MESON Chess Problem Database
Problem Display
PID: 139039 (r1k4B/PR1p3P/Bpqp2NK/3p4/8/8/8/2R5 w - - 0 1)
Kipping, Cyril Stanley
Pickering, S
The Problemist, 1937
#2
8 + 7
SOLUTION
- SOUND
- Sets
- 1...Qc7
- 2.Rb8#
- 1...Rb8
- 2.axb8Q#
- 2.axb8R#
- 1...Qc7
- Tries
- 1.Ba1?
- threat
- 2.h8Q#
- 2.h8R#
- 1...Kd8
- 2.h8Q#
- 2.h8R#
- 1...Rxa7
- 2.h8Q#
- 2.h8R#
- 1...Qc2
- 2.h8Q#
- 2.h8R#
- 1...Qc3
- 2.h8Q#
- 2.h8R#
- 1...Qc4
- 2.h8Q#
- 2.h8R#
- 1...Qc5
- 2.h8Q#
- 2.h8R#
- 1...Qc7
- 2.Rb8#
- 2.h8Q#
- 2.h8R#
- 1...Rb8
- 2.axb8Q#
- 2.axb8R#
- 2.h8Q#
- 2.h8R#
- 1...d4
- 2.h8Q#
- 2.h8R#
- 1...b5
- 2.h8Q#
- 2.h8R#
- 1...Qxc1+!
- threat
- 1.Bb2?
- threat
- 2.h8Q#
- 2.h8R#
- 1...Kd8
- 2.h8Q#
- 2.h8R#
- 1...Rxa7
- 2.h8Q#
- 2.h8R#
- 1...Qc2
- 2.h8Q#
- 2.h8R#
- 1...Qc3
- 2.h8Q#
- 2.h8R#
- 1...Qc4
- 2.h8Q#
- 2.h8R#
- 1...Qc5
- 2.h8Q#
- 2.h8R#
- 1...Qc7
- 2.Rb8#
- 2.h8Q#
- 2.h8R#
- 1...Rb8
- 2.axb8Q#
- 2.axb8R#
- 2.h8Q#
- 2.h8R#
- 1...d4
- 2.h8Q#
- 2.h8R#
- 1...b5
- 2.h8Q#
- 2.h8R#
- 1...Qxc1+!
- threat
- 1.Bd4?
- threat
- 2.h8Q#
- 2.h8R#
- 1...Kd8
- 2.h8Q#
- 2.h8R#
- 1...Rxa7
- 2.h8Q#
- 2.h8R#
- 1...Qc2
- 2.h8Q#
- 2.h8R#
- 1...Qc3
- 2.h8Q#
- 2.h8R#
- 1...Qc4
- 2.h8Q#
- 2.h8R#
- 1...Qc5
- 2.h8Q#
- 2.h8R#
- 1...Qc7
- 2.Rb8#
- 2.h8Q#
- 2.h8R#
- 1...Rb8
- 2.axb8Q#
- 2.axb8R#
- 2.h8Q#
- 2.h8R#
- 1...b5
- 2.h8Q#
- 2.h8R#
- 1...Qxc1+!
- threat
- 1.Be5?
- threat
- 2.h8Q#
- 2.h8R#
- 1...Kd8
- 2.h8Q#
- 2.h8R#
- 1...Rxa7
- 2.h8Q#
- 2.h8R#
- 1...dxe5
- 2.h8Q#
- 2.h8R#
- 1...Qc2
- 2.h8Q#
- 2.h8R#
- 1...Qc3
- 2.h8Q#
- 2.h8R#
- 1...Qc4
- 2.h8Q#
- 2.h8R#
- 1...Qc5
- 2.h8Q#
- 2.h8R#
- 1...Qc7
- 2.Rb8#
- 2.h8Q#
- 2.h8R#
- 1...Rb8
- 2.axb8Q#
- 2.axb8R#
- 2.h8Q#
- 2.h8R#
- 1...d4
- 2.h8Q#
- 2.h8R#
- 1...b5
- 2.h8Q#
- 2.h8R#
- 1...Qxc1+!
- threat
- 1.Bf6?
- threat
- 2.h8Q#
- 2.h8R#
- 1...Rxa7
- 2.h8Q#
- 2.h8R#
- 1...Qc2
- 2.Rxc2#
- 2.h8Q#
- 2.h8R#
- 1...Qc3
- 2.Rxc3#
- 2.h8Q#
- 2.h8R#
- 1...Qc4
- 2.h8Q#
- 2.h8R#
- 1...Qc5
- 2.h8Q#
- 2.h8R#
- 1...Qc7
- 2.Rcxc7#
- 2.Rxb6#
- 2.Rbxc7#
- 2.Rb8#
- 2.h8Q#
- 2.h8R#
- 1...Rb8
- 2.axb8Q#
- 2.axb8R#
- 2.h8Q#
- 2.h8R#
- 1...d4
- 2.h8Q#
- 2.h8R#
- 1...b5
- 2.h8Q#
- 2.h8R#
- 1...Qxc1+!
- threat
- 1.Bg7?
- threat
- 2.h8Q#
- 2.h8R#
- 1...Kd8
- 2.h8Q#
- 2.h8R#
- 1...Rxa7
- 2.h8Q#
- 2.h8R#
- 1...Qc2
- 2.h8Q#
- 2.h8R#
- 1...Qc3
- 2.h8Q#
- 2.h8R#
- 1...Qc4
- 2.h8Q#
- 2.h8R#
- 1...Qc5
- 2.h8Q#
- 2.h8R#
- 1...Qc7
- 2.Rb8#
- 2.h8Q#
- 2.h8R#
- 1...Rb8
- 2.axb8Q#
- 2.axb8R#
- 2.h8Q#
- 2.h8R#
- 1...d4
- 2.h8Q#
- 2.h8R#
- 1...b5
- 2.h8Q#
- 2.h8R#
- 1...Qxc1+!
- threat
- 1.Ba1?
- Keys
- 1.Bc3!
- threat
- 2.h8Q#
- 2.h8R#
- 1...Kd8
- 2.h8Q#
- 2.h8R#
- 1...Qxb7
- 2.Bf6#
- 1...Qxc3
- 2.h8Q#
- 2.h8R#
- 1...Rxa7
- 2.h8Q#
- 2.h8R#
- 1...Qa4
- 2.h8Q#
- 2.h8R#
- 1...Qb5
- 2.h8Q#
- 2.h8R#
- 1...Qc4
- 2.h8Q#
- 2.h8R#
- 1...Qc5
- 2.h8Q#
- 2.h8R#
- 1...Qc7
- 2.Rb8#
- 1...Rb8
- 2.axb8Q#
- 2.axb8R#
- 2.h8Q#
- 2.h8R#
- 1...d4
- 2.h8Q#
- 2.h8R#
- 1...b5
- 2.h8Q#
- 2.h8R#
- threat
- 1.Bc3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- Q(c);::B(B)+R(F),DCHECK
- R(f);OGATE::PXR(f)=Q
- Tries
- Try
- B(H);
- Threat
- P=Q
- Vars
- K(g);N_SPINQ(c),P-FLIGHT::P=Q
- R(f);XP(E)::P=Q
- Q(c);::P=Q
- P(a);::P=Q
- P(b);::P=Q
- Refutation
- Q(c);CHECK,N_SPINQ(c),XR(A)
- Try
- B(H);
- Threat
- P=Q
- Vars
- K(g);N_SPINQ(c),P-FLIGHT::P=Q
- R(f);XP(E)::P=Q
- Q(c);::P=Q
- P(a);::P=Q
- P(b);::P=Q
- Refutation
- Q(c);CHECK,N_SPINQ(c),XR(A)
- Try
- B(H);
- Threat
- P=Q
- Vars
- K(g);N_SPINQ(c),P-FLIGHT::P=Q
- R(f);XP(E)::P=Q
- Q(c);::P=Q
- P(b);::P=Q
- Refutation
- Q(c);CHECK,N_SPINQ(c),XR(A)
- Try
- B(H);
- Threat
- P=Q
- Vars
- K(g);N_SPINQ(c),P-FLIGHT::P=Q
- R(f);XP(E)::P=Q
- P(d);P_PINS(C),XB(H)::P=Q
- Q(c);::P=Q
- P(a);::P=Q
- P(b);::P=Q
- Refutation
- Q(c);CHECK,N_SPINQ(c),XR(A)
- Try
- B(H);
- Threat
- P=Q
- Vars
- R(f);XP(E)::P=Q
- Q(c);::P=Q
- P(a);::P=Q
- P(b);::P=Q
- Refutation
- Q(c);CHECK,N_SPINQ(c),XR(A)
- Try
- B(H);
- Threat
- P=Q
- Vars
- K(g);N_SPINQ(c),P-FLIGHT::P=Q
- R(f);XP(E)::P=Q
- Q(c);::P=Q
- P(a);::P=Q
- P(b);::P=Q
- Refutation
- Q(c);CHECK,N_SPINQ(c),XR(A)
- Try
- Actual
- B(H);N_PINQ(c)
- Threat
- P=Q
- Vars
- K(g);P-FLIGHT::P=Q
- Q(c);OGATEB,P_SPINQ(c),XR(F)::R(A)+B(H)
- Q(c);P_SPINQ(c),XB(H)::P=Q
- R(f);XP(E)::P=Q
- Q(c);::P=Q
- Q(c);SBLOCK::B(B)+R(F),DCHECK
- P(a);::P=Q
- P(b);::P=Q
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).