MESON Chess Problem Database
Problem Display
PID: 149094 (5B2/3Q4/1p6/r1b5/NkP1R3/p7/K7/8 w - - 0 1)
Wash, Benjamin S
British Chess Magazine, 1903
#2
6 + 5
SOLUTION
- SOUND
- Sets
- 1...Rxa4
- 2.Qd2#
- 1...Rb5
- 2.Qxb5#
- 1...Ra6
- 2.Qb5#
- 1...Ra7
- 2.Qb5#
- 1...Ra8
- 2.Qb5#
- 1...Bd6
- 2.c5#
- 1...Be7
- 2.c5#
- 1...Bxf8
- 2.c5#
- 1...b5
- 2.cxb5#
- 1...Rxa4
- Tries
- 1.Bd6?
- 1...Bxd6
- 2.c5#
- 1...Rb5
- 2.Qxb5#
- 1...Ra6
- 2.Qb5#
- 1...Ra7
- 2.Qb5#
- 1...Ra8
- 2.Qb5#
- 1...b5
- 2.cxb5#
- 1...Rxa4!
- 1...Bxd6
- 1.Rd4?
- 1...Bxf8
- 2.c5#
- 1...Rb5
- 2.Qxb5#
- 1...Ra6
- 2.Qb5#
- 1...Ra7
- 2.Qb5#
- 1...Ra8
- 2.Qb5#
- 1...b5
- 2.cxb5#
- 1...Bd6
- 2.c5#
- 1...Be7
- 2.c5#
- 1...Rxa4!
- 1...Bxf8
- 1.Rf4?
- 1...Rxa4
- 2.Qd2#
- 1...Bxf8
- 2.c5#
- 1...Rb5
- 2.Qxb5#
- 1...Ra6
- 2.Qb5#
- 1...Ra7
- 2.Qb5#
- 1...Ra8
- 2.Qb5#
- 1...b5
- 2.cxb5#
- 1...Be7
- 2.c5#
- 1...Bd6!
- 1...Rxa4
- 1.Rg4?
- 1...Rxa4
- 2.Qd2#
- 1...Bxf8
- 2.c5#
- 1...Rb5
- 2.Qxb5#
- 1...Ra6
- 2.Qb5#
- 1...Ra7
- 2.Qb5#
- 1...Ra8
- 2.Qb5#
- 1...b5
- 2.cxb5#
- 1...Be7
- 2.c5#
- 1...Bd6!
- 1...Rxa4
- 1.Qc6?
- 1...Bxf8
- 2.c5#
- 1...Rb5
- 2.Qxb5#
- 1...Ra6
- 2.Qb5#
- 1...Ra7
- 2.Qb5#
- 1...Ra8
- 2.Qb5#
- 1...b5
- 2.cxb5#
- 1...Bd6
- 2.c5#
- 1...Be7
- 2.c5#
- 1...Rxa4!
- 1...Bxf8
- 1.Qe8?
- 1...Bxf8
- 2.c5#
- 1...Rb5
- 2.Qxb5#
- 1...Ra6
- 2.Qb5#
- 1...Ra7
- 2.Qb5#
- 1...Ra8
- 2.Qb5#
- 1...b5
- 2.cxb5#
- 1...Bd6
- 2.c5#
- 1...Be7
- 2.c5#
- 1...Rxa4!
- 1...Bxf8
- 1.Bd6?
- Keys
- 1.Be7!
- 1...Rxa4
- 2.Qd2#
- 1...Bxe7
- 2.c5#
- 1...Rb5
- 2.Qxb5#
- 1...Ra6
- 2.Qb5#
- 1...Ra7
- 2.Qb5#
- 1...Ra8
- 2.Qb5#
- 1...b5
- 2.cxb5#
- 1...Bd6
- 2.c5#
- 1...Rxa4
- 1.Be7!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 1
- Sets
- R(c);SBLOCK,XS(B)::QAB(E)
- R(c);N_GUARD::QAR1(E),XR(c)
- R(c);N_GUARD::QAR1(E)
- B(d);OGATE::R(D)+P(C)
- B(d);N_SPINB(d),OGATE,XB(F)::R(D)+P(C)
- P(e);OGATE::R(D)+P(C),XP(e)
- Tries
- Try
- B(F);
- Vars
- B(d);N_SPINB(d),OGATE,XB(F)::R(D)+P(C)
- R(c);N_GUARD::QAR1(E),XR(c)
- R(c);N_GUARD::QAR1(E)
- P(e);OGATE::R(D)+P(C),XP(e)
- Refutation
- R(c);XS(B)
- Try
- R(D);
- Vars
- B(d);N_SPINB(d),OGATE,XB(F)::R(D)+P(C)
- R(c);N_GUARD::QAR1(E),XR(c)
- R(c);N_GUARD::QAR1(E)
- P(e);OGATE::R(D)+P(C),XP(e)
- B(d);OGATE::R(D)+P(C)
- Refutation
- R(c);XS(B)
- Try
- R(D);
- Vars
- R(c);SBLOCK,XS(B)::QAB(E)
- B(d);N_SPINB(d),OGATE,XB(F)::R(D)+P(C)
- R(c);N_GUARD::QAR1(E),XR(c)
- R(c);N_GUARD::QAR1(E)
- P(e);OGATE::R(D)+P(C),XP(e)
- B(d);OGATE::R(D)+P(C)
- Refutation
- B(d);
- Try
- R(D);
- Vars
- R(c);SBLOCK,XS(B)::QAB(E)
- B(d);N_SPINB(d),OGATE,XB(F)::R(D)+P(C)
- R(c);N_GUARD::QAR1(E),XR(c)
- R(c);N_GUARD::QAR1(E)
- P(e);OGATE::R(D)+P(C),XP(e)
- B(d);OGATE::R(D)+P(C)
- Refutation
- B(d);
- Try
- Q(E);
- Vars
- B(d);N_SPINB(d),OGATE,XB(F)::R(D)+P(C)
- R(c);N_GUARD::QAR1(E),XR(c)
- R(c);N_GUARD::QAR1(E)
- P(e);OGATE::R(D)+P(C),XP(e)
- B(d);OGATE::R(D)+P(C)
- Refutation
- R(c);XS(B)
- Try
- Q(E);
- Vars
- B(d);N_SPINB(d),OGATE,XB(F)::R(D)+P(C)
- R(c);N_GUARD::QAR1(E),XR(c)
- R(c);N_GUARD::QAR1(E)
- P(e);OGATE::R(D)+P(C),XP(e)
- B(d);OGATE::R(D)+P(C)
- Refutation
- R(c);XS(B)
- Try
- Actual
- B(F);
- Vars
- R(c);SBLOCK,XS(B)::QAB(E)
- B(d);N_SPINB(d),OGATE,XB(F)::R(D)+P(C)
- R(c);N_GUARD::QAR1(E),XR(c)
- R(c);N_GUARD::QAR1(E)
- P(e);OGATE::R(D)+P(C),XP(e)
- B(d);OGATE::R(D)+P(C)
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).