MESON Chess Problem Database
Problem Display
PID: 274227 (4r3/1p6/nnN1Pp2/1N1k1p2/8/1P6/1pQ5/1B2RK2 w - - 0 1)
Gelitz, Jurgen
Schach, 2024
#2
8 + 8
SOLUTION
- SOUND
- Sets
- 1...Rxe6
- 2.Rd1#
- 1...Re7
- 2.Sxe7#
- 1...Ra8
- 2.Se7#
- 1...Rb8
- 2.Se7#
- 1...Rc8
- 2.Se7#
- 1...Rd8
- 2.Se7#
- 1...Rf8
- 2.Se7#
- 1...Rg8
- 2.Se7#
- 1...Rh8
- 2.Se7#
- 1...Sb4
- 2.Sxb4#
- 1...Sc5
- 2.Sb4#
- 1...Sc7
- 2.Sb4#
- 1...Sb8
- 2.Sb4#
- 1...Sa4
- 2.Qc4#
- 1...Sc4
- 2.Qxc4#
- 1...Sd7
- 2.Qc4#
- 1...Sa8
- 2.Qc4#
- 1...Sc8
- 2.Qc4#
- 1...bxc6
- 2.Qxf5#
- 1...Rxe6
- Tries
- 1.Kf2?
- 1...Rxe6
- 2.Rd1#
- 1...bxc6
- 2.Qxf5#
- 1...Sc5
- 2.Sb4#
- 1...Sc4
- 2.Qxc4#
- 1...Re7
- 2.Sxe7#
- 1...Ra8
- 2.Se7#
- 1...Rb8
- 2.Se7#
- 1...Rc8
- 2.Se7#
- 1...Rd8
- 2.Se7#
- 1...Rf8
- 2.Se7#
- 1...Rg8
- 2.Se7#
- 1...Rh8
- 2.Se7#
- 1...Sb4
- 2.Sxb4#
- 1...Sc7
- 2.Sb4#
- 1...Sb8
- 2.Sb4#
- 1...Sa4
- 2.Qc4#
- 1...Sd7
- 2.Qc4#
- 1...Sa8
- 2.Qc4#
- 1...Sc8
- 2.Qc4#
- 1...f4!
- 1...Rxe6
- 1.Scd4?
- threat
- 2.Qxf5#
- 1...Sc4
- 2.Qxc4#
- 1...f4
- 2.Qf5#
- 1...Sd7
- 2.Qc4#
- 1...Rxe6!
- threat
- 1.Sa5?
- threat
- 2.Qxf5#
- 1...Sc4
- 2.Qxc4#
- 1...f4
- 2.Qf5#
- 1...Sd7
- 2.Qc4#
- 1...Rxe6!
- threat
- 1.Sca7?
- threat
- 2.Qxf5#
- 1...Sc4
- 2.Qxc4#
- 1...f4
- 2.Qf5#
- 1...Sd7
- 2.Qc4#
- 1...Rxe6!
- threat
- 1.Re2?
- 1...Rxe6
- 2.Rd2#
- 1...bxc6
- 2.Qxf5#
- 1...Sc5
- 2.Sb4#
- 1...Sc4
- 2.Qxc4#
- 1...Re7
- 2.Sxe7#
- 1...Ra8
- 2.Se7#
- 1...Rb8
- 2.Se7#
- 1...Rc8
- 2.Se7#
- 1...Rd8
- 2.Se7#
- 1...Rf8
- 2.Se7#
- 1...Rg8
- 2.Se7#
- 1...Rh8
- 2.Se7#
- 1...Sb4
- 2.Sxb4#
- 1...Sc7
- 2.Sb4#
- 1...Sb8
- 2.Sb4#
- 1...Sa4
- 2.Qc4#
- 1...Sd7
- 2.Qc4#
- 1...Sa8
- 2.Qc4#
- 1...Sc8
- 2.Qc4#
- 1...f4!
- 1...Rxe6
- 1.Qc3?
- 1...Rxe6
- 2.Rd1#
- 1...bxc6
- 2.Qd4#
- 1...Sc5
- 2.Sb4#
- 1...Sc4
- 2.Qxc4#
- 1...Re7
- 2.Sxe7#
- 1...Ra8
- 2.Se7#
- 1...Rb8
- 2.Se7#
- 1...Rc8
- 2.Se7#
- 1...Rd8
- 2.Se7#
- 1...Rf8
- 2.Se7#
- 1...Rg8
- 2.Se7#
- 1...Rh8
- 2.Se7#
- 1...Sb4
- 2.Sxb4#
- 1...Sc7
- 2.Sb4#
- 1...Sb8
- 2.Sb4#
- 1...Sa4
- 2.Qc4#
- 1...Sd7
- 2.Qc4#
- 1...Sa8
- 2.Qc4#
- 1...Sc8
- 2.Qc4#
- 1...f4!
- 1...Rxe6
- 1.Qc5+?
- 1...Sxc5
- 2.Sb4#
- 1...Kxc5!
- 1...Sxc5
- 1.Kf2?
- Keys
- 1.b4!
- 1...Rxe6
- 2.Rd1#
- 1...Sxb4
- 2.Sxb4#
- 1...bxc6
- 2.Qd3#
- 1...Sc5
- 2.Qxc5#
- 1...Sc4
- 2.Qg2#
- 1...f4
- 2.Qe4#
- 1...Re7
- 2.Sxe7#
- 1...Ra8
- 2.Se7#
- 1...Rb8
- 2.Se7#
- 1...Rc8
- 2.Se7#
- 1...Rd8
- 2.Se7#
- 1...Rf8
- 2.Se7#
- 1...Rg8
- 2.Se7#
- 1...Rh8
- 2.Se7#
- 1...Sc7
- 2.Qc5#
- 1...Sb8
- 2.Qc5#
- 1...Sa4
- 2.Ba2#
- 1...Sd7
- 2.Ba2#
- 1...Sa8
- 2.Ba2#
- 1...Sc8
- 2.Ba2#
- 1...Rxe6
- 1.b4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 9
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(h);SBLOCK,XP(H)::R(B)
- R(h);N_GUARD::S(G),XR(h)
- R(h);N_GUARD::S(G)
- S(d);N_GUARD::S(G),XS(d)
- S(d);N_GUARD::S(G)
- S(e);N_GUARD::QAB1(D)
- S(e);N_GUARD::QAB1(D),XS(e)
- P(g);SBLOCK,XS(G)::QAR2(D),XP(c)
- Tries
- Try
- K(C);P-FLIGHT
- Vars
- R(h);SBLOCK,XP(H)::R(B)
- P(g);SBLOCK,XS(G)::QAR2(D),XP(c)
- S(d);N_GUARD::S(G)
- S(e);N_GUARD::QAB1(D),XS(e)
- R(h);N_GUARD::S(G),XR(h)
- R(h);N_GUARD::S(G)
- S(d);N_GUARD::S(G),XS(d)
- S(e);N_GUARD::QAB1(D)
- Refutation
- P(c);
- Try
- S(G);
- Threat
- QAR2(D),XP(c)
- Vars
- S(e);N_GUARD::QAB1(D),XS(e)
- P(c);::QAR2(D)
- S(e);N_GUARD::QAB1(D)
- Refutation
- R(h);XP(H)
- Try
- S(G);
- Threat
- QAR2(D),XP(c)
- Vars
- S(e);N_GUARD::QAB1(D),XS(e)
- P(c);::QAR2(D)
- S(e);N_GUARD::QAB1(D)
- Refutation
- R(h);XP(H)
- Try
- S(G);
- Threat
- QAR2(D),XP(c)
- Vars
- S(e);N_GUARD::QAB1(D),XS(e)
- P(c);::QAR2(D)
- S(e);N_GUARD::QAB1(D)
- Refutation
- R(h);XP(H)
- Try
- R(B);
- Vars
- R(h);SBLOCK,XP(H)::R(B)
- P(g);SBLOCK,XS(G)::QAR2(D),XP(c)
- S(d);N_GUARD::S(G)
- S(e);N_GUARD::QAB1(D),XS(e)
- R(h);N_GUARD::S(G),XR(h)
- R(h);N_GUARD::S(G)
- S(d);N_GUARD::S(G),XS(d)
- S(e);N_GUARD::QAB1(D)
- Refutation
- P(c);
- Try
- Q(D);
- Vars
- R(h);SBLOCK,XP(H)::R(B)
- P(g);SBLOCK,XS(G)::QAR1(D)
- S(d);N_GUARD::S(G)
- S(e);N_GUARD::QAB1(D),XS(e)
- R(h);N_GUARD::S(G),XR(h)
- R(h);N_GUARD::S(G)
- S(d);N_GUARD::S(G),XS(d)
- S(e);N_GUARD::QAB1(D)
- Refutation
- P(c);
- Try
- Q(D);CHECK
- Vars
- S(d);SBLOCK,XQ(D)::S(G)
- Refutation
- K(b);P-FLIGHT,XQ(D)
- Try
- Actual
- P(E);
- Vars
- R(h);SBLOCK,XP(H)::R(B)
- S(d);XP(E)::S(G),XS(d)
- P(g);SBLOCK,XS(G)::QAR2(D)
- S(d);N_GUARD::QAR1(D),XS(d)
- S(e);SBLOCK::QAB(D)
- P(c);N_GUARD::QAB1(D)
- R(h);N_GUARD::S(G),XR(h)
- R(h);N_GUARD::S(G)
- S(d);N_GUARD::QAR1(D)
- S(e);N_GUARD::B(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).