc5#
- 3.Be5#
- threat
- 2.Bxd5
- threat
- 3.Se6#
- 3.Re4#
- 2...Rc4
- 3.Qxc4#
- threat
- 2.Bc8
- threat
- 3.Se6#
- 2...g3
- 3.Sf3#
- threat
- 2.Sf3+
- 1...Rcc8
- 2.Bxd5
- threat
- 3.Se6#
- 3.Re4#
- 2...Rc4
- 3.Qxc4#
- threat
- 2.Bf5
- threat
- 3.Se6#
- 2...Rxf8
- 3.Sc6#
- 2...Re8
- 3.Sc6#
- threat
- 2.Bd7
- threat
- 3.Se6#
- 2...Rxf8
- 3.Sc6#
- 2...Re8
- 3.Sc6#
- 2...g3
- 3.Sf3#
- threat
- 2.Bf7
- threat
- 3.Se6#
- 2...Rxf8
- 3.Sc6#
- 2...Re8
- 3.Sc6#
- 2...g3
- 3.Sf3#
- threat
- 2.Bxc8
- threat
- 3.Sc6#
- 3.Se6#
- threat
- 2.Bg8
- threat
- 3.Se6#
- 2...Rxf8
- 3.Sc6#
- 2...Re8
- 3.Sc6#
- 2...g3
- 3.Sf3#
- threat
- 2.c3+
- 2...Rxc3
- 3.Qxd5#
- 2...bxc3
- 3.Qxd5#
- 2...Rxc3
- 2.Bxd5
- 1...Rb5
- 2.Bxd5
- threat
- 3.Se6#
- 3.Re4#
- 2...Rc4
- 3.Qxc4#
- threat
- 2.Bf5
- threat
- 3.Se6#
- 2...Re7
- 3.Sc6#
- threat
- 2.Bd7
- threat
- 3.Se6#
- 2...g3
- 3.Sf3#
- threat
- 2.Bf7
- threat
- 3.Se6#
- 2...Re7
- 3.Sc6#
- 2...g3
- 3.Sf3#
- threat
- 2.Bc8
- threat
- 3.Se6#
- 2...Re7
- 3.Sc6#
- 2...g3
- 3.Sf3#
- threat
- 2.Bg8
- threat
- 3.Se6#
- 2...Re7
- 3.Sc6#
- 2...g3
- 3.Sf3#
- threat
- 2.Bxd5
- 1...Rb6
- 2.c3+
- 2...Rxc3
- 3.Qxd5#
- 2...bxc3
- 3.Qxd5#
- 2...Rxc3
- 2.c3+
- 1...Ra8
- 2.Bxd5
- threat
- 3.Se6#
- 3.Re4#
- 2...Rc4
- 3.Qxc4#
- threat
- 2.Bc8
- threat
- 3.Se6#
- 2...Re7
- 3.Sc6#
- 3.Qxb4#
- 2...g3
- 3.Sf3#
- threat
- 2.Qxb4+
- 2...Rc4
- 3.Sc6#
- 3.Bc5#
- 3.c3#
- 2...Rc4
- 2.c3+
- 2...Rxc3
- 3.Qxd5#
- 2...bxc3
- 3.Qxd5#
- 2...Rxc3
- 2.Bxd5
- 1...Rbc8
- 2.Bxc8
- threat
- 3.Se6#
- 2...Re7
- 3.Sc6#
- 3.Qxb4#
- 2...g3
- 3.Sf3#
- threat
- 2.Qxb4+
- 2...Rc4
- 3.c3#
- 2...Rc4
- 2.c3+
- 2...Rxc3
- 3.Qxd5#
- 2...bxc3
- 3.Qxd5#
- 2...Rxc3
- 2.Bxc8
- 1...Rd8
- 2.Qxb4+
- 2...Rc4
- 3.Sc6#
- 3.Bc5#
- 3.c3#
- 2...Rc4
- 2.c3+
- 2...Rxc3
- 3.Qxd5#
- 2...bxc3
- 3.Qxd5#
- 2...Rxc3
- 2.Qxb4+
- 1...Re8
- 2.Qxb4+
- 2...Rc4
- 3.Sc6#
- 3.Bc5#
- 3.c3#
- 2...Rc4
- 2.c3+
- 2...Rxc3
- 3.Qxd5#
- 2...bxc3
- 3.Qxd5#
- 2...Rxc3
- 2.Qxb4+
- 1...Bd2
- 2.c3+
- 2...Rxc3
- 3.Qxd5#
- 2...Bxc3
- 3.Qxd5#
- 2...bxc3
- 3.Qxd5#
- 2...Rxc3
- 2.c3+
- 1...Be3
- 2.Bc8
- threat
- 3.Se6#
- 2...Re7
- 3.Sc6#
- 3.Qxb2#
- 2...g3
- 3.Sf3#
- threat
- 2.Qxb2+
- 2...Rc3
- 3.Sc6#
- 2...Rc3
- 2.c3+
- 2...Rxc3
- 3.Qxd5#
- 2...bxc3
- 3.Qxd5#
- 2...Rxc3
- 2.Bc8
- 1...Bf1
- 2.c3+
- 2...Rxc3
- 3.Qxd5#
- 2...bxc3
- 3.Qxd5#
- 2...Rxc3
- 2.c3+
- 1...Bg2
- 2.Bc8
- threat
- 3.Se6#
- 2...Re7
- 3.Sc6#
- threat
- 2.Bc8
- 1...Sg6
- 2.Bxd5
- threat
- 3.Se6#
- 3.Re4#
- 2...Rc4
- 3.Qxc4#
- threat
- 2.c3+
- 2...Rxc3
- 3.Qxd5#
- 2...bxc3
- 3.Qxd5#
- 2...Rxc3
- 2.Bxd5
- 1...Sf7
- 2.c3+
- 2...Rxc3
- 3.Qxd5#
- 2...bxc3
- 3.Qxd5#
- 2...Rxc3
- 2.c3+
- 1...f3
- 2.Bxd5
- threat
- 3.Se6#
- 3.Re4#
- 2...Rc4
- 3.Qxc4#
- threat
- 2.Bc8
- threat
- 3.Se6#
- 2...Re7
- 3.Sc6#
- 2...g3
- 3.Sxf3#
- threat
- 2.c3+
- 2...Rxc3
- 3.Qxd5#
- 2...bxc3
- 3.Qxd5#
- 2...Rxc3
- 2.Bxd5
- 1...Rxc2!
- threat
- 1.Sb6?
- threat
- 2.Sa4
- threat
- 3.Be5#
- 3.Qxd5#
- threat
- 2.Qxb4+
- 2...Rc4
- 3.Bc5#
- 3.Be5#
- 2...Rc4
- 2.c3+
- 2...Kxd3
- 3.Qc2#
- 2...Rxc3
- 3.Qxd5#
- 2...bxc3
- 3.Qxd5#
- 2...Kxd3
- 2.Sa4
- 1...Rxb6
- 2.Be5+
- 2...Kc5
- 3.Qxd5#
- 2...Kc5
- 2.Be5+
- 1...Rxf8
- 2.Qxb4+
- 2...Rc4
- 3.Bc5#
- 3.Be5#
- 2...Rc4
- 2.c3+
- 2...Kxd3
- 3.Qc2#
- 2...Rxc3
- 3.Qxd5#
- 2...bxc3
- 3.Qxd5#
- 2...Kxd3
- 2.Qxb4+
- 1...axb6
- 2.Be5+
- 2...Kc5
- 3.Qxd5#
- 2...Kc5
- 2.Qxb4+
- 2...Rc4
- 3.Be5#
- 2...Rc4
- 2.Be5+
- 1...Rc4
- 2.Sxd5
- threat
- 3.Re4#
- 3.Qxc4#
- threat
- 2.Bxd5
- threat
- 3.Se6#
- 3.Re4#
- 3.Qxc4#
- threat
- 2.Sxd5
- 1...Rc6
- 2.Qxb4+
- 2...Rc4
- 3.Bc5#
- 3.Be5#
- 2...Rc4
- 2.c3+
- 2...Kxd3
- 3.Qc2#
- 2...Rxc3
- 3.Qxd5#
- 2...bxc3
- 3.Qxd5#
- 2...Kxd3
- 2.Qxb4+
- 1...Rcc8
- 2.Sa4
- threat
- 3.Be5#
- 3.Qxd5#
- threat
- 2.Bxd5
- threat
- 3.Se6#
- 3.Re4#
- 2...Re8
- 3.Qc4#
- 3.Qxb4#
- threat
- 2.Bf5
- threat
- 3.Se6#
- 2...Rxf8
- 3.Qxb4#
- 2...Re8
- 3.Qxb4#
- threat
- 2.Bxc8
- threat
- 3.Se6#
- 3.Qxb4#
- threat
- 2.Qxb4+
- 2...Rc4
- 3.Bc5#
- 3.Be5#
- 2...Rc4
- 2.c3+
- 2...Kxd3
- 3.Qc2#
- 2...Rxc3
- 3.Qxd5#
- 2...bxc3
- 3.Qxd5#
- 2...Kxd3
- 2.Sa4
- 1...Rbc8
- 2.Sa4
- threat
- 3.Be5#
- 3.Qxd5#
- threat
- 2.Qxb4+
- 2...Rc4
- 3.Be5#
- 2...Rc4
- 2.c3+
- 2...Kxd3
- 3.Qc2#
- 2...Rxc3
- 3.Qxd5#
- 2...bxc3
- 3.Qxd5#
- 2...Kxd3
- 2.Sa4
- 1...Rd8
- 2.Qxb4+
- 2...Rc4
- 3.Bc5#
- 3.Be5#
- 2...Rc4
- 2.c3+
- 2...Kxd3
- 3.Qc2#
- 2...Rxc3
- 3.Qxd5#
- 2...bxc3
- 3.Qxd5#
- 2...Kxd3
- 2.Qxb4+
- 1...Re8
- 2.Sa4
- threat
- 3.Be5#
- 3.Qxd5#
- 2...Rxe6
- 3.Sxe6#
- threat
- 2.Qxb4+
- 2...Rc4
- 3.Bc5#
- 3.Be5#
- 2...Rc4
- 2.c3+
- 2...Kxd3
- 3.Qc2#
- 2...Rxc3
- 3.Qxd5#
- 2...bxc3
- 3.Qxd5#
- 2...Kxd3
- 2.Sa4
- 1...Bd2
- 2.Qxd5+
- 2...Kc3
- 3.Sa4#
- 3.Be5#
- 3.Qe5#
- 2...Kc3
- 2.c3+
- 2...Kxd3
- 3.Bf5#
- 3.Qc2#
- 2...Rxc3
- 3.Qxd5#
- 2...Bxc3
- 3.Qxd5#
- 2...bxc3
- 3.Qxd5#
- 2...Kxd3
- 2.Qxd5+
- 1...Be3
- 2.c3+
- 2...Kxd3
- 3.Qc2#
- 2...Rxc3
- 3.Qxd5#
- 2...bxc3
- 3.Qxd5#
- 2...Kxd3
- 2.c3+
- 1...Bf1
- 2.Qxb4+
- 2...Rc4
- 3.Bc5#
- 3.Be5#
- 2...Rc4
- 2.c3+
- 2...Kxd3
- 3.Qc2#
- 2...Rxc3
- 3.Qxd5#
- 2...bxc3
- 3.Qxd5#
- 2...Kxd3
- 2.Qxb4+
- 1...Bg2
- 2.Bc8
- threat
- 3.Se6#
- 2...Re7
- 3.Qxb4#
- threat
- 2.Qxb4+
- 2...Rc4
- 3.Bc5#
- 3.Be5#
- 2...Rc4
- 2.Bc8
- 1...Sg6
- 2.Qxb4+
- 2...Rc4
- 3.Bc5#
- 2...Rc4
- 2.c3+
- 2...Kxd3
- 3.Qc2#
- 2...Rxc3
- 3.Qxd5#
- 2...bxc3
- 3.Qxd5#
- 2...Kxd3
- 2.Qxb4+
- 1...Sf7
- 2.Qxb4+
- 2...Rc4
- 3.Bc5#
- 2...Rc4
- 2.c3+
- 2...Kxd3
- 3.Qc2#
- 2...Rxc3
- 3.Qxd5#
- 2...bxc3
- 3.Qxd5#
- 2...Kxd3
- 2.Qxb4+
- 1...a5
- 2.Sa4
- threat
- 3.Be5#
- 3.Qxd5#
- threat
- 2.c3+
- 2...Kxd3
- 3.Qc2#
- 2...Rxc3
- 3.Qxd5#
- 2...bxc3
- 3.Qxd5#
- 2...Kxd3
- 2.Sa4
- 1...Rxc2!
- threat
- 1.Bxb4?
- threat
- 2.Qc3#
- 1...Rxc4
- 2.Qxc4+
- 2...dxc4
- 3.Re4#
- 2...dxc4
- 2.c3+
- 2...Kxd3
- 3.Qc2#
- 2...Rxc3
- 3.Qxd5#
- 3.Qxc3#
- 2...Kxd3
- 2.Qxc4+
- 1...Bd2
- 2.Qxb2+
- 2...Bc3
- 3.Qxc3#
- 2...Bc3
- 2.c3+
- 2...Kxd3
- 3.Sxb2#
- 3.Se5#
- 3.Bf5#
- 2...Bxc3
- 3.Qxc3#
- 2...Kxd3
- 2.Qxb2+
- 1...Rxb4!
- threat
- 1.Bd7?
- threat
- 2.Se6#
- 1...Rxf8
- 2.Be5+
- 2...Kc5
- 3.d4#
- 2...Kc5
- 2.Be5+
- 1...dxc4
- 2.dxc4
- threat
- 3.Se6#
- 3.Qd3#
- threat
- 2.dxc4
- 1...g3
- 2.Be5+
- 2...Kc5
- 3.d4#
- 2...Kc5
- 2.Be5+
- 1...Re8!
- threat
- 1.Qxb4?
- threat
- 2.Be5#
- 1...Sg6
- 2.Sb6+
- 2...Rc4
- 3.Bc5#
- 2...Rc4
- 2.c3+
- 2...Kxd3
- 3.Bf5#
- 2...Kxd3
- 2.Sb6+
- 1...Sf7
- 2.Sb6+
- 2...Rc4
- 3.Bc5#
- 2...Rc4
- 2.c3+
- 2...Kxd3
- 3.Bf5#
- 2...Kxd3
- 2.Sb6+
- 1...Rxb4!
- threat
- 1.c3+?
- 1...Kxd3
- 2.Bf5#
- 1...bxc3!
- 1...Kxd3
- 1.Sd2?
- Keys
- 1.Sa5!
- threat
- 2.c3+
- 2...Kxd3
- 3.Qc2#
- 2...Rxc3
- 3.Qxd5#
- 2...bxc3
- 3.Qxd5#
- 2...Kxd3
- 2.c3+
- 1...Rxc2
- 2.Qxc2
- threat
- 3.Sb3#
- 3.Sc6#
- 3.Bc5#
- 3.Be5#
- threat
- 2.Qxc2
- 1...Rc4
- 2.dxc4
- threat
- 3.Sc6#
- 3.Qd3#
- threat
- 2.dxc4
- 1...Rcc8
- 2.Bxd5
- threat
- 3.Se6#
- 3.Re4#
- 2...Rc4
- 3.Qxc4#
- 2...Re8
- 3.Sc6#
- 3.Qc4#
- threat
- 2.Bf5
- threat
- 3.Se6#
- 2...Rxf8
- 3.Sc6#
- 2...Re8
- 3.Sc6#
- threat
- 2.Bxc8
- threat
- 3.Sc6#
- 3.Se6#
- threat
- 2.c3+
- 2...Kxd3
- 3.Qc2#
- 2...Rxc3
- 3.Qxd5#
- 2...bxc3
- 3.Qxd5#
- 2...Kxd3
- 2.Bxd5
- 1...Rb5
- 2.Bxd5
- threat
- 3.Se6#
- 3.Re4#
- 2...Rc4
- 3.Qxc4#
- 2...Re7
- 3.Sc6#
- 3.Qc4#
- threat
- 2.Bf5
- threat
- 3.Se6#
- 2...Re7
- 3.Sc6#
- threat
- 2.Bxd5
- 1...Bd2
- 2.Qxd5+
- 2...Kc3
- 3.Be5#
- 3.Qe5#
- 2...Kc3
- 2.Qxb2+
- 2...Rc3
- 3.Sb3#
- 3.Sc6#
- 2...Bc3
- 3.Sb3#
- 2...Rc3
- 2.c3+
- 2...Kxd3
- 3.Bf5#
- 3.Qc2#
- 2...Rxc3
- 3.Qxd5#
- 2...Bxc3
- 3.Qxd5#
- 2...bxc3
- 3.Qxd5#
- 2...Kxd3
- 2.Qxd5+
- 1...Bg2
- 2.Bc8
- threat
- 3.Se6#
- 2...Re7
- 3.Sc6#
- threat
- 2.Bc8
- threat
- 1.Sa5!
FEATURES
NOT CLASSIFIED
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).