MESON Chess Problem Database
Problem Display
PID: 267072 (8/5p1B/n1N2p2/R7/p1k5/pbrN4/nQ6/4BK2 w - - 0 1)
Wright Wood, S (= Wood, SW)
The Problemist, 1955
#2
7 + 9
SOLUTION
- SOUND
- Sets
- 1...Rc1
- 2.Qd4#
- 1...Rc2
- 2.Qd4#
- 1...Bd1
- 2.Qb5#
- 1...Bc2
- 2.Qb5#
- 1...Sc1
- 2.Qxc3#
- 1...S2b4
- 2.Qxc3#
- 1...S6b4
- 2.Rc5#
- 1...Sc5
- 2.Rxc5#
- 1...Sc7
- 2.Rc5#
- 1...Sb8
- 2.Rc5#
- 1...axb2
- 2.Sxb2#
- 1...f5
- 2.Sde5#
- 1...Rc1
- Tries
- 1.Kg1?
- 1...axb2
- 2.Sxb2#
- 1...Sc5
- 2.Rxc5#
- 1...f5
- 2.Sde5#
- 1...Rc1
- 2.Qd4#
- 1...Rc2
- 2.Qd4#
- 1...Bd1
- 2.Qb5#
- 1...Bc2
- 2.Qb5#
- 1...Sc1
- 2.Qxc3#
- 1...S2b4
- 2.Qxc3#
- 1...S6b4
- 2.Rc5#
- 1...Sc7
- 2.Rc5#
- 1...Sb8
- 2.Rc5#
- 1...Rxd3!
- 1...axb2
- 1.Sce5+?
- 1...Kd4
- 2.Bf2#
- 2.Qf2#
- 1...fxe5!
- 1...Kd4
- 1.Be4?
- 1...axb2
- 2.Sxb2#
- 1...Rc1
- 2.Qd4#
- 1...Rc2
- 2.Qd4#
- 1...Bd1
- 2.Qb5#
- 1...Bc2
- 2.Qb5#
- 1...Sc1
- 2.Qxc3#
- 1...S2b4
- 2.Qxc3#
- 1...S6b4
- 2.Rc5#
- 1...Sc5
- 2.Rxc5#
- 1...Sc7
- 2.Rc5#
- 1...Sb8
- 2.Rc5#
- 1...f5
- 2.Sde5#
- 1...Rxd3!
- 1...axb2
- 1.Bf5?
- 1...axb2
- 2.Sxb2#
- 1...Sc5
- 2.Rxc5#
- 1...Rc1
- 2.Qd4#
- 1...Rc2
- 2.Qd4#
- 1...Bd1
- 2.Qb5#
- 1...Bc2
- 2.Qb5#
- 1...Sc1
- 2.Qxc3#
- 1...S2b4
- 2.Qxc3#
- 1...S6b4
- 2.Rc5#
- 1...Sc7
- 2.Rc5#
- 1...Sb8
- 2.Rc5#
- 1...Rxd3!
- 1...axb2
- 1.Rh5?
- 1...Rxd3
- 2.Sa5#
- 1...axb2
- 2.Sxb2#
- 1...Sc5
- 2.Rxc5#
- 1...Rc1
- 2.Sa5#
- 2.Qd4#
- 1...Rc2
- 2.Sa5#
- 2.Qd4#
- 1...Bd1
- 2.Qb5#
- 1...Bc2
- 2.Qb5#
- 1...Sc1
- 2.Qxc3#
- 1...S2b4
- 2.Qxc3#
- 1...S6b4
- 2.Rc5#
- 1...Sc7
- 2.Rc5#
- 1...Sb8
- 2.Rc5#
- 1...f5!
- 1...Rxd3
- 1.Qg2?
- threat
- 2.Qe4#
- 2.Qd5#
- 2.Qg4#
- 1...Bd1
- 2.Qd5#
- 1...Bc2
- 2.Qd5#
- 1...f5
- 2.Sde5#
- 2.Qd5#
- 1...S2b4
- 2.Qe4#
- 2.Qg4#
- 1...S6b4
- 2.Rc5#
- 2.Qe4#
- 2.Qg4#
- 1...Sc5
- 2.Rxc5#
- 1...Sc7
- 2.Rc5#
- 2.Qe4#
- 2.Qg4#
- 1...Rxd3!
- threat
- 1.Kg1?
- Keys
- 1.Rf5!
- 1...Kxd3
- 2.Qe2#
- 1...Rxd3
- 2.Sa5#
- 1...axb2
- 2.Sxb2#
- 1...Sc5
- 2.Rxc5#
- 1...Rc1
- 2.Qd4#
- 1...Rc2
- 2.Qd4#
- 1...Bd1
- 2.Qb5#
- 1...Bc2
- 2.Qb5#
- 1...Sc1
- 2.Qxc3#
- 1...S2b4
- 2.Qxc3#
- 1...S6b4
- 2.Rc5#
- 1...Sc7
- 2.Rc5#
- 1...Sb8
- 2.Rc5#
- 1...Kxd3
- 1.Rf5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- R(d);OGATE,P_PINB(A)::QAR1(C)
- R(d);OGATE::QAR1(C)
- B(c);OGATE::QAB1(C)
- S(a);N_GUARD::QAR1(C),XR(d)
- S(g);N_GUARD::R1(E)
- S(g);N_GUARD::R1(E),XS(g)
- P(b);XQ(C)::S(D),XP(b)
- P(h);N_GUARD::S(D)
- Tries
- Try
- K(B);P-FLIGHT
- Vars
- P(b);XQ(C)::S(D),XP(b)
- S(g);N_GUARD::R1(E),XS(g)
- P(h);N_GUARD::S(D)
- R(d);OGATE,P_PINB(A)::QAR1(C)
- R(d);OGATE::QAR1(C)
- B(c);OGATE::QAB1(C)
- S(a);N_GUARD::QAR1(C),XR(d)
- S(g);N_GUARD::R1(E)
- Refutation
- R(d);XS(D)
- Try
- S(F);CHECK
- Refutation
- P(h);XS(F)
- Try
- B(G);
- Vars
- P(b);XQ(C)::S(D),XP(b)
- R(d);OGATE,P_PINB(A)::QAR1(C)
- R(d);OGATE::QAR1(C)
- B(c);OGATE::QAB1(C)
- S(a);N_GUARD::QAR1(C),XR(d)
- S(g);N_GUARD::R1(E)
- S(g);N_GUARD::R1(E),XS(g)
- P(h);N_GUARD::S(D)
- Refutation
- R(d);XS(D)
- Try
- B(G);
- Vars
- P(b);XQ(C)::S(D),XP(b)
- S(g);N_GUARD::R1(E),XS(g)
- R(d);OGATE,P_PINB(A)::QAR1(C)
- R(d);OGATE::QAR1(C)
- B(c);OGATE::QAB1(C)
- S(a);N_GUARD::QAR1(C),XR(d)
- S(g);N_GUARD::R1(E)
- Refutation
- R(d);XS(D)
- Try
- R(E);
- Vars
- R(d);XS(D)::S(F)
- P(b);XQ(C)::S(D),XP(b)
- S(g);N_GUARD::R1(E),XS(g)
- B(c);OGATE::QAB1(C)
- S(a);N_GUARD::QAR1(C),XR(d)
- S(g);N_GUARD::R1(E)
- Refutation
- P(h);
- Try
- Q(C);
- Threat
- DUALS(3)
- Vars
- B(c);::QAB1(C)
- S(g);N_GUARD::R1(E),XS(g)
- Refutation
- R(d);XS(D)
- Try
- Actual
- R(E);
- Vars
- K(f);OGATEB,S_FLIGHT,XS(D)::QAB1(C)
- R(d);SBLOCK,XS(D)::S(F)
- P(b);XQ(C)::S(D),XP(b)
- S(g);N_GUARD::R1(E),XS(g)
- R(d);OGATE,P_PINB(A)::QAR1(C)
- R(d);OGATE::QAR1(C)
- B(c);OGATE::QAB1(C)
- S(a);N_GUARD::QAR1(C),XR(d)
- S(g);N_GUARD::R1(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).