MESON Chess Problem Database
Problem Display
PID: 85426 (r7/5R2/1p6/1QrN2p1/2P1k3/4P3/3nP1K1/B7 w - - 0 1)
Muller, Dieter
7th Comm., Wola Gulowska, 1992
#2
8 + 6
| 15345 | Wola Gulowska Award | 1992 |
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rxa1
- 2.Qe8#
- 1...Ra2
- 2.Qe8#
- 1...Ra3
- 2.Qe8#
- 1...Ra4
- 2.Qe8#
- 1...Ra5
- 2.Qe8#
- 1...Ra6
- 2.Qe8#
- 1...Re8
- 2.Qxe8#
- 1...Sb1
- 2.Qxb1#
- 1...Sf1
- 2.Qb1#
- 1...Sf3
- 2.Qb1#
- 1...g4
- 2.Rf4#
- 1...Rxa1
- Tries
- 1.Rf3?
- threat
- 2.Sf6#
- 1...Rxd5
- 2.Qxd5#
- 1...Rxa1
- 2.Qe8#
- 1...Sxf3
- 2.Qb1#
- 1...Rc6
- 2.Sc3#
- 1...Rf8!
- threat
- 1.Qd7?
- threat
- 2.Re7#
- 2.Qg4#
- 2.Qf5#
- 2.Qe6#
- 2.Qe7#
- 1...Rxc4
- 2.Re7#
- 2.Qf5#
- 2.Qe6#
- 1...Rxa1
- 2.Re7#
- 2.Qf5#
- 2.Qe6#
- 2.Qe8#
- 2.Qe7#
- 1...Sxc4
- 2.Qf5#
- 1...Rc6
- 2.Qg4#
- 2.Qf5#
- 1...Rc7
- 2.Re7#
- 2.Qg4#
- 2.Qf5#
- 2.Qe6#
- 1...Ra7
- 2.Re7#
- 2.Qg4#
- 2.Qf5#
- 2.Qe6#
- 1...Re8
- 2.Qg4#
- 2.Qf5#
- 2.Qxe8#
- 1...Sf3
- 2.Qg4#
- 2.Qf5#
- 1...g4
- 2.Rf4#
- 2.Re7#
- 2.Qxg4#
- 2.Qf5#
- 2.Qe6#
- 2.Qe7#
- 1...Rxd5!
- threat
- 1.Qb2?
- threat
- 2.Qd4#
- 2.Qe5#
- 2.Qc2#
- 1...Rxc4
- 2.Qe5#
- 1...Rxa1
- 2.Qd4#
- 1...Sxc4
- 2.Qd4#
- 1...Ra2
- 2.Qd4#
- 2.Qe5#
- 1...Ra3
- 2.Qd4#
- 2.Qe5#
- 1...Re8
- 2.Qd4#
- 2.Qc2#
- 1...Sb3
- 2.Qe5#
- 2.Qb1#
- 2.Qc2#
- 1...Sf3
- 2.Qb1#
- 2.Qc2#
- 1...Rxd5!
- threat
- 1.Qxc5?
- threat
- 2.Sc3#
- 2.Sf6#
- 2.Qd4#
- 2.Qe7#
- 1...Sxc4
- 2.Sc3#
- 2.Sf6#
- 2.Qd4#
- 2.Qxc4#
- 1...Ra3
- 2.Sf6#
- 2.Qd4#
- 2.Qe7#
- 1...Ra7
- 2.Sc3#
- 2.Sf6#
- 2.Qd4#
- 1...Re8
- 2.Sc3#
- 2.Sf6#
- 2.Qd4#
- 1...Sb1
- 2.Sf6#
- 2.Qd4#
- 2.Qe7#
- 1...Sb3
- 2.Sc3#
- 2.Sf6#
- 2.Qe7#
- 1...Sf3
- 2.Sc3#
- 2.Sf6#
- 1...bxc5!
- threat
- 1.Rf3?
- Keys
- 1.Bd4!
- threat
- 2.Sc3#
- 1...Rxc4
- 2.Sf6#
- 1...Rxd5
- 2.Qxd5#
- 1...Ra3
- 2.Qe8#
- 1...Sb1
- 2.Qxb1#
- threat
- 1.Bd4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 9
- Sets
- R(f);N_GUARD,XB(A)::QAR(F)
- R(f);N_GUARD::QAR(F)
- R(f);N_GUARD::QAR(F),XR(f)
- S(a);N_GUARD::QAB(F),XS(a)
- S(a);N_GUARD::QAB(F)
- P(d);N_GUARD::R1(H)
- Tries
- Try
- R(H);
- Threat
- S(G)
- Vars
- R(c);OGATE,XS(G)::QAB1(F),XR(c)
- R(f);N_GUARD,XB(A)::QAR(F)
- S(a);N_GUARD,XR(H)::QAB(F)
- R(c);::S(G)
- Refutation
- R(f);
- Try
- Q(F);
- Threat
- DUALS(5)
- Vars
- S(a);XP(E)::QAB1(F)
- Refutation
- R(c);XS(G)
- Try
- Q(F);
- Threat
- DUALS(3)
- Vars
- R(c);XP(E)::QAR1(F)
- R(f);XB(A)::QAR1(F)
- S(a);XP(E)::QAR1(F)
- Refutation
- R(c);XS(G)
- Try
- Q(F);XR(c)
- Threat
- DUALS(4)
- Refutation
- P(e);XQ(F)
- Try
- Actual
- B(A);
- Threat
- S(G)
- Vars
- R(c);XP(E)::S(G)
- R(c);OGATE,XS(G)::QAB1(F),XR(c)
- R(f);N_GUARD::QAR(F)
- S(a);N_GUARD::QAB(F),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).