MESON Chess Problem Database
Problem Display
PID: 227887 (R4N2/Qpk3n1/p2p4/b3N3/Rp3p2/5K2/8/8 w - - 0 1)
Wolanski, Eustachy
Revista de Sah, 1926
#2
6 + 8
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Bb6
- 2.Qb8#
- 1...Sf5
- 2.Se6#
- 1...Sh5
- 2.Se6#
- 1...Se6
- 2.Sxe6#
- 1...Se8
- 2.Se6#
- 1...b3
- 2.Rc4#
- 1...dxe5
- 2.Qc5#
- 1...d5
- 2.Qc5#
- 1...Bb6
- Tries
- 1.Ke2?
- 1...dxe5
- 2.Qc5#
- 1...d5
- 2.Qc5#
- 1...Bb6
- 2.Qb8#
- 1...Sf5
- 2.Se6#
- 1...Sh5
- 2.Se6#
- 1...Se6
- 2.Sxe6#
- 1...Se8
- 2.Se6#
- 1...b3
- 2.Rc4#
- 1...f3+!
- 1...dxe5
- 1.Kg2?
- 1...dxe5
- 2.Qc5#
- 1...d5
- 2.Qc5#
- 1...Bb6
- 2.Qb8#
- 1...Sf5
- 2.Se6#
- 1...Sh5
- 2.Se6#
- 1...Se6
- 2.Sxe6#
- 1...Se8
- 2.Se6#
- 1...b3
- 2.Rc4#
- 1...f3+!
- 1...dxe5
- 1.Kg4?
- 1...dxe5
- 2.Qc5#
- 1...d5
- 2.Qc5#
- 1...Bb6
- 2.Qb8#
- 1...Sf5
- 2.Se6#
- 1...Sh5
- 2.Se6#
- 1...Se6
- 2.Sxe6#
- 1...Se8
- 2.Se6#
- 1...b3
- 2.Rc4#
- 1...f3!
- 1...dxe5
- 1.Ra1?
- threat
- 2.Rc1#
- 1...dxe5
- 2.Qc5#
- 1...d5
- 2.Qc5#
- 1...Bb6
- 2.Qb8#
- 1...Se6
- 2.Sxe6#
- 1...b3!
- threat
- 1.Ra2?
- threat
- 2.Rc2#
- 1...dxe5
- 2.Qc5#
- 1...d5
- 2.Qc5#
- 1...Bb6
- 2.Qb8#
- 1...Se6
- 2.Sxe6#
- 1...b3!
- threat
- 1.Rxb4?
- threat
- 2.Rc4#
- 2.Rxb7#
- 2.Qb8#
- 2.Qxb7#
- 1...dxe5
- 2.Qc5#
- 1...d5
- 2.Qc5#
- 2.Qb8#
- 1...Bb6
- 2.Qxb6#
- 2.Qb8#
- 1...Se6
- 2.Sxe6#
- 2.Rxb7#
- 2.Qb8#
- 2.Qxb7#
- 1...Bxb4!
- threat
- 1.Rxa5?
- 1...dxe5
- 2.Qc5#
- 1...d5
- 2.Qc5#
- 1...Sf5
- 2.Se6#
- 1...Sh5
- 2.Se6#
- 1...Se6
- 2.Sxe6#
- 1...Se8
- 2.Se6#
- 1...b3!
- 1...dxe5
- 1.Re8?
- 1...dxe5
- 2.Qc5#
- 1...d5
- 2.Qc5#
- 1...Bb6
- 2.Qb8#
- 1...Sf5
- 2.Se6#
- 1...Sh5
- 2.Se6#
- 1...Se6
- 2.Sxe6#
- 1...b3
- 2.Rc4#
- 1...Sxe8!
- 1...dxe5
- 1.Ke2?
- Keys
- 1.Qg1!
- 1...dxe5
- 2.Qc5#
- 1...d5
- 2.Qc5#
- 1...b5
- 2.Qa7#
- 1...b6
- 2.Qxg7#
- 1...Bb6
- 2.Qxg7#
- 1...Sf5
- 2.Se6#
- 1...Sh5
- 2.Se6#
- 1...Se6
- 2.Sxe6#
- 1...Se8
- 2.Se6#
- 1...b3
- 2.Rc4#
- 1...dxe5
- 1.Qg1!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- B(c);SBLOCK::QAB1(D)
- S(h);N_GUARD::S(F)
- S(h);N_GUARD::S(F),XS(h)
- P(a);OGATE::R(B)
- P(e);N_GUARD,XS(C)::QAR2(D)
- P(e);N_GUARD::QAR2(D)
- Tries
- Try
- K(A);S_FLIGHT
- Vars
- P(e);N_GUARD,XS(C)::QAR2(D)
- P(e);N_GUARD::QAR2(D)
- B(c);SBLOCK::QAB1(D)
- S(h);N_GUARD::S(F)
- S(h);N_GUARD::S(F),XS(h)
- P(a);OGATE::R(B)
- Refutation
- P(b);CHECK
- Try
- K(A);S_FLIGHT
- Vars
- P(e);N_GUARD,XS(C)::QAR2(D)
- P(e);N_GUARD::QAR2(D)
- B(c);SBLOCK::QAB1(D)
- S(h);N_GUARD::S(F)
- S(h);N_GUARD::S(F),XS(h)
- P(a);OGATE::R(B)
- Refutation
- P(b);CHECK
- Try
- K(A);S_FLIGHT
- Vars
- P(e);N_GUARD,XS(C)::QAR2(D)
- P(e);N_GUARD::QAR2(D)
- B(c);SBLOCK::QAB1(D)
- S(h);N_GUARD::S(F)
- S(h);N_GUARD::S(F),XS(h)
- P(a);OGATE::R(B)
- Refutation
- P(b);
- Try
- R(B);
- Threat
- R(B)
- Vars
- P(e);N_GUARD,XS(C)::QAR2(D)
- P(e);N_GUARD::QAR2(D)
- B(c);SBLOCK::QAB1(D)
- S(h);N_GUARD::S(F),XS(h)
- Refutation
- P(a);
- Try
- R(B);
- Threat
- R(B)
- Vars
- P(e);N_GUARD,XS(C)::QAR2(D)
- P(e);N_GUARD::QAR2(D)
- B(c);SBLOCK::QAB1(D)
- S(h);N_GUARD::S(F),XS(h)
- Refutation
- P(a);
- Try
- R(B);XP(a)
- Threat
- DUALS(4)
- Vars
- P(e);N_GUARD,XS(C)::QAR2(D)
- Refutation
- B(c);XR(B)
- Try
- R(B);XB(c)
- Vars
- P(e);N_GUARD,XS(C)::QAR2(D)
- P(e);N_GUARD::QAR2(D)
- S(h);N_GUARD::S(F)
- S(h);N_GUARD::S(F),XS(h)
- Refutation
- P(a);
- Try
- R(E);
- Vars
- P(e);N_GUARD,XS(C)::QAR2(D)
- P(e);N_GUARD::QAR2(D)
- B(c);SBLOCK::QAB1(D)
- S(h);N_GUARD::S(F)
- S(h);N_GUARD::S(F),XS(h)
- P(a);OGATE::R(B)
- Refutation
- S(h);XR(E)
- Try
- Actual
- Q(D);N_PINP(f)
- Vars
- P(e);N_GUARD,XS(C)::QAR2(D)
- P(e);N_GUARD::QAR2(D)
- P(f);OGATEB::QAR2(D)
- P(f);SBLOCK::QAR(D),XS(h)
- B(c);SBLOCK::QAR(D),XS(h)
- S(h);N_GUARD::S(F)
- S(h);N_GUARD::S(F),XS(h)
- P(a);OGATE::R(B)
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).