MESON Chess Problem Database
Problem Display
PID: 103181 (1B4Q1/2r3N1/2p5/2p3pR/2rn2kP/2pK1R1p/4NpPP/3B1n2 w - - 0 1)
Markovtsy, Vassyl Yuriovich
2nd Prize, Pituk-100 JT, 2004-2005
#2
11 + 11
| 6490 | yacpdb | 2009 |
| 15323 | FIDE Album (2004-2006) | 2013 |
| 230 | Sachove umeni (Ceskoslovensky sach) | 2014 |
| 56 | The Problemist | 2014 |
SOLUTION
- SOUND
- Sets
- 1...Sd2
- 2.Rg3#
- 1...Sxh2
- 2.Rg3#
- 1...Se3
- 2.Rg3#
- 1...Sg3
- 2.Rxg3#
- 1...Sc2
- 2.Qe6#
- 1...Sxe2
- 2.Qe6#
- 1...Sb3
- 2.Qe6#
- 1...Sxf3
- 2.Qe6#
- 1...Sb5
- 2.Qe6#
- 1...Se6
- 2.Qxe6#
- 1...gxh4
- 2.Rf4#
- 1...Sd2
- Tries
- 1.Sc1?
- threat
- 2.gxh3#
- 1...Rxg7
- 2.Rf4#
- 1...Sxf3
- 2.Qxc4#
- 1...hxg2
- 2.h3#
- 1...Se2
- 2.Qe6#
- 1...Sg3!
- threat
- 1.Sg1?
- threat
- 2.gxh3#
- 1...Rxg7
- 2.Rf4#
- 1...Sxf3
- 2.Qxc4#
- 1...hxg2
- 2.h3#
- 1...fxg1S!
- threat
- 1.Re3?
- threat
- 2.Re4#
- 2.gxh3#
- 1...Rxg7
- 2.Sxd4#
- 1...Sxe2
- 2.Qxc4#
- 1...hxg2
- 2.h3#
- 1...Sg3
- 2.Rxg3#
- 1...Re7
- 2.Sxd4#
- 2.gxh3#
- 1...Rf7
- 2.gxh3#
- 1...Sd2
- 2.Rg3#
- 2.gxh3#
- 1...Sc2
- 2.Qe6#
- 2.gxh3#
- 1...Sb3
- 2.Qe6#
- 2.gxh3#
- 1...Sf3
- 2.Qe6#
- 2.gxf3#
- 1...Sb5
- 2.Qe6#
- 2.gxh3#
- 1...Sf5
- 2.gxh3#
- 1...Se6
- 2.Qxe6#
- 2.gxh3#
- 1...Sxe3!
- threat
- 1.Qe6+?
- 1...Sf5
- 2.Qxf5#
- 1...Sxe6!
- 1...Sf5
- 1.Qf7?
- threat
- 2.gxh3#
- 1...Sxf3
- 2.Qe6#
- 2.Qxf3#
- 2.Qf5#
- 2.gxf3#
- 1...hxg2
- 2.h3#
- 1...Sg3
- 2.Rxg3#
- 1...Sf5
- 2.Qxf5#
- 1...Rxf7!
- threat
- 1.Qh7?
- threat
- 2.Rxg5#
- 2.Qe4#
- 1...Sxe2
- 2.Rxg5#
- 2.Qf5#
- 1...Sxf3
- 2.Qf5#
- 1...hxg2
- 2.Qe4#
- 1...gxh4
- 2.Rf4#
- 2.Qe4#
- 2.Qg6#
- 1...Sg3
- 2.Rxg3#
- 2.Rxg5#
- 1...Re7
- 2.Rxg5#
- 1...Rf7
- 2.Rxg5#
- 1...Sd2
- 2.Rg3#
- 2.Rxg5#
- 1...Sc2
- 2.Rxg5#
- 2.Qf5#
- 1...Sb3
- 2.Rxg5#
- 2.Qf5#
- 1...Sb5
- 2.Rxg5#
- 2.Qf5#
- 1...Sf5
- 2.Rxg5#
- 2.Qxf5#
- 1...Se6
- 2.Qf5#
- 1...Rxg7!
- threat
- 1.Sc1?
- Keys
- 1.Rxh3!
- threat
- 2.Rxg5#
- 1...Rxg7
- 2.Sxd4#
- 1...Sxe2
- 2.Qxc4#
- 1...gxh4
- 2.R3xh4#
- 1...Sf3
- 2.Qe6#
- 1...Se6
- 2.Qxe6#
- threat
- 1.Rxh3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 7
- Sets
- S(a);N_GUARD::R1(F)
- S(a);N_GUARD,XP(D)::R1(F)
- S(a);N_GUARD::R1(F),XS(a)
- S(f);N_GUARD::QAB(K)
- S(f);N_GUARD,XS(B)::QAB(K)
- S(f);N_GUARD,XR(F)::QAB(K)
- S(f);N_GUARD::QAB(K),XS(f)
- P(i);N_GUARD,XP(G)::R1(F)
- Tries
- Try
- S(B);
- Threat
- P(C),XP(d)
- Vars
- R(k);XS(I)::B(A)+R(F),DCHECK
- S(f);OGATEB,P_SPINS(f),XR(F)::QAR(K),XR(e)
- P(d);OGATE,XP(C)::P(D)
- S(f);N_GUARD::QAB(K)
- Refutation
- S(a);
- Try
- S(B);
- Threat
- P(C),XP(d)
- Vars
- R(k);XS(I)::B(A)+R(F),DCHECK
- S(f);OGATEB,P_SPINS(f),XR(F)::QAR(K),XR(e)
- P(d);OGATE,XP(C)::P(D)
- Refutation
- P(b);XS(B)
- Try
- R(F);
- Threat
- DUALS(2)
- Vars
- R(k);XS(I)::B(A)+S(B),XS(f)
- S(f);OGATEB,P_SPINS(f),XS(B)::QAR(K),XR(e)
- P(d);OGATE,XP(C)::P(D)
- S(a);N_GUARD::R1(F),XS(a)
- R(k);::P(C),XP(d)
- S(f);::P(C),XP(d)
- Refutation
- S(a);XR(F)
- Try
- Q(K);CHECK
- Vars
- S(f);N_GUARD,P_SPINS(f)::QAB1(K),XS(f)
- Refutation
- S(f);XQ(K)
- Try
- Q(K);
- Threat
- P(C),XP(d)
- Vars
- P(d);OGATE,XP(C)::P(D)
- S(a);N_GUARD::R1(F),XS(a)
- S(f);N_GUARD::QAB1(K),XS(f)
- Refutation
- R(k);XQ(K)
- Try
- Q(K);
- Threat
- DUALS(2)
- Vars
- S(f);N_GUARD,XR(F)::QAB1(K)
- P(d);XP(C)::QAR2(K)
- R(k);::R1(H),XP(i)
- S(f);N_GUARD::QAB1(K)
- Refutation
- R(k);XS(I)
- Try
- Actual
- R(F);XP(d)
- Threat
- R1(H),XP(i)
- Vars
- R(k);XS(I)::B(A)+S(B),XS(f)
- S(f);OGATEB,P_SPINS(f),XS(B)::QAR(K),XR(e)
- P(i);OGATE,XP(G)::R1(F),XP(i)
- S(f);N_GUARD::QAB(K)
- S(f);N_GUARD::QAB(K),XS(f)
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).