MESON Chess Problem Database
Problem Display
PID: 185167 (6R1/K7/3B1k2/8/4p1P1/8/B2PRNp1/6q1 w - - 0 1)
Williams, Philip Hamilton
British Chess Magazine, 1917
#2
8 + 4
SOLUTION
- SOUND
- Sets
- 1...Qxf2+
- 2.Rxf2#
- 1...Qh2
- 2.Sxe4#
- 1...Qa1
- 2.Sxe4#
- 1...Qc1
- 2.Sxe4#
- 1...Qd1
- 2.Sxe4#
- 1...Qe1
- 2.Sxe4#
- 1...Qf1
- 2.Sxe4#
- 1...Qh1
- 2.Sxe4#
- 1...e3
- 2.Se4#
- 1...Qxf2+
- Tries
- 1.Ka6?
- threat
- 2.Sxe4#
- 1...Qxf2
- 2.Rxf2#
- 1...e3
- 2.Se4#
- 1...Qb1!
- threat
- 1.Kb6?
- 1...Qxf2+
- 2.Rxf2#
- 1...Qh2
- 2.Sxe4#
- 1...Qa1
- 2.Sxe4#
- 1...Qc1
- 2.Sxe4#
- 1...Qd1
- 2.Sxe4#
- 1...Qe1
- 2.Sxe4#
- 1...Qf1
- 2.Sxe4#
- 1...Qh1
- 2.Sxe4#
- 1...e3
- 2.Se4#
- 1...Qb1+!
- 1...Qxf2+
- 1.Kb7?
- threat
- 2.Sxe4#
- 1...Qxf2
- 2.Rxf2#
- 1...e3
- 2.Se4#
- 1...Qb1+!
- threat
- 1.Ka8?
- threat
- 2.Sxe4#
- 1...Qxf2
- 2.Rxf2#
- 1...e3
- 2.Se4#
- 1...Qb1!
- threat
- 1.Kb8?
- threat
- 2.Sxe4#
- 1...Qxf2
- 2.Rxf2#
- 1...e3
- 2.Se4#
- 1...Qb1+!
- threat
- 1.Be7+?
- 1...Ke5
- 2.Rxe4#
- 1...Kxe7!
- 1...Ke5
- 1.Rxe4?
- threat
- 2.Be7#
- 2.Rf4#
- 1...Qb1
- 2.Be7#
- 1...Qh2
- 2.Be7#
- 1...Qxf2+!
- threat
- 1.d4?
- threat
- 2.Sxe4#
- 1...Qxf2
- 2.Rxf2#
- 1...exd4 ep
- 2.Be7#
- 1...e3
- 2.Se4#
- 1...Qb1!
- threat
- 1.Ka6?
- Keys
- 1.d3!
- 1...Qxf2+
- 2.Rxf2#
- 1...exd3
- 2.Be7#
- 1...Qb1
- 2.Sxe4#
- 1...Qh2
- 2.Sxe4#
- 1...Qa1
- 2.Sxe4#
- 1...Qc1
- 2.Sxe4#
- 1...Qd1
- 2.Sxe4#
- 1...Qe1
- 2.Sxe4#
- 1...Qf1
- 2.Sxe4#
- 1...Qh1
- 2.Sxe4#
- 1...e3
- 2.Se4#
- 1...Qxf2+
- 1.d3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- Q(a);CHECK,OGATE,XS(D)::R(C),XQ(a)
- Q(a);N_PINS(D)::S(D),XP(c)
- Q(a);N_PINS(D),P_PINB(A)::S(D),XP(c)
- P(c);N_PINS(D)::S(D)
- Tries
- Try
- K(G);N_SPINS(D),P-FLIGHT
- Threat
- S(D),XP(c)
- Vars
- Q(a);OGATE,XS(D)::R(C),XQ(a)
- P(c);::S(D)
- Refutation
- Q(a);
- Try
- K(G);S_FLIGHT
- Vars
- Q(a);CHECK,OGATE,XS(D)::R(C),XQ(a)
- Q(a);N_PINS(D)::S(D),XP(c)
- P(c);N_PINS(D)::S(D)
- Refutation
- Q(a);CHECK,N_PINS(D)
- Try
- K(G);N_SPINS(D),P-FLIGHT
- Threat
- S(D),XP(c)
- Vars
- Q(a);OGATE,XS(D)::R(C),XQ(a)
- P(c);::S(D)
- Refutation
- Q(a);CHECK
- Try
- K(G);N_SPINS(D),P-FLIGHT
- Threat
- S(D),XP(c)
- Vars
- Q(a);OGATE,XS(D)::R(C),XQ(a)
- P(c);::S(D)
- Refutation
- Q(a);
- Try
- K(G);N_SPINS(D),S_FLIGHT
- Threat
- S(D),XP(c)
- Vars
- Q(a);OGATE,XS(D)::R(C),XQ(a)
- P(c);::S(D)
- Refutation
- Q(a);CHECK
- Try
- B(F);CHECK
- Vars
- K(d);P_SPINP(c),S_FLIGHT::R1(C),XP(c)
- Refutation
- K(d);P_SPINP(c),S_FLIGHT,XB(F)
- Try
- R(C);XP(c)
- Threat
- DUALS(2)
- Vars
- Q(a);N_PINS(D)::B(F)
- Refutation
- Q(a);CHECK,XS(D)
- Try
- P(B);N_SPINS(D)
- Threat
- S(D),XP(c)
- Vars
- Q(a);OGATE,P_PINP(B),XS(D)::R(C),XQ(a)
- P(c);EP,P_PINS(D),XP(B)::B(F)
- P(c);::S(D)
- Refutation
- Q(a);
- Try
- Actual
- P(B);
- Vars
- Q(a);CHECK,OGATE,XS(D)::R(C),XQ(a)
- P(c);XP(B)::B(F)
- Q(a);N_PINS(D)::S(D),XP(c)
- Q(a);N_PINS(D),P_PINB(A)::S(D),XP(c)
- P(c);N_PINS(D)::S(D)
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).