MESON Chess Problem Database
Problem Display
PID: 108248 (3R4/2NK3p/4p2r/8/1npkB3/Q3R3/5b2/6B1 w - - 0 1)
Dennis, Charles Edwin
Toronto Globe, 1881
#2
7 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Kc5
- 2.Qa7#
- 1...c3
- 2.Qxc3#
- 1...Kc5
- Tries
- 1.Sxe6+?
- 1...Ke5
- 2.Qc3#
- 1...Rxe6!
- 1...Ke5
- 1.Bh1?
- threat
- 2.Qa7#
- 1...Kc5
- 2.Qa7#
- 1...Bxe3
- 2.Qxe3#
- 1...c3
- 2.Qxc3#
- 1...Sd5
- 2.Sb5#
- 2.Re4#
- 1...Rh5
- 2.Sxe6#
- 1...Sd3
- 2.Re4#
- 1...Sa6
- 2.Kc6#
- 2.Ke7#
- 2.Kc8#
- 2.Ke8#
- 2.Sb5#
- 2.Re4#
- 1...Sc6
- 2.Kxc6#
- 2.Sb5#
- 2.Re4#
- 1...e5!
- threat
- 1.Bg2?
- threat
- 2.Qa7#
- 1...Kc5
- 2.Qa7#
- 1...Bxe3
- 2.Qxe3#
- 1...c3
- 2.Qxc3#
- 1...Sd5
- 2.Sb5#
- 2.Re4#
- 1...Rh5
- 2.Sxe6#
- 1...Sd3
- 2.Re4#
- 1...Sa6
- 2.Kc6#
- 2.Ke7#
- 2.Kc8#
- 2.Ke8#
- 2.Sb5#
- 2.Re4#
- 1...Sc6
- 2.Kxc6#
- 2.Sb5#
- 2.Re4#
- 1...e5!
- threat
- 1.Bf3?
- threat
- 2.Qa7#
- 1...Kc5
- 2.Qa7#
- 1...Bxe3
- 2.Qxe3#
- 1...c3
- 2.Qxc3#
- 1...Sd5
- 2.Sb5#
- 2.Re4#
- 1...Rh5
- 2.Sxe6#
- 1...Sd3
- 2.Re4#
- 1...Sa6
- 2.Kc6#
- 2.Ke7#
- 2.Kc8#
- 2.Ke8#
- 2.Sb5#
- 2.Re4#
- 1...Sc6
- 2.Kxc6#
- 2.Sb5#
- 2.Re4#
- 1...e5!
- threat
- 1.Bg6?
- threat
- 2.Qa7#
- 1...Kc5
- 2.Qa7#
- 1...Bxe3
- 2.Qxe3#
- 1...c3
- 2.Qxc3#
- 1...Sd3
- 2.Re4#
- 1...Sd5
- 2.Sb5#
- 2.Sxe6#
- 2.Re4#
- 1...Sa6
- 2.Kc6#
- 2.Kxe6#
- 2.Ke7#
- 2.Kc8#
- 2.Ke8#
- 2.Re4#
- 1...Sc6
- 2.Kxc6#
- 2.Re4#
- 1...Rh5!
- threat
- 1.Bb7?
- threat
- 2.Qa7#
- 1...Kc5
- 2.Qa7#
- 1...Bxe3
- 2.Qxe3#
- 1...c3
- 2.Qxc3#
- 1...Rh5
- 2.Sxe6#
- 1...Sd3
- 2.Re4#
- 1...Sd5
- 2.Sb5#
- 1...Sa6
- 2.Kc6#
- 2.Ke7#
- 2.Kc8#
- 2.Ke8#
- 2.Sb5#
- 2.Re4#
- 1...Sc6
- 2.Kxc6#
- 1...e5!
- threat
- 1.Ba8?
- threat
- 2.Qa7#
- 1...Kc5
- 2.Qa7#
- 1...Bxe3
- 2.Qxe3#
- 1...c3
- 2.Qxc3#
- 1...Rh5
- 2.Sxe6#
- 1...Sd3
- 2.Re4#
- 1...Sd5
- 2.Sb5#
- 1...Sa6
- 2.Kc6#
- 2.Ke7#
- 2.Kc8#
- 2.Ke8#
- 2.Sb5#
- 2.Re4#
- 1...Sc6
- 2.Kxc6#
- 1...e5!
- threat
- 1.Qa1+?
- 1...Kc5
- 2.Qa7#
- 1...c3
- 2.Qxc3#
- 1...Kxe3!
- 1...Kc5
- 1.Sxe6+?
- Keys
- 1.Bc6!
- threat
- 2.Qa7#
- 1...Kc5
- 2.Qa7#
- 1...Bxe3
- 2.Qxe3#
- 1...Sxc6
- 2.Kxc6#
- 1...c3
- 2.Qxc3#
- 1...Rh5
- 2.Sxe6#
- 1...Sd3
- 2.Re4#
- 1...Sd5
- 2.Sb5#
- 1...Sa6
- 2.Ke7#
- 2.Kc8#
- 2.Ke8#
- 2.Sb5#
- 2.Re4#
- threat
- 1.Bc6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- K(d);P_SPINS(b),S_FLIGHT::QAB(B)
- P(c);::QAB1(B),XP(c)
- Tries
- Try
- S(E);CHECK,XP(e)
- Vars
- K(d);S_FLIGHT::QAB(B)
- Refutation
- R(f);XS(E)
- Try
- B(D);
- Threat
- QAB(B)
- Vars
- K(d);P_SPINS(b),S_FLIGHT::QAB(B)
- B(a);OGATE,P_SPINB(a),XR(C)::QAB1(B),XB(a)
- P(c);::QAB1(B),XP(c)
- R(f);N_GUARD::S(E),XP(e)
- S(b);::R1(C)
- Refutation
- P(e);
- Try
- B(D);
- Threat
- QAB(B)
- Vars
- K(d);P_SPINS(b),S_FLIGHT::QAB(B)
- B(a);OGATE,P_SPINB(a),XR(C)::QAB1(B),XB(a)
- P(c);::QAB1(B),XP(c)
- R(f);N_GUARD::S(E),XP(e)
- S(b);::R1(C)
- Refutation
- P(e);
- Try
- B(D);
- Threat
- QAB(B)
- Vars
- K(d);P_SPINS(b),S_FLIGHT::QAB(B)
- B(a);OGATE,P_SPINB(a),XR(C)::QAB1(B),XB(a)
- P(c);::QAB1(B),XP(c)
- R(f);N_GUARD::S(E),XP(e)
- S(b);::R1(C)
- Refutation
- P(e);
- Try
- B(D);
- Threat
- QAB(B)
- Vars
- K(d);P_SPINS(b),S_FLIGHT::QAB(B)
- B(a);OGATE,P_SPINB(a),XR(C)::QAB1(B),XB(a)
- P(c);::QAB1(B),XP(c)
- S(b);::R1(C)
- Refutation
- R(f);
- Try
- B(D);
- Threat
- QAB(B)
- Vars
- K(d);P_SPINS(b),S_FLIGHT::QAB(B)
- B(a);OGATE,P_SPINB(a),XR(C)::QAB1(B),XB(a)
- P(c);::QAB1(B),XP(c)
- R(f);N_GUARD::S(E),XP(e)
- S(b);::R1(C)
- S(b);::S(E)
- S(b);::R(G)+K(F),XS(b)
- Refutation
- P(e);
- Try
- B(D);
- Threat
- QAB(B)
- Vars
- K(d);P_SPINS(b),S_FLIGHT::QAB(B)
- B(a);OGATE,P_SPINB(a),XR(C)::QAB1(B),XB(a)
- P(c);::QAB1(B),XP(c)
- R(f);N_GUARD::S(E),XP(e)
- S(b);::R1(C)
- S(b);::S(E)
- S(b);::R(G)+K(F),XS(b)
- Refutation
- P(e);
- Try
- Q(B);CHECK
- Vars
- K(d);S_FLIGHT::QAB(B)
- P(c);P_SPINP(c)::QAB1(B),XP(c)
- Refutation
- K(d);P_SPINB(a),S_FLIGHT,XR(C)
- Try
- Actual
- B(D);
- Threat
- QAB(B)
- Vars
- K(d);P_SPINS(b),S_FLIGHT::QAB(B)
- B(a);OGATE,P_SPINB(a),XR(C)::QAB1(B),XB(a)
- S(b);XB(D)::R(G)+K(F),XS(b)
- P(c);::QAB1(B),XP(c)
- R(f);N_GUARD::S(E),XP(e)
- S(b);::R1(C)
- S(b);::S(E)
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).