MESON Chess Problem Database
Problem Display
PID: 109440 (1r6/4Q3/2P1p3/pNP1R3/pkP3R1/p2p4/B2P2K1/1n2B3 w - - 0 1)
Strebkovs, Andrejs
Wola Gulowska, 2003
#2
11 + 8
| 5454 | Near Snap | 2009 |
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rb6
- 2.cxb6#
- 1...Sxd2
- 2.Bxd2#
- 1...Sc3
- 2.dxc3#
- 1...Rb6
- Tries
- 1.Sc3?
- 1...Sxc3
- 2.dxc3#
- 1...Rb7
- 2.Qxb7#
- 1...Rb5
- 2.cxb5#
- 1...Rb6
- 2.cxb6#
- 1...Ra8
- 2.Qb7#
- 1...Rc8
- 2.Qb7#
- 1...Rd8
- 2.Qb7#
- 1...Re8
- 2.Qb7#
- 1...Rf8
- 2.Qb7#
- 1...Rg8
- 2.Qb7#
- 1...Rh8
- 2.Qb7#
- 1...Sxd2!
- 1...Sxc3
- 1.Sd4?
- 1...Sxd2
- 2.Bxd2#
- 1...Rb7
- 2.Qxb7#
- 1...Rb6
- 2.cxb6#
- 1...Ra8
- 2.Qb7#
- 1...Rc8
- 2.Qb7#
- 1...Rd8
- 2.Qb7#
- 1...Re8
- 2.Qb7#
- 1...Rf8
- 2.Qb7#
- 1...Rg8
- 2.Qb7#
- 1...Rh8
- 2.Qb7#
- 1...Sc3
- 2.dxc3#
- 1...Rb5!
- 1...Sxd2
- 1.Sd6?
- 1...Sxd2
- 2.Bxd2#
- 1...Rb7
- 2.Qxb7#
- 1...Rb5
- 2.cxb5#
- 1...Ra8
- 2.Qb7#
- 1...Rc8
- 2.Qb7#
- 1...Rd8
- 2.Qb7#
- 1...Re8
- 2.Qb7#
- 1...Rf8
- 2.Qb7#
- 1...Rg8
- 2.Qb7#
- 1...Rh8
- 2.Qb7#
- 1...Sc3
- 2.dxc3#
- 1...Rb6!
- 1...Sxd2
- 1.Sc7?
- threat
- 2.Sa6#
- 1...Sxd2
- 2.Bxd2#
- 1...Rb6
- 2.cxb6#
- 1...Ra8!
- threat
- 1.Qb7?
- 1...Sxd2
- 2.Bxd2#
- 1...Ra8
- 2.Sc3#
- 2.Sd4#
- 2.Sd6#
- 2.Sa7#
- 2.Sc7#
- 1...Rc8
- 2.Sc3#
- 2.Sd4#
- 2.Sd6#
- 2.Sa7#
- 2.Sc7#
- 1...Rd8
- 2.Sc3#
- 2.Sd4#
- 2.Sd6#
- 2.Sa7#
- 2.Sc7#
- 1...Re8
- 2.Sc3#
- 2.Sd4#
- 2.Sd6#
- 2.Sa7#
- 2.Sc7#
- 1...Rf8
- 2.Sc3#
- 2.Sd4#
- 2.Sd6#
- 2.Sa7#
- 2.Sc7#
- 1...Rg8
- 2.Sc3#
- 2.Sd4#
- 2.Sd6#
- 2.Sa7#
- 2.Sc7#
- 1...Rh8
- 2.Sc3#
- 2.Sd4#
- 2.Sd6#
- 2.Sa7#
- 2.Sc7#
- 1...Sc3
- 2.dxc3#
- 1...Rxb7!
- 1...Sxd2
- 1.Sc3?
- Keys
- 1.Sa7!
- 1...Sxd2
- 2.Bxd2#
- 1...Rb7
- 2.Qxb7#
- 1...Rb5
- 2.cxb5#
- 1...Rb6
- 2.cxb6#
- 1...Ra8
- 2.Qb7#
- 1...Rc8
- 2.Qb7#
- 1...Rd8
- 2.Qb7#
- 1...Re8
- 2.Qb7#
- 1...Rf8
- 2.Qb7#
- 1...Rg8
- 2.Qb7#
- 1...Rh8
- 2.Qb7#
- 1...Sc3
- 2.dxc3#
- 1...Sxd2
- 1.Sa7!
Anticipated by 61111(1972)
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 9
- REMOVED MATES = 0
- Sets
- R(h);OGATE::QAB(K)+P(H),XR(h)
- S(a);OGATE,P_SPINS(a),XP(C)::B(A),XS(a)
- S(a);OGATE::P(C),XS(a)
- Tries
- Try
- S(G);
- Vars
- S(a);OGATE,XS(G)::P(C),XS(a)
- R(h);N_GUARD::QAR(K),XR(h)
- R(h);OGATE::R(F)+P(E),XR(h)
- R(h);OGATE::QAB(K)+P(H),XR(h)
- R(h);N_GUARD::QAR(K)
- R(h);N_GUARD,P_PINR(F)::QAR(K)
- Refutation
- S(a);XP(C)
- Try
- S(G);
- Vars
- S(a);OGATE,P_SPINS(a),XP(C)::B(A),XS(a)
- R(h);N_GUARD::QAR(K),XR(h)
- R(h);OGATE::QAB(K)+P(H),XR(h)
- R(h);N_GUARD::QAR(K)
- R(h);N_GUARD,P_PINR(F)::QAR(K)
- S(a);OGATE::P(C),XS(a)
- Refutation
- R(h);
- Try
- S(G);
- Vars
- S(a);OGATE,P_SPINS(a),XP(C)::B(A),XS(a)
- R(h);N_GUARD::QAR(K),XR(h)
- R(h);OGATE::R(F)+P(E),XR(h)
- R(h);N_GUARD::QAR(K)
- R(h);N_GUARD,P_PINR(F)::QAR(K)
- S(a);OGATE::P(C),XS(a)
- Refutation
- R(h);
- Try
- S(G);
- Threat
- S(G)
- Vars
- S(a);OGATE,P_SPINS(a),XP(C)::B(A),XS(a)
- R(h);OGATE::QAB(K)+P(H),XR(h)
- Refutation
- R(h);
- Try
- Q(K);
- Vars
- S(a);OGATE,P_SPINS(a),XP(C)::B(A),XS(a)
- S(a);OGATE::P(C),XS(a)
- Refutation
- R(h);XQ(K)
- Try
- Actual
- S(G);
- Vars
- S(a);OGATE,P_SPINS(a),XP(C)::B(A),XS(a)
- R(h);N_GUARD::QAR(K),XR(h)
- R(h);OGATE::R(F)+P(E),XR(h)
- R(h);OGATE::QAB(K)+P(H),XR(h)
- R(h);N_GUARD::QAR(K)
- R(h);N_GUARD,P_PINR(F)::QAR(K)
- S(a);OGATE::P(C),XS(a)
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).