MESON Chess Problem Database
Problem Display
PID: 101109 (B7/3p4/2rb1P2/1KPN1R2/RBr1k1P1/2PN1p2/2Q1bP2/5q2 w - - 0 1)
Millins, Edward
Good Companions, 1919
#2
13 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qxf2
- 2.Sxf2#
- 1...Rxc3
- 2.Bxc3#
- 1...Rxb4+
- 2.Rxb4#
- 1...R4xc5+
- 2.Bxc5#
- 1...R6xc5+
- 2.Sxc5#
- 1...Rb6+
- 2.Sxb6#
- 1...Rc7
- 2.Sxc7#
- 1...Bxc5
- 2.Sxc5#
- 2.Re5#
- 1...Be5
- 2.Rxe5#
- 1...Be7
- 2.Re5#
- 1...Bf8
- 2.Re5#
- 1...Qxf2
- Keys
- 1.f7!
- threat
- 2.Sf6#
- 1...Rxb4+
- 2.Rxb4#
- 1...R4xc5+
- 2.Bxc5#
- 1...R6xc5+
- 2.Sxc5#
- 1...Rb6+
- 2.Sxb6#
- 1...Qxf2
- 2.Sxf2#
- 1...Rxc3
- 2.Bxc3#
- 1...Be5
- 2.Rxe5#
- 1...Be7
- 2.Re5#
- threat
- 1.f7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 2
- Sets
- Q(a);XP(B)::QAB(A)+S(D),DCHECK,XQ(a)
- R(d);OGATE,P_PINS(D),XP(C)::R(E)+B(F),XR(d)
- R(d);CHECK,OGATE,P_PINS(D),P_SPINR(d),XB(F)::R(E),XR(d)
- R(d);CHECK,OGATE,P_PINS(D),XP(I)::R(E)+B(F),XR(d)
- R(f);CHECK,XP(I)::QAB(A)+S(D),DCHECK,XR(f)
- R(f);CHECK::B(M)+S(J),XR(f)
- R(f);::B(M)+S(J),XR(f)
- B(g);N_GUARD::R1(K),XB(g)
- B(g);N_GUARD::R1(K)
- Actual
- P(L);
- Threat
- S(J)
- Vars
- R(d);CHECK,OGATE,P_PINS(D),P_SPINR(d),XB(F)::R(E),XR(d)
- R(d);CHECK,OGATE,P_PINS(D),XP(I)::R(E)+B(F),XR(d)
- R(f);CHECK,XP(I)::QAB(A)+S(D),DCHECK,XR(f)
- R(f);CHECK::B(M)+S(J),XR(f)
- Q(a);XP(B)::QAB(A)+S(D),DCHECK,XQ(a)
- R(d);OGATE,P_PINS(D),XP(C)::R(E)+B(F),XR(d)
- B(g);N_GUARD::R1(K),XB(g)
- B(g);N_GUARD::R1(K)
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).