MESON Chess Problem Database
Problem Display
PID: 53738 (1B6/1Np1p2P/3rP1K1/1R1PkBP1/R3p1nQ/5b1N/3P3b/3n4 w - - 0 1)
Melnichenko, Viktor Oleksandrovich
Rudenko, Valentin Fedorovich
Probleemblad, 2004
#2
13 + 9
| 56 | The Problemist | 2005 |
SOLUTION
- SOUND
- Sets
- 1...Rxd5
- 2.Bxc7#
- 1...Rc6
- 2.dxc6#
- 1...Rxe6+
- 2.dxe6#
- 1...Bg1
- 2.Qg3#
- 1...Bg3
- 2.Qxg3#
- 1...Be2
- 2.Rxe4#
- 1...Sf2
- 2.h8Q#
- 2.h8B#
- 1...Se3
- 2.h8Q#
- 2.h8B#
- 1...Sh6
- 2.h8Q#
- 2.h8B#
- 1...e3
- 2.d4#
- 1...c5
- 2.dxc5 ep#
- 1...c6
- 2.dxc6#
- 1...Rxd5
- Tries
- 1.Bxg4?
- threat
- 2.h8Q#
- 2.h8B#
- 1...Rxe6+
- 2.dxe6#
- 1...Rxd5
- 2.Bxc7#
- 2.h8Q#
- 2.h8B#
- 1...Bxg4
- 2.h8Q#
- 2.h8B#
- 1...c5
- 2.dxc5 ep#
- 1...Ra6
- 2.h8Q#
- 2.h8B#
- 1...Rb6
- 2.h8Q#
- 2.h8B#
- 1...Rc6
- 2.dxc6#
- 2.h8Q#
- 2.h8B#
- 1...Rd7
- 2.h8Q#
- 2.h8B#
- 1...Bg1
- 2.Qg3#
- 2.h8Q#
- 2.h8B#
- 1...Bg3
- 2.Qxg3#
- 2.h8Q#
- 2.h8B#
- 1...Bf4
- 2.h8Q#
- 2.h8B#
- 1...Bh1
- 2.h8Q#
- 2.h8B#
- 1...Be2
- 2.h8Q#
- 2.h8B#
- 1...Bg2
- 2.h8Q#
- 2.h8B#
- 1...Sb2
- 2.h8Q#
- 2.h8B#
- 1...Sf2
- 2.h8Q#
- 2.h8B#
- 1...Sc3
- 2.h8Q#
- 2.h8B#
- 1...Se3
- 2.h8Q#
- 2.h8B#
- 1...e3
- 2.h8Q#
- 2.h8B#
- 1...c6
- 2.dxc6#
- 2.h8Q#
- 2.h8B#
- 1...Rd8!
- threat
- 1.Qxg4?
- threat
- 2.h8Q#
- 2.h8B#
- 1...Rxe6+
- 2.dxe6#
- 1...Rxd5
- 2.Bxc7#
- 2.h8Q#
- 2.h8B#
- 1...Bxg4
- 2.Rxe4#
- 2.h8Q#
- 2.h8B#
- 1...c5
- 2.dxc5 ep#
- 1...Ra6
- 2.h8Q#
- 2.h8B#
- 1...Rb6
- 2.h8Q#
- 2.h8B#
- 1...Rc6
- 2.dxc6#
- 2.h8Q#
- 2.h8B#
- 1...Rd7
- 2.h8Q#
- 2.h8B#
- 1...Bg1
- 2.Qg3#
- 2.Qf4#
- 2.h8Q#
- 2.h8B#
- 1...Bg3
- 2.Qxg3#
- 2.h8Q#
- 2.h8B#
- 1...Bf4
- 2.Qxf4#
- 2.h8Q#
- 2.h8B#
- 1...Bh1
- 2.h8Q#
- 2.h8B#
- 1...Be2
- 2.Rxe4#
- 2.Qxe4#
- 2.h8Q#
- 2.h8B#
- 1...Bg2
- 2.h8Q#
- 2.h8B#
- 1...Sb2
- 2.h8Q#
- 2.h8B#
- 1...Sf2
- 2.h8Q#
- 2.h8B#
- 1...Sc3
- 2.h8Q#
- 2.h8B#
- 1...Se3
- 2.h8Q#
- 2.h8B#
- 1...e3
- 2.Qd4#
- 2.d4#
- 2.h8Q#
- 2.h8B#
- 1...c6
- 2.dxc6#
- 2.h8Q#
- 2.h8B#
- 1...Rd8!
- threat
- 1.d3?
- threat
- 2.d4#
- 1...Rxe6+
- 2.dxe6#
- 1...c5
- 2.dxc5 ep#
- 1...Bg1
- 2.Qg3#
- 1...exd3!
- threat
- 1.h8S?
- threat
- 2.Sf7#
- 1...Rxe6+
- 2.dxe6#
- 1...c5
- 2.dxc5 ep#
- 1...Sh6!
- threat
- 1.Bxg4?
- Keys
- 1.Qe1!
- threat
- 2.d4#
- 1...Rxe6+
- 2.dxe6#
- 1...c5
- 2.dxc5 ep#
- 1...Bg1
- 2.Qg3#
- 1...Be2
- 2.Rxe4#
- 1...Sde3
- 2.Qa1#
- 1...Sge3
- 2.h8Q#
- 2.h8B#
- threat
- 1.Qe1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 5
- Sets
- R(g);N_PINP(I),OGATEB,P_SPINP(h),P_SPINR(g),XP(F)::B(M),XP(h)
- R(g);OGATE,P_SPINP(h)::R(E)+P(F),XR(g)
- R(g);CHECK,OGATE,P_SPINP(h),XP(I)::R(E)+P(F),XR(g)
- B(b);N_GUARD::QAB(D)
- B(b);N_GUARD::QAB(D),XB(b)
- B(c);N_GUARD::R1(C),XP(d)
- S(e);N_GUARD::P=Q
- P(d);N_GUARD::P(A)
- P(h);OGATE,P_SPINR(g)::R(E)+P(F),XP(h),EP
- P(h);OGATE,P_SPINR(g)::R(E)+P(F),XP(h)
- Tries
- Try
- B(G);XS(e)
- Threat
- P=Q
- Vars
- R(g);CHECK,OGATE,P_SPINP(h),XP(I)::R(E)+P(F),XR(g)
- B(c);XB(G)::P=Q
- P(h);OGATE,P_SPINR(g)::R(E)+P(F),XP(h),EP
- R(g);P_SPINP(h)::P=Q
- R(g);N_PINP(I),P_SPINP(h)::P=Q
- B(b);::P=Q
- B(c);::P=Q
- S(a);::P=Q
- P(d);::P=Q
- Refutation
- R(g);N_PINP(I),P_SPINP(h)
- Try
- Q(D);XS(e)
- Threat
- P=Q
- Vars
- R(g);CHECK,OGATE,P_SPINP(h),XP(I)::R(E)+P(F),XR(g)
- P(h);OGATE,P_SPINR(g)::R(E)+P(F),XP(h),EP
- R(g);P_SPINP(h)::P=Q
- R(g);N_PINP(I),P_SPINP(h)::P=Q
- B(c);::P=Q
- S(a);::P=Q
- Refutation
- R(g);N_PINP(I),P_SPINP(h)
- Try
- P(A);
- Threat
- P(A)
- Vars
- R(g);CHECK,OGATE,P_SPINP(h),XP(I)::R(E)+P(F),XR(g)
- P(h);OGATE,P_SPINR(g)::R(E)+P(F),XP(h),EP
- B(b);N_GUARD::QAB(D)
- Refutation
- P(d);XP(A)
- Try
- P(L);
- Threat
- S(L)
- Vars
- R(g);CHECK,OGATE,P_SPINP(h),XP(I)::R(E)+P(F),XR(g)
- P(h);OGATE,P_SPINR(g)::R(E)+P(F),XP(h),EP
- Refutation
- S(e);
- Try
- Actual
- Q(D);P_PINP(d)
- Threat
- P(A)
- Vars
- R(g);CHECK,OGATE,XP(I)::R(E)+P(F),XR(g)
- P(h);OGATE,P_SPINR(g)::R(E)+P(F),XP(h),EP
- B(b);N_GUARD::QAB(D)
- B(c);N_GUARD,N_SPINP(d)::R1(C),XP(d)
- S(a);N_SPINP(d),OGATE::QAB(D)
- S(e);N_GUARD,N_SPINP(d)::P=Q
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).