MESON Chess Problem Database
Problem Display
PID: 35723 (2R3r1/K2p4/2p2Q2/pkp1BN1R/p3nP2/P2P4/6r1/8 w - - 0 1)
Lewis, Gregory
Maeder, Thomas
idee & form, 1993
#2
9 + 9
| 3454 | kunstschach (1987-1996) (Hoffmann) | 2001 |
SOLUTION
- SOUND
- Sets
- 1...Rg3
- 2.Rb8#
- 1...Rg4
- 2.Rb8#
- 1...Rg5
- 2.Rb8#
- 1...Rg6
- 2.Rb8#
- 1...Rg7
- 2.Rb8#
- 1...Sd2
- 2.Sd6#
- 1...Sf2
- 2.Sd6#
- 1...Sc3
- 2.Sd6#
- 1...Sg3
- 2.Sd6#
- 1...Sg5
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Sxf6
- 2.Sd6#
- 1...d5
- 2.Qxc6#
- 1...Rg3
- Tries
- 1.Bb2?
- threat
- 2.Sd4#
- 1...R8g5
- 2.Rb8#
- 1...Sg5
- 2.Sd6#
- 1...d5
- 2.Qxc6#
- 1...R2g5!
- threat
- 1.Bc3?
- threat
- 2.Sd4#
- 1...R8g5
- 2.Rb8#
- 1...Sg5
- 2.Sd6#
- 1...d5
- 2.Qxc6#
- 1...R2g5!
- threat
- 1.Bd6?
- threat
- 2.Sd4#
- 1...R2g5
- 2.Qb2#
- 1...R8g5
- 2.Rb8#
- 1...Sg5!
- threat
- 1.Bc7?
- threat
- 2.Sd4#
- 1...R2g5
- 2.Qb2#
- 1...R8g5
- 2.Rb8#
- 1...Sg5
- 2.Sd6#
- 1...d5!
- threat
- 1.Bb8?
- threat
- 2.Sd4#
- 1...R2g5
- 2.Qb2#
- 1...Sg5
- 2.Sd6#
- 1...d5
- 2.Qxc6#
- 1...R8g5!
- threat
- 1.Qd8?
- threat
- 2.Rb8#
- 2.Qb6#
- 1...c4
- 2.Qb6#
- 1...Sd6
- 2.Sxd6#
- 2.Qb6#
- 1...Rxd8!
- threat
- 1.Qd6?
- threat
- 2.Qb8#
- 1...Sxd6
- 2.Sxd6#
- 1...c4
- 2.Sd4#
- 1...Rxc8!
- threat
- 1.Qf7?
- threat
- 2.Qc4#
- 1...c4
- 2.Qxc4#
- 1...Sd2
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...d5
- 2.Qb7#
- 1...Rc2!
- threat
- 1.Qf8?
- threat
- 2.Rb8#
- 1...Sd6
- 2.Sxd6#
- 1...Rxf8!
- threat
- 1.Bb2?
- Keys
- 1.Ba1!
- threat
- 2.Sd4#
- 1...R2g5
- 2.Qb2#
- 1...R8g5
- 2.Rb8#
- 1...Sg5
- 2.Sd6#
- 1...d5
- 2.Qxc6#
- threat
- 1.Ba1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 10
- Sets
- R(i);N_GUARD::R(I)
- S(c);N_GUARD::S(E)
- S(c);N_GUARD::S(E),XS(c)
- S(c);N_GUARD,XQ(G)::S(E)
- P(h);N_GUARD::QAB1(G),XP(g)
- Tries
- Try
- B(D);
- Threat
- S(E)
- Vars
- R(i);N_GUARD::R(I)
- S(c);N_GUARD::S(E)
- P(h);N_GUARD::QAB1(G),XP(g)
- Refutation
- R(a);
- Try
- B(D);
- Threat
- S(E)
- Vars
- R(i);N_GUARD::R(I)
- S(c);N_GUARD::S(E)
- P(h);N_GUARD::QAB1(G),XP(g)
- Refutation
- R(a);
- Try
- B(D);
- Threat
- S(E)
- Vars
- R(a);N_GUARD::QAR(G)
- R(i);N_GUARD::R(I)
- Refutation
- S(c);
- Try
- B(D);
- Threat
- S(E)
- Vars
- R(a);N_GUARD::QAR(G)
- R(i);N_GUARD::R(I)
- S(c);N_GUARD::S(E)
- Refutation
- P(h);
- Try
- B(D);
- Threat
- S(E)
- Vars
- R(a);N_GUARD::QAR(G)
- S(c);N_GUARD::S(E)
- P(h);N_GUARD::QAB1(G),XP(g)
- Refutation
- R(i);
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- P(f);::QAR1(G)
- Refutation
- R(i);XQ(G)
- Try
- Q(G);
- Threat
- QAR(G)
- Vars
- S(c);XQ(G)::S(E),XS(c)
- P(f);N_GUARD::S(E)
- Refutation
- R(i);XR(I)
- Try
- Q(G);
- Threat
- QAB1(G)
- Vars
- P(f);::QAB1(G),XP(f)
- S(c);N_GUARD::S(E)
- S(c);N_GUARD::S(E),XS(c)
- P(h);OGATE::QAR2(G)
- Refutation
- R(a);
- Try
- Q(G);
- Threat
- R(I)
- Vars
- S(c);N_GUARD::S(E),XS(c)
- Refutation
- R(i);XQ(G)
- Try
- Actual
- B(D);
- Threat
- S(E)
- Vars
- R(a);N_GUARD::QAR(G)
- R(i);N_GUARD::R(I)
- S(c);N_GUARD::S(E)
- P(h);N_GUARD::QAB1(G),XP(g)
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).