MESON Chess Problem Database
Problem Display
PID: 107728 (8/2B5/2p1B2Q/K1knP3/3p2R1/5n2/3P4/8 w - - 0 1)
Benoit, Marc
La Presse, 1943
#2
7 + 5
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Sc3
- 2.Bb6#
- 2.Bd6#
- 2.Qf8#
- 1...Se3
- 2.Bb6#
- 2.Bd6#
- 2.Qf8#
- 1...Sb4
- 2.Bb6#
- 2.Bd6#
- 2.Qf8#
- 1...Sf4
- 2.Bb6#
- 2.Bd6#
- 2.Qf8#
- 1...Sb6
- 2.Bxb6#
- 2.Bd6#
- 2.Qf8#
- 1...Sf6
- 2.Bb6#
- 2.Bd6#
- 2.Qf8#
- 1...Sxc7
- 2.Qf8#
- 1...Se7
- 2.Bb6#
- 2.Bd6#
- 1...d3
- 2.Bd6#
- 1...Sc3
- Tries
- 1.Bb6+?
- 1...Sxb6
- 2.Qf8#
- 1...Kc4!
- 1...Sxb6
- 1.Qf4?
- 1...Sxd2
- 2.Qxd4#
- 1...Sxe5
- 2.Qxd4#
- 1...Sxf4
- 2.Bb6#
- 2.Bd6#
- 1...Sxc7
- 2.Qf8#
- 1...Se1
- 2.Qxd4#
- 1...Sg1
- 2.Qxd4#
- 1...Sh2
- 2.Qxd4#
- 1...Sh4
- 2.Qxd4#
- 1...Sg5
- 2.Qxd4#
- 1...Sc3
- 2.Bb6#
- 2.Bd6#
- 2.Qf8#
- 1...Se3
- 2.Bb6#
- 2.Bd6#
- 2.Qf8#
- 1...Sb4
- 2.Bb6#
- 2.Bd6#
- 2.Qf8#
- 1...Sb6
- 2.Bxb6#
- 2.Bd6#
- 2.Qf8#
- 1...Sf6
- 2.Bb6#
- 2.Bd6#
- 1...Se7
- 2.Bb6#
- 2.Bd6#
- 1...d3
- 2.Bd6#
- 2.Qc4#
- 1...Kc4!
- 1...Sxd2
- 1.Qf8+?
- 1...Se7
- 2.Bb6#
- 2.Bd6#
- 2.Qxe7#
- 1...Kc4!
- 1...Se7
- 1.d3?
- threat
- 2.Bd6#
- 1...Sxc7
- 2.Qc1#
- 2.Qf8#
- 1...Sxe5!
- threat
- 1.Bb6+?
- Keys
- 1.Qe3!
- 1...Kc4
- 2.Qc3#
- 1...Sxd2
- 2.Qxd4#
- 1...Sxe5
- 2.Qxd4#
- 1...Sxe3
- 2.Bb6#
- 2.Bd6#
- 1...Sxc7
- 2.Qa3#
- 1...dxe3
- 2.Bd6#
- 1...Se1
- 2.Qxd4#
- 1...Sg1
- 2.Qxd4#
- 1...Sh2
- 2.Qxd4#
- 1...Sh4
- 2.Qxd4#
- 1...Sg5
- 2.Qxd4#
- 1...Sc3
- 2.Bb6#
- 2.Bd6#
- 1...Sb4
- 2.Bb6#
- 2.Bd6#
- 1...Sf4
- 2.Bb6#
- 2.Bd6#
- 2.Qa3#
- 1...Sb6
- 2.Bxb6#
- 2.Bd6#
- 2.Qa3#
- 1...Sf6
- 2.Bb6#
- 2.Bd6#
- 2.Qa3#
- 1...Se7
- 2.Bb6#
- 2.Bd6#
- 2.Qa3#
- 1...Kc4
- 1.Qe3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 9
- REMOVED MATES = 1
- Sets
- S(d);N_GUARD,XB(G)::QAB(F)
- P(b);::B(G)
- Tries
- Try
- B(G);CHECK
- Vars
- S(d);XB(G)::QAB(F)
- Refutation
- K(c);P-FLIGHT,P_SPINP(b),P_SPINS(d)
- Try
- Q(F);
- Vars
- S(a);N_GUARD,XP(A)::QAB1(F),XP(b)
- S(a);N_GUARD,XP(D)::QAB1(F),XP(b)
- S(d);N_GUARD,XB(G)::QAB(F)
- S(a);N_GUARD::QAB1(F),XP(b)
- Refutation
- K(c);P-FLIGHT,P_SPINP(b),P_SPINS(d)
- Try
- Q(F);CHECK
- Refutation
- K(c);P-FLIGHT,P_SPINP(b),P_SPINS(d)
- Try
- P(A);
- Threat
- B(G)
- Refutation
- S(a);XP(D)
- Try
- Actual
- Q(F);P_PINP(b)
- Vars
- K(c);P-FLIGHT,P_SPINS(d)::QAR1(F)
- S(a);N_GUARD,XP(A)::QAB1(F),XP(b)
- S(a);N_GUARD,XP(D)::QAB1(F),XP(b)
- S(d);N_GUARD,XB(G)::QAB(F)
- P(b);N_SPINP(b),XQ(F)::B(G)
- S(a);N_GUARD::QAB1(F),XP(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).