MESON Chess Problem Database
Problem Display
PID: 214445 (8/8/3n4/rP2n3/pbp5/k1N2R2/PN1p3p/KQ6 w - - 0 1)
Bennett, Frank Harper
Chess Chips, 1878
#2
7 + 9
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Rxb5
- 2.Sxb5#
- 1...Sxb5
- 2.Sxb5#
- 1...Rxb5
- Tries
- 1.Qc2?
- threat
- 2.Sb1#
- 1...Bxc3
- 2.Qxc3#
- 1...Bc5!
- threat
- 1.Qd3?
- threat
- 2.Sb1#
- 1...Bxc3
- 2.Qxc3#
- 2.Qxd6#
- 1...Bc5!
- threat
- 1.Qg6?
- threat
- 2.Sb1#
- 1...Bxc3
- 2.Qxd6#
- 1...Bc5!
- threat
- 1.Qc1?
- threat
- 2.Sxc4#
- 2.Sb1#
- 1...dxc1Q+
- 2.Sb1#
- 1...dxc1R+
- 2.Sb1#
- 1...Bxc3
- 2.Qxc3#
- 1...dxc1S
- 2.Sb1#
- 1...dxc1B
- 2.Sb1#
- 1...Bc5!
- threat
- 1.Qc2?
- Keys
- 1.Qg1!
- threat
- 2.Sb1#
- 1...Bxc3
- 2.Qc5#
- 1...Bc5
- 2.Qxc5#
- threat
- 1.Qg1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 2
- Sets
- R(g);XP(G)::R(F)+S(E),DCHECK,XR(g)
- S(i);XP(G)::R(F)+S(E),DCHECK,XS(i)
- Tries
- Try
- Q(B);
- Threat
- R(F)+S(E),DCHECK
- Vars
- B(e);OGATE,P_PINS(D),P_SPINB(e),XS(E)::QAR2(B),XB(e)
- Refutation
- B(e);
- Try
- Q(B);
- Threat
- QAR(B)+S(E),DCHECK
- Refutation
- B(e);
- Try
- Q(B);
- Threat
- R(F)+S(E),DCHECK
- Vars
- B(e);OGATEB,P_PINS(D),P_SPINB(e),XS(E)::QAB(B),XS(i)
- Refutation
- B(e);
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- P(a);CHECK,XQ(B)::R(F)+S(E),DCHECK
- B(e);OGATE,P_PINS(D),P_SPINB(e),XS(E)::QAR2(B),XB(e)
- P(a);XQ(B)::R(F)+S(E),DCHECK
- Refutation
- B(e);
- Try
- Actual
- Q(B);
- Threat
- R(F)+S(E),DCHECK
- Vars
- B(e);OGATEB,P_PINS(D),P_SPINB(e),XS(E)::QAB(B)
- B(e);OGATEB::QAB(B),XB(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).