MESON Chess Problem Database
Problem Display
PID: 3134 (3n1N2/7b/1p3Q1p/1K3N1P/5k2/3P2RP/1nR5/5r2 w - - 0 1)
Williams, Philip Hamilton
Sussex Chess Problem Fraternity, 1918
#2
9 + 7
| 15 | British Chess Magazine | 1918 |
| 2681 | All Change Here! | 1919 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Rf2#
- 1...Rb1
- 2.Rf2#
- 1...Rc1
- 2.Rf2#
- 1...Rd1
- 2.Rf2#
- 1...Re1
- 2.Rf2#
- 1...Rg1
- 2.Rf2#
- 1...Rh1
- 2.Rf2#
- 1...Rf2
- 2.Rxf2#
- 1...Rf3
- 2.Rg4#
- 1...Bxf5
- 2.Qd6#
- 1...Bg6
- 2.Sxg6#
- 1...Bg8
- 2.Sg6#
- 1...Sd1
- 2.Rc4#
- 1...Sxd3
- 2.Rc4#
- 1...Sa4
- 2.Rc4#
- 1...Sc4
- 2.Rxc4#
- 1...Sc6
- 2.Se6#
- 1...Se6
- 2.Sxe6#
- 1...Sb7
- 2.Se6#
- 1...Sf7
- 2.Se6#
- 1...Ra1
- Tries
- 1.Kxb6?
- 1...Sc4+
- 2.Rxc4#
- 1...Bxf5
- 2.Qd6#
- 1...Sxd3
- 2.Rc4#
- 1...Ra1
- 2.Rf2#
- 1...Rb1
- 2.Rf2#
- 1...Rc1
- 2.Rf2#
- 1...Rd1
- 2.Rf2#
- 1...Re1
- 2.Rf2#
- 1...Rg1
- 2.Rf2#
- 1...Rh1
- 2.Rf2#
- 1...Rf2
- 2.Rxf2#
- 1...Rf3
- 2.Rg4#
- 1...Bg6
- 2.Sxg6#
- 1...Bg8
- 2.Sg6#
- 1...Sd1
- 2.Rc4#
- 1...Sc6
- 2.Se6#
- 1...Se6
- 2.Sxe6#
- 1...Sb7
- 2.Se6#
- 1...Sf7
- 2.Se6#
- 1...Sa4+!
- 1...Sc4+
- 1.Se3+?
- 1...Bf5
- 2.Qd6#
- 1...Kxg3!
- 1...Bf5
- 1.Sd4+?
- 1...Bf5
- 2.Se2#
- 2.Qd6#
- 1...Kxg3!
- 1...Bf5
- 1.Sh4+?
- 1...Bf5
- 2.Qd6#
- 1...Kxg3!
- 1...Bf5
- 1.Sxh6+?
- 1...Bf5
- 2.Qd6#
- 1...Kxg3!
- 1...Bf5
- 1.Se7+?
- 1...Bf5
- 2.Qd6#
- 1...Kxg3!
- 1...Bf5
- 1.Sg7+?
- 1...Bf5
- 2.Qd6#
- 1...Kxg3!
- 1...Bf5
- 1.Rxb2?
- threat
- 2.Rb4#
- 1...Bxf5
- 2.Qd6#
- 1...Sc6
- 2.Se6#
- 1...Rc1
- 2.Rf2#
- 1...Re1
- 2.Rf2#
- 1...Bg8
- 2.Sg6#
- 1...Se6
- 2.Sxe6#
- 1...Rb1!
- threat
- 1.Re2?
- threat
- 2.Re4#
- 2.Qe5#
- 1...Bxf5
- 2.Qe5#
- 2.Qd6#
- 1...Sc6
- 2.Se6#
- 2.Re4#
- 1...Re1
- 2.Rf2#
- 2.Qe5#
- 1...Sc4
- 2.Re4#
- 1...Sf7
- 2.Se6#
- 2.Re4#
- 1...Sxd3!
- threat
- 1.Rc5?
- threat
- 2.Qd4#
- 2.Qh4#
- 2.Qe5#
- 2.Qd6#
- 2.Qxh6#
- 1...Bxf5
- 2.Qe5#
- 2.Qd6#
- 1...Sxd3
- 2.Rc4#
- 2.Qd4#
- 2.Qh4#
- 1...Re1
- 2.Qh4#
- 2.Qxh6#
- 1...Bg6
- 2.Sxg6#
- 2.Qd4#
- 2.Qh4#
- 2.Qe5#
- 2.Qd6#
- 1...Sc4
- 2.Rxc4#
- 2.Qd4#
- 2.Qh4#
- 2.Qxh6#
- 1...Sc6
- 2.Se6#
- 2.Qh4#
- 2.Qxh6#
- 1...Se6
- 2.Sxe6#
- 2.Qh4#
- 2.Qe5#
- 1...Sb7
- 2.Se6#
- 2.Qd4#
- 2.Qh4#
- 2.Qe5#
- 2.Qxh6#
- 1...Sf7
- 2.Se6#
- 2.Qd4#
- 2.Qh4#
- 1...bxc5!
- threat
- 1.Qe6?
- threat
- 2.Qe4#
- 1...Bxf5
- 2.Qe3#
- 2.Qd6#
- 1...Sxd3
- 2.Rc4#
- 1...Re1
- 2.Rf2#
- 1...Sxe6!
- threat
- 1.Qxh6+?
- 1...Kxf5
- 2.Qg5#
- 1...Ke5!
- 1...Kxf5
- 1.h4?
- 1...Bxf5
- 2.Qd6#
- 1...Sxd3
- 2.Rc4#
- 1...Rb1
- 2.Rf2#
- 1...Ra1
- 2.Rf2#
- 1...Rc1
- 2.Rf2#
- 1...Rd1
- 2.Rf2#
- 1...Re1
- 2.Rf2#
- 1...Rg1
- 2.Rf2#
- 1...Rh1
- 2.Rf2#
- 1...Rf2
- 2.Rxf2#
- 1...Bg6
- 2.Sxg6#
- 1...Bg8
- 2.Sg6#
- 1...Sd1
- 2.Rc4#
- 1...Sa4
- 2.Rc4#
- 1...Sc4
- 2.Rxc4#
- 1...Sc6
- 2.Se6#
- 1...Se6
- 2.Sxe6#
- 1...Sb7
- 2.Se6#
- 1...Sf7
- 2.Se6#
- 1...Rf3!
- 1...Bxf5
- 1.Kxb6?
- Keys
- 1.Re3!
- 1...Bxf5
- 2.Qxh6#
- 1...Sxd3
- 2.Rc4#
- 1...Rb1
- 2.Rf2#
- 1...Ra1
- 2.Rf2#
- 1...Rc1
- 2.Rf2#
- 1...Rd1
- 2.Rf2#
- 1...Re1
- 2.Rf2#
- 1...Rg1
- 2.Rf2#
- 1...Rh1
- 2.Rf2#
- 1...Rf2
- 2.Rxf2#
- 1...Rf3
- 2.Re4#
- 1...Bg6
- 2.Sxg6#
- 1...Bg8
- 2.Sg6#
- 1...Sd1
- 2.Rc4#
- 1...Sa4
- 2.Rc4#
- 1...Sc4
- 2.Rxc4#
- 1...Sc6
- 2.Se6#
- 1...Se6
- 2.Sxe6#
- 1...Sb7
- 2.Se6#
- 1...Sf7
- 2.Se6#
- 1...Bxf5
- 1.Re3!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(a);N_GUARD::R(A)
- R(a);N_GUARD::R(A),XR(a)
- R(a);SBLOCK::R1(C)
- B(f);P_SPINB(f),SBLOCK,XS(F)::QAB(H)
- B(f);N_GUARD::S(I),XB(f)
- B(f);N_GUARD::S(I)
- S(b);N_GUARD::R(A)
- S(b);N_GUARD,XP(B)::R(A)
- S(b);N_GUARD::R(A),XS(b)
- S(g);N_GUARD::S(I)
- S(g);N_GUARD::S(I),XS(g)
- Tries
- Try
- K(E);P-FLIGHT,XP(d)
- Vars
- S(b);CHECK,N_GUARD::R(A),XS(b)
- B(f);P_SPINB(f),SBLOCK,XS(F)::QAB(H)
- S(b);N_GUARD,XP(B)::R(A)
- R(a);N_GUARD::R(A)
- R(a);N_GUARD::R(A),XR(a)
- R(a);SBLOCK::R1(C)
- B(f);N_GUARD::S(I),XB(f)
- B(f);N_GUARD::S(I)
- S(b);N_GUARD::R(A)
- S(g);N_GUARD::S(I)
- S(g);N_GUARD::S(I),XS(g)
- Refutation
- S(b);CHECK
- Try
- S(F);CHECK
- Vars
- B(f);P_SPINB(f)::QAB(H)
- Refutation
- K(c);S_FLIGHT,XR(C)
- Try
- S(F);CHECK
- Refutation
- K(c);S_FLIGHT,XR(C)
- Try
- S(F);CHECK
- Vars
- B(f);P_SPINB(f)::QAB(H)
- Refutation
- K(c);S_FLIGHT,XR(C)
- Try
- S(F);CHECK,XP(e)
- Vars
- B(f);P_SPINB(f)::QAB(H)
- Refutation
- K(c);S_FLIGHT,XR(C)
- Try
- S(F);CHECK
- Vars
- B(f);P_SPINB(f)::QAB(H)
- Refutation
- K(c);S_FLIGHT,XR(C)
- Try
- S(F);CHECK
- Vars
- B(f);P_SPINB(f)::QAB(H)
- Refutation
- K(c);S_FLIGHT,XR(C)
- Try
- R(A);XS(b)
- Threat
- R(A)
- Vars
- B(f);P_SPINB(f),SBLOCK,XS(F)::QAB(H)
- S(g);N_GUARD::S(I)
- R(a);N_GUARD::R(A)
- B(f);N_GUARD::S(I)
- S(g);N_GUARD::S(I),XS(g)
- Refutation
- R(a);P_PINR(A)
- Try
- R(A);
- Threat
- DUALS(2)
- Vars
- S(b);::R1(A)
- Refutation
- S(b);XP(B)
- Try
- R(A);
- Threat
- DUALS(5)
- Refutation
- P(d);XR(A)
- Try
- Q(H);
- Threat
- QAR1(H)
- Vars
- S(b);N_GUARD,XP(B)::R(A)
- R(a);N_GUARD::R(A)
- Refutation
- S(g);XQ(H)
- Try
- Q(H);CHECK,XP(e)
- Vars
- K(c);P-FLIGHT,XS(F)::QAR1(H)
- Refutation
- K(c);S_FLIGHT
- Try
- P(D);
- Vars
- B(f);P_SPINB(f),SBLOCK,XS(F)::QAB(H)
- S(b);N_GUARD,XP(B)::R(A)
- R(a);N_GUARD::R(A)
- R(a);N_GUARD::R(A),XR(a)
- B(f);N_GUARD::S(I),XB(f)
- B(f);N_GUARD::S(I)
- S(b);N_GUARD::R(A)
- S(b);N_GUARD::R(A),XS(b)
- S(g);N_GUARD::S(I)
- S(g);N_GUARD::S(I),XS(g)
- Refutation
- R(a);
- Try
- Actual
- R(C);
- Vars
- B(f);P_SPINB(f),SBLOCK,XS(F)::QAB(H),XP(e)
- S(b);N_GUARD,XP(B)::R(A)
- R(a);N_GUARD::R(A)
- R(a);N_GUARD::R(A),XR(a)
- R(a);SBLOCK::R1(C)
- B(f);N_GUARD::S(I),XB(f)
- B(f);N_GUARD::S(I)
- S(b);N_GUARD::R(A)
- S(b);N_GUARD::R(A),XS(b)
- S(g);N_GUARD::S(I)
- S(g);N_GUARD::S(I),XS(g)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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