MESON Chess Problem Database
Problem Display
PID: 50078 (5B2/1KN1np2/R4PP1/2P1k1r1/3pBR2/2p1Pp2/p4N2/2Q1n2b w - - 0 1)
Gorbatenko, Yuri Grigorevich
6th Place, 12. Russian Championship, 1996
#2
12 + 10
SOLUTION
- SOUND
- Sets
- 1...Rg4
- 2.Sxg4#
- 1...Rf5
- 2.Sg4#
- 1...Rh5
- 2.Sg4#
- 1...Sc2
- 2.Sd3#
- 1...Sg2
- 2.Sd3#
- 1...Sd3
- 2.Sxd3#
- 1...Sd5
- 2.Bd6#
- 1...Sc6
- 2.Bd6#
- 1...Sxg6
- 2.Bd6#
- 1...Sg8
- 2.Bd6#
- 1...d3
- 2.Qxc3#
- 1...fxg6
- 2.Re6#
- 1...Rg4
- Tries
- 1.Bc2?
- threat
- 2.exd4#
- 1...Sxc2
- 2.Sd3#
- 1...dxe3
- 2.Qxe3#
- 1...Sf5
- 2.Re4#
- 1...Sc6
- 2.Bd6#
- 1...d3!
- threat
- 1.Bd3?
- threat
- 2.exd4#
- 1...dxe3
- 2.Qxe3#
- 1...Sf5
- 2.Re4#
- 1...Sc6
- 2.Bd6#
- 1...Sc2!
- threat
- 1.Bxf3?
- threat
- 2.exd4#
- 1...Sxf3
- 2.Sd3#
- 1...dxe3
- 2.Qxe3#
- 1...Sc2
- 2.Sd3#
- 1...Sf5
- 2.Re4#
- 1...Sc6
- 2.Bd6#
- 1...d3
- 2.Qxc3#
- 1...Bxf3+!
- threat
- 1.Bf5?
- threat
- 2.exd4#
- 1...Sxf5
- 2.Re4#
- 1...dxe3
- 2.Qxe3#
- 1...Sc2
- 2.Sd3#
- 1...d3
- 2.Qxc3#
- 1...Sc6!
- threat
- 1.Bc6?
- threat
- 2.exd4#
- 1...Sxc6
- 2.Bd6#
- 1...dxe3
- 2.Qxe3#
- 1...Rf5
- 2.Sg4#
- 1...Sc2
- 2.Sd3#
- 1...d3
- 2.Qxc3#
- 1...Sf5!
- threat
- 1.Bxe7?
- threat
- 2.Bd6#
- 1...Rf5
- 2.Sg4#
- 2.Rxf5#
- 1...dxe3!
- threat
- 1.Qxe1?
- threat
- 2.Sd3#
- 1...d3
- 2.Sxd3#
- 2.Qxc3#
- 1...dxe3!
- threat
- 1.fxe7?
- threat
- 2.e8Q#
- 2.e8R#
- 1...Rxg6
- 2.Rf5#
- 1...fxg6
- 2.Bg7#
- 2.Re6#
- 2.e8Q#
- 2.e8R#
- 1...a1Q
- 2.e8Q#
- 2.e8R#
- 1...a1S
- 2.e8Q#
- 2.e8R#
- 1...a1B
- 2.e8Q#
- 2.e8R#
- 1...a1R
- 2.e8Q#
- 2.e8R#
- 1...Rg1
- 2.Rf5#
- 2.e8Q#
- 2.e8R#
- 1...Rg2
- 2.Rf5#
- 2.e8Q#
- 2.e8R#
- 1...Rg3
- 2.Rf5#
- 2.e8Q#
- 2.e8R#
- 1...Rg4
- 2.Sxg4#
- 2.Rf5#
- 2.e8Q#
- 2.e8R#
- 1...Rf5
- 2.Sg4#
- 2.Rxf5#
- 2.e8Q#
- 2.e8R#
- 1...Rh5
- 2.Sg4#
- 2.e8Q#
- 2.e8R#
- 1...Bg2
- 2.e8Q#
- 2.e8R#
- 1...Sc2
- 2.Sd3#
- 2.e8Q#
- 2.e8R#
- 1...Sg2
- 2.Sd3#
- 2.e8Q#
- 2.e8R#
- 1...Sd3
- 2.Sxd3#
- 2.e8Q#
- 2.e8R#
- 1...c2
- 2.e8Q#
- 2.e8R#
- 1...d3
- 2.Qxc3#
- 2.e8Q#
- 2.e8R#
- 1...f5
- 2.Bg7#
- 2.Re6#
- 2.e8Q#
- 2.e8R#
- 1...f6
- 2.Re6#
- 2.e8Q#
- 2.e8R#
- 1...dxe3!
- threat
- 1.gxf7?
- threat
- 2.Re6#
- 1...Sc6
- 2.Bd6#
- 1...dxe3!
- threat
- 1.Bc2?
- Keys
- 1.Bd5!
- threat
- 2.exd4#
- 1...dxe3
- 2.Qxe3#
- 1...Sc2
- 2.Sd3#
- 1...Sf5
- 2.Re4#
- 1...Sc6
- 2.Bd6#
- 1...d3
- 2.Qxc3#
- threat
- 1.Bd5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 9
- Sets
- R(h);N_GUARD::S(B),XR(h)
- R(h);N_GUARD::S(B)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- S(i);OGATE::B(L)
- S(i);OGATE,XP(I)::B(L)
- P(f);OGATEB::QAB(A),XP(d)
- P(j);N_GUARD,XP(I)::R1(G)
- Tries
- Try
- B(D);
- Threat
- P(C),XP(f)
- Vars
- S(a);N_GUARD,XB(D)::S(B)
- P(f);OGATE,XP(C)::QAR2(A),XP(f)
- S(i);SBLOCK::R1(E)
- S(i);OGATE::B(L)
- Refutation
- P(f);
- Try
- B(D);
- Threat
- P(C),XP(f)
- Vars
- P(f);OGATE,XP(C)::QAR2(A),XP(f)
- S(i);SBLOCK::R1(E)
- S(i);OGATE::B(L)
- Refutation
- S(a);
- Try
- B(D);P_SPINB(D),XP(e)
- Threat
- P(C),XP(f)
- Vars
- S(a);N_GUARD,XB(D)::S(B)
- P(f);OGATE,XP(C)::QAR2(A),XP(f)
- S(a);N_GUARD::S(B)
- S(i);SBLOCK::R1(E)
- S(i);N_PINB(D),OGATE::B(L)
- P(f);OGATEB::QAB(A),XP(d)
- Refutation
- B(b);CHECK,XB(D)
- Try
- B(D);
- Threat
- P(C),XP(f)
- Vars
- S(i);SBLOCK,XB(D)::R1(E)
- P(f);OGATE,XP(C)::QAR2(A),XP(f)
- S(a);N_GUARD::S(B)
- P(f);OGATEB::QAB(A),XP(d)
- Refutation
- S(i);
- Try
- B(D);
- Threat
- P(C),XP(f)
- Vars
- S(i);OGATE,XB(D)::B(L)
- P(f);OGATE,XP(C)::QAR2(A),XP(f)
- R(h);N_GUARD::S(B)
- S(a);N_GUARD::S(B)
- P(f);OGATEB::QAB(A),XP(d)
- Refutation
- S(i);
- Try
- B(L);XS(i)
- Threat
- B(L)
- Refutation
- P(f);XP(C)
- Try
- Q(A);XS(a)
- Threat
- S(B)
- Refutation
- P(f);XP(C)
- Try
- P(H);XS(i)
- Threat
- P=Q
- Vars
- R(h);N_GUARD,XP(I)::R1(E)
- P(c);::P=Q
- B(b);::P=Q
- P(d);::P=Q
- Refutation
- P(f);XP(C)
- Try
- P(I);XP(j)
- Threat
- R1(G)
- Vars
- S(i);OGATE::B(L)
- Refutation
- P(f);XP(C)
- Try
- Actual
- B(D);
- Threat
- P(C),XP(f)
- Vars
- P(f);OGATE,XP(C)::QAR2(A),XP(f)
- S(a);N_GUARD::S(B)
- S(i);SBLOCK::R1(E)
- S(i);OGATE::B(L)
- P(f);OGATEB::QAB(A),XP(d)
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).