MESON Chess Problem Database
Problem Display
PID: 196000 (2B1q3/2p1P3/Q1p1R3/2PkN2b/K1p2r2/B1P2P2/3N4/8 w - - 0 1)
Balashov, Evgeny Fedorovich
Sachova skladba, 1995
#2
11 + 7
SOLUTION
- SOUND
- Sets
- 1...Qg6
- 2.Qxc6#
- 1...Qf7
- 2.Qxc6#
- 1...Qxe7
- 2.Qxc6#
- 1...Qxc8
- 2.Qxc6#
- 1...Qd8
- 2.Qxc6#
- 2.exd8Q#
- 2.exd8R#
- 1...Qf8
- 2.Qxc6#
- 1...Qg8
- 2.Qxc6#
- 1...Qh8
- 2.Qxc6#
- 1...Rxf3
- 2.Qxc4#
- 1...Re4
- 2.fxe4#
- 1...Rf5
- 2.Qxc4#
- 1...Rf6
- 2.Qxc4#
- 1...Rf7
- 2.Qxc4#
- 1...Rf8
- 2.Qxc4#
- 1...Qg6
- Tries
- 1.Sd3?
- threat
- 2.Sxf4#
- 2.Re5#
- 1...Qxe7
- 2.Sxf4#
- 2.Qxc6#
- 1...Rxf3
- 2.Re5#
- 2.Qxc4#
- 1...Qf7
- 2.Re5#
- 2.Qxc6#
- 1...Qf8
- 2.Re5#
- 2.Qxc6#
- 1...Qh8
- 2.Sxf4#
- 2.Qxc6#
- 1...Rd4
- 2.Re5#
- 1...Re4
- 2.fxe4#
- 1...Rg4
- 2.Re5#
- 1...Rh4
- 2.Re5#
- 1...Rf5
- 2.Qxc4#
- 1...Rf6
- 2.Re5#
- 2.Qxc4#
- 1...Rf7
- 2.Re5#
- 2.Qxc4#
- 1...Rf8
- 2.Re5#
- 2.Qxc4#
- 1...cxd3+!
- threat
- 1.Sxc6?
- threat
- 2.Re5#
- 1...Qxc6+
- 2.Qxc6#
- 1...Qxe7
- 2.Sxe7#
- 1...Re4
- 2.fxe4#
- 1...Rf5
- 2.Qxc4#
- 1...Qh8!
- threat
- 1.Sg6?
- threat
- 2.Sxf4#
- 2.Re5#
- 1...Qxg6
- 2.Qxc6#
- 1...Qxe7
- 2.Sxf4#
- 2.Sxe7#
- 2.Qxc6#
- 1...Rxf3
- 2.Re5#
- 2.Qxc4#
- 1...Qf7
- 2.Re5#
- 2.Qxc6#
- 1...Qf8
- 2.Re5#
- 2.Qxc6#
- 1...Qh8
- 2.Sxf4#
- 2.Qxc6#
- 1...Rd4
- 2.Re5#
- 1...Re4
- 2.fxe4#
- 1...Rg4
- 2.Re5#
- 1...Rh4
- 2.Re5#
- 1...Rf5
- 2.Qxc4#
- 1...Rf6
- 2.Re5#
- 2.Qxc4#
- 1...Rf7
- 2.Re5#
- 2.Qxc4#
- 1...Rf8
- 2.Re5#
- 2.Qxc4#
- 1...Bxg6!
- threat
- 1.Sf7?
- threat
- 2.Re5#
- 1...Qxf7
- 2.Qxc6#
- 1...Qxe7
- 2.Qxc6#
- 1...Rxf7
- 2.Qxc4#
- 1...Qh8
- 2.Qxc6#
- 1...Re4
- 2.fxe4#
- 1...Rf5
- 2.Qxc4#
- 1...Bxf7!
- threat
- 1.Sd3?
- Keys
- 1.Sexc4!
- threat
- 2.Re5#
- 1...Rxc4+
- 2.Qxc4#
- 1...Qxe7
- 2.Qxc6#
- 1...Qh8
- 2.Qxc6#
- 1...Re4
- 2.fxe4#
- 1...Rf5
- 2.Se3#
- threat
- 1.Sexc4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 9
- Sets
- Q(g);N_GUARD::QAB1(H),XP(e)
- Q(g);N_GUARD,XP(J)::QAB1(H),XP(e)
- Q(g);N_GUARD,XB(K)::QAB1(H),XP(e)
- R(b);N_GUARD,XP(D)::QAB1(H),XP(a)
- R(b);OGATE::P(D),XR(b)
- R(b);N_GUARD::QAB1(H),XP(a)
- Tries
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- R(b);::R1(I)
- R(b);OGATE::P(D),XR(b)
- R(b);N_GUARD::QAB1(H),XP(a)
- Refutation
- P(a);CHECK,XS(G)
- Try
- S(G);P_SPINS(G),XP(e)
- Threat
- R1(I)
- Vars
- Q(g);CHECK,OGATE,XS(G)::QAB1(H),XQ(g)
- Q(g);N_PINS(G),XP(J)::S(G),XQ(g)
- R(b);OGATE::P(D),XR(b)
- R(b);N_GUARD::QAB1(H),XP(a)
- Refutation
- Q(g);N_PINS(G)
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- Q(g);N_GUARD,XS(G)::QAB1(H),XP(e)
- R(b);::R1(I)
- R(b);OGATE::P(D),XR(b)
- R(b);N_GUARD::QAB1(H),XP(a)
- Refutation
- B(d);XS(G)
- Try
- S(G);
- Threat
- R1(I)
- Vars
- Q(g);N_GUARD,XS(G)::QAB1(H),XP(e)
- Q(g);N_GUARD,XP(J)::QAB1(H),XP(e)
- R(b);N_GUARD,XS(G)::QAB1(H),XP(a)
- Q(g);N_GUARD::QAB1(H),XP(e)
- R(b);OGATE::P(D),XR(b)
- R(b);N_GUARD::QAB1(H),XP(a)
- Refutation
- B(d);XS(G)
- Try
- Actual
- S(G);P_SPINS(G),XP(a)
- Threat
- R1(I)
- Vars
- R(b);CHECK,OGATE,XS(G)::QAB1(H),XR(b)
- Q(g);N_GUARD,XP(J)::QAB1(H),XP(e)
- Q(g);N_GUARD::QAB1(H),XP(e)
- R(b);OGATE::P(D),XR(b)
- R(b);N_PINS(G)::S(G)
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).