MESON Chess Problem Database
Problem Display
PID: 28818 (2b1r3/KP1p4/PR1P4/1PkB1N1R/1N1p4/1PBp4/4rp2/2Q3q1 w - - 0 1)
Golubenko, Vladimir Aleksandrovich
StrateGems, 2001
#2
13 + 9
| 5454 | Near Snap | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qh2
- 2.Bd2#
- 1...Qg2
- 2.Bd2#
- 1...Qg3
- 2.Bd2#
- 1...Qg4
- 2.Bd2#
- 1...Qg5
- 2.Bd2#
- 1...Qg6
- 2.Bd2#
- 1...Qg7
- 2.Bd2#
- 1...Qg8
- 2.Bd2#
- 1...Re1
- 2.Bxe1#
- 1...R2e3
- 2.Be1#
- 1...R2e4
- 2.Be1#
- 1...R2e5
- 2.Be1#
- 1...R2e6
- 2.Be1#
- 1...R2e7
- 2.Be1#
- 1...R8e3
- 2.bxc8Q#
- 2.bxc8R#
- 1...R8e4
- 2.bxc8Q#
- 2.bxc8R#
- 1...R8e5
- 2.bxc8Q#
- 2.bxc8R#
- 1...R8e6
- 2.bxc8Q#
- 2.bxc8R#
- 1...R8e7
- 2.bxc8Q#
- 2.bxc8R#
- 1...f1S
- 2.Bd2#
- 1...f1B
- 2.Bd2#
- 1...dxc3
- 2.Qxc3#
- 1...Qh2
- Tries
- 1.Se3?
- threat
- 2.Sxd3#
- 1...R2xe3
- 2.Be1#
- 1...R8xe3
- 2.bxc8Q#
- 2.bxc8R#
- 1...dxc3
- 2.Qxc3#
- 1...Qd1
- 2.Be6#
- 1...Qg6
- 2.Bd2#
- 1...d2
- 2.Sd3#
- 1...Rd2!
- threat
- 1.Sg3?
- threat
- 2.Sxd3#
- 1...Qxg3
- 2.Bd2#
- 1...dxc3
- 2.Qxc3#
- 1...Rd2
- 2.Be6#
- 1...R2e3
- 2.Be1#
- 1...R2e5
- 2.Be1#
- 1...R8e3
- 2.Be4#
- 2.bxc8Q#
- 2.bxc8R#
- 1...R8e5
- 2.bxc8Q#
- 2.bxc8R#
- 1...d2
- 2.Sd3#
- 1...Qd1!
- threat
- 1.Bg2?
- threat
- 2.Sxd3#
- 1...Qxg2
- 2.Bd2#
- 1...Rd2
- 2.Se7#
- 1...R2e3
- 2.Be1#
- 1...R2e4
- 2.Be1#
- 1...R8e3
- 2.Sxe3#
- 2.bxc8Q#
- 2.bxc8R#
- 1...R8e4
- 2.bxc8Q#
- 2.bxc8R#
- 1...d2
- 2.Sd3#
- 1...Qd1!
- threat
- 1.Be4?
- threat
- 2.Sxd3#
- 1...R2xe4
- 2.Be1#
- 1...R8xe4
- 2.bxc8Q#
- 2.bxc8R#
- 1...Qd1
- 2.Se7#
- 1...Qg3
- 2.Bd2#
- 1...Re3
- 2.Be1#
- 1...d2
- 2.Sd3#
- 1...Rd2!
- threat
- 1.Be6?
- threat
- 2.Sxd3#
- 1...R2xe6
- 2.Be1#
- 1...R8xe6
- 2.bxc8Q#
- 2.bxc8R#
- 1...Qd1
- 2.Se3#
- 1...Qg3
- 2.Bd2#
- 1...Rd2
- 2.Sg3#
- 1...Re3
- 2.Be1#
- 1...d2
- 2.Sd3#
- 1...dxe6!
- threat
- 1.b8Q?
- threat
- 2.Qc7#
- 1...dxc3
- 2.Qxc3#
- 1...Bb7!
- threat
- 1.Se3?
- Keys
- 1.Se7!
- threat
- 2.Sxd3#
- 1...dxc3
- 2.Qxc3#
- 1...Qd1
- 2.Be4#
- 1...Qg3
- 2.Bd2#
- 1...Qg6
- 2.Bd2#
- 1...Rd2
- 2.Bg2#
- 1...Re3
- 2.Be1#
- 1...d2
- 2.Sd3#
- threat
- 1.Se7!
Anticipated by 88897(1991)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 13
- Sets
- Q(a);N_GUARD::QAR(A)+B(C)
- R(b);N_GUARD::QAR(A)+B(C),XR(b)
- R(b);N_GUARD::QAR(A)+B(C)
- R(i);N_GUARD::PXB(h)=Q
- P(c);S_CUTQ(a)::QAR(A)+B(C)
- P(e);OGATE,P_SPINP(e),XB(C)::QAR2(A),XP(e)
- Tries
- Try
- S(G);
- Threat
- S(D),XP(d)
- Vars
- R(b);N_GUARD,XS(G)::QAR(A)+B(C)
- R(i);N_GUARD,XS(G)::PXB(h)=Q
- P(e);OGATE,P_SPINP(e),XB(C)::QAR2(A),XP(e)
- Q(a);N_GUARD::R(H)+B(F)
- Q(a);N_GUARD::QAR(A)+B(C)
- P(d);::S(D)
- Refutation
- R(b);
- Try
- S(G);
- Threat
- S(D),XP(d)
- Vars
- Q(a);N_GUARD,XS(G)::QAR(A)+B(C)
- P(e);OGATE,P_SPINP(e),XB(C)::QAR2(A),XP(e)
- R(b);N_GUARD::R(H)+B(F)
- R(b);N_GUARD::QAR(A)+B(C)
- R(i);N_GUARD::PXB(h)=Q
- P(d);::S(D)
- Refutation
- Q(a);
- Try
- B(F);
- Threat
- S(D),XP(d)
- Vars
- Q(a);N_GUARD,XB(F)::QAR(A)+B(C)
- R(b);N_GUARD::R(H)+S(G)
- R(b);N_GUARD::QAR(A)+B(C)
- R(i);N_GUARD::PXB(h)=Q
- P(d);::S(D)
- Refutation
- Q(a);
- Try
- B(F);
- Threat
- S(D),XP(d)
- Vars
- R(b);N_GUARD,XB(F)::QAR(A)+B(C)
- R(i);N_GUARD,XB(F)::PXB(h)=Q
- Q(a);N_GUARD::R(H)+S(G)
- Q(a);N_GUARD::QAR(A)+B(C)
- R(b);N_GUARD::QAR(A)+B(C)
- P(d);::S(D)
- Refutation
- R(b);
- Try
- B(F);
- Threat
- S(D),XP(d)
- Vars
- R(b);N_GUARD,XB(F)::QAR(A)+B(C)
- R(i);N_GUARD,XB(F)::PXB(h)=Q
- Q(a);N_GUARD::R(H)+S(G)
- Q(a);N_GUARD::QAR(A)+B(C)
- R(b);N_GUARD::R(H)+S(G)
- R(b);N_GUARD::QAR(A)+B(C)
- P(d);::S(D)
- Refutation
- P(g);XB(F)
- Try
- P(M);
- Threat
- QAR2(M)
- Vars
- P(e);OGATE,P_SPINP(e),XB(C)::QAR2(A),XP(e)
- Refutation
- B(h);
- Try
- Actual
- S(G);
- Threat
- S(D),XP(d)
- Vars
- P(e);OGATE,P_SPINP(e),XB(C)::QAR2(A),XP(e)
- Q(a);N_GUARD::R(H)+B(F)
- Q(a);N_GUARD::QAR(A)+B(C)
- R(b);N_GUARD::R(H)+B(F)
- R(b);N_GUARD::QAR(A)+B(C)
- P(d);::S(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).