MESON Chess Problem Database
Problem Display
PID: 56426 (1B2KR2/r1p2pr1/1p1Pk1P1/P2R2pN/2B5/3N4/Q3pq2/8 w - - 0 1)
Reeves, Alfred Christopher
Problem Observer, 2005
#2
11 + 9
SOLUTION
- SOUND
- Sets
- 1...cxd6
- 2.Re5#
- 1...c5
- 2.Rxc5#
- 2.Re5#
- 2.Rxg5#
- 1...c6
- 2.Rb5#
- 2.Rc5#
- 2.Re5#
- 2.Rxg5#
- 1...fxg6
- 2.Sxg7#
- 2.Rd4#
- 1...f5
- 2.Sxg7#
- 2.Rd4#
- 2.Rf6#
- 1...f6
- 2.Sxg7#
- 1...cxd6
- Tries
- 1.Qa1?
- threat
- 2.Sxg7#
- 2.Qe5#
- 1...Rxg6
- 2.Qe5#
- 1...cxd6
- 2.Sxg7#
- 2.Re5#
- 1...e1Q
- 2.Sxg7#
- 1...e1R
- 2.Sxg7#
- 1...Qe3
- 2.Sxg7#
- 2.Qf6#
- 1...Qg3
- 2.Sxg7#
- 2.Qf6#
- 1...Qh2
- 2.Sxg7#
- 2.Qf6#
- 1...Qf4
- 2.Sxg7#
- 1...Qf5
- 2.Sxg7#
- 1...Qf6
- 2.Qxf6#
- 1...Rh7
- 2.Qe5#
- 1...Rg8
- 2.Qe5#
- 1...f6
- 2.Sxg7#
- 1...Qd4!
- threat
- 1.Qb2?
- threat
- 2.Sxg7#
- 2.Qe5#
- 1...Rxg6
- 2.Qe5#
- 1...cxd6
- 2.Sxg7#
- 2.Re5#
- 1...e1Q
- 2.Sxg7#
- 1...e1R
- 2.Sxg7#
- 1...Qe3
- 2.Sxg7#
- 2.Qf6#
- 1...Qg3
- 2.Sxg7#
- 2.Qf6#
- 1...Qh2
- 2.Sxg7#
- 2.Qf6#
- 1...Qf4
- 2.Sxg7#
- 1...Qf5
- 2.Sxg7#
- 1...Qf6
- 2.Qxf6#
- 1...Rh7
- 2.Qe5#
- 1...Rg8
- 2.Qe5#
- 1...f6
- 2.Sxg7#
- 1...Qd4!
- threat
- 1.Qxe2+?
- 1...Qe3
- 2.Qxe3#
- 1...Qxe2!
- 1...Qe3
- 1.Qa3?
- threat
- 2.Rb5#
- 2.Re5#
- 2.Rxg5#
- 1...Rxa5
- 2.Rxa5#
- 2.Rb5#
- 2.Re5#
- 1...cxd6
- 2.Re5#
- 2.Qxd6#
- 1...Qd4
- 2.Re5#
- 1...Qh4
- 2.Re5#
- 1...Qg2
- 2.Re5#
- 1...Qf3
- 2.Re5#
- 1...Qf4
- 2.Re5#
- 1...Qf5
- 2.Re5#
- 1...g4
- 2.Rb5#
- 2.Re5#
- 2.Rg5#
- 1...b5
- 2.Rxb5#
- 2.Re5#
- 1...c5
- 2.Rxc5#
- 2.Re5#
- 2.Rxg5#
- 1...f5
- 2.Sxg7#
- 2.Rd4#
- 2.Rb5#
- 2.Re5#
- 2.Rdxf5#
- 2.Rf6#
- 1...Qc5!
- threat
- 1.Qa4?
- threat
- 2.Qd7#
- 1...cxd6
- 2.Re5#
- 1...fxg6
- 2.Sxg7#
- 2.Rd4#
- 1...c5
- 2.Rxc5#
- 2.Re5#
- 2.Rxg5#
- 1...c6
- 2.Rb5#
- 2.Rc5#
- 2.Re5#
- 2.Rxg5#
- 1...f5
- 2.Sxg7#
- 2.Rd4#
- 2.Rf6#
- 1...f6
- 2.Sxg7#
- 1...b5!
- threat
- 1.Qa1?
- Keys
- 1.Bb5!
- threat
- 2.Bd7#
- 1...cxd6
- 2.Re5#
- 1...fxg6
- 2.Sxg7#
- 2.Rd4#
- 1...c5
- 2.Rxc5#
- 2.Re5#
- 1...c6
- 2.Rc5#
- 2.Re5#
- 2.Rxg5#
- 1...f5
- 2.Sxg7#
- 2.Rd4#
- 2.Rf6#
- 1...f6
- 2.Sxg7#
- threat
- 1.Bb5!
There are these versions: 78473
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- P(g);XP(G)::B(C)+R(E),DCHECK
- P(h);::S(F),XR(i)
- Tries
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- R(i);XP(H)::QAR1(A)
- P(a);::S(F),XR(i)
- Q(b);::S(F),XR(i)
- Q(b);N_GUARD::QAR1(A),XQ(b)
- R(i);::QAR1(A)
- R(i);P_PINR(K)::QAR1(A)
- P(h);::S(F),XR(i)
- Refutation
- Q(b);
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- R(i);XP(H)::QAR1(A)
- P(a);::S(F),XR(i)
- Q(b);::S(F),XR(i)
- Q(b);N_GUARD::QAR1(A),XQ(b)
- R(i);::QAR1(A)
- R(i);P_PINR(K)::QAR1(A)
- P(h);::S(F),XR(i)
- Refutation
- Q(b);
- Try
- Q(A);CHECK,XP(a)
- Vars
- Q(b);N_GUARD,P_SPINQ(b)::QAR(A),XQ(b)
- Refutation
- Q(b);XQ(A)
- Try
- Q(A);
- Threat
- DUALS(3)
- Vars
- Q(b);::B(C)+R(E),DCHECK
- Refutation
- Q(b);
- Try
- Q(A);
- Threat
- QAB1(A)
- Vars
- P(g);XP(G)::B(C)+R(E),DCHECK
- P(h);::S(F),XR(i)
- Refutation
- P(d);
- Try
- Actual
- B(C);
- Threat
- B(C)
- Vars
- P(g);XP(G)::QAB(A)+R(E),DCHECK
- P(h);::S(F),XR(i)
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).