MESON Chess Problem Database
Problem Display
PID: 2969 (6b1/5n1p/5r1P/3p3R/3p1k2/p2P1p1B/K7/6Q1 w - - 0 1)
Williams, Philip Hamilton
Source?, 1914
#2
6 + 9
| 2681 | All Change Here! | 1919 |
SOLUTION
- SOUND
- Sets
- 1...Rf5
- 2.Rxf5#
- 1...Ra6
- 2.Rf5#
- 1...Rb6
- 2.Rf5#
- 1...Rc6
- 2.Rf5#
- 1...Rd6
- 2.Rf5#
- 1...Re6
- 2.Rf5#
- 1...Rg6
- 2.Rf5#
- 1...Rxh6
- 2.Rf5#
- 1...Se5
- 2.Qg5#
- 1...Sg5
- 2.Qxg5#
- 1...Sd6
- 2.Qg5#
- 1...Sxh6
- 2.Qg5#
- 1...Sd8
- 2.Qg5#
- 1...Sh8
- 2.Qg5#
- 1...f2
- 2.Qxf2#
- 1...Rf5
- Tries
- 1.Ka1?
- 1...Rxh6
- 2.Rf5#
- 1...Sxh6
- 2.Qg5#
- 1...Rf5
- 2.Rxf5#
- 1...Sg5
- 2.Qxg5#
- 1...f2
- 2.Qxf2#
- 1...Ra6
- 2.Rf5#
- 1...Rb6
- 2.Rf5#
- 1...Rc6
- 2.Rf5#
- 1...Rd6
- 2.Rf5#
- 1...Re6
- 2.Rf5#
- 1...Rg6
- 2.Rf5#
- 1...Se5
- 2.Qg5#
- 1...Sd6
- 2.Qg5#
- 1...Sd8
- 2.Qg5#
- 1...Sh8
- 2.Qg5#
- 1...a2!
- 1...Rxh6
- 1.Kxa3?
- 1...Rxh6
- 2.Rf5#
- 1...Sxh6
- 2.Qg5#
- 1...Rf5
- 2.Rxf5#
- 1...Sg5
- 2.Qxg5#
- 1...f2
- 2.Qxf2#
- 1...Rb6
- 2.Rf5#
- 1...Rc6
- 2.Rf5#
- 1...Rd6
- 2.Rf5#
- 1...Re6
- 2.Rf5#
- 1...Rg6
- 2.Rf5#
- 1...Se5
- 2.Qg5#
- 1...Sd6
- 2.Qg5#
- 1...Sd8
- 2.Qg5#
- 1...Sh8
- 2.Qg5#
- 1...Ra6+!
- 1...Rxh6
- 1.Be6?
- 1...Rxh6
- 2.Rf5#
- 1...Sxh6
- 2.Qg5#
- 1...Rf5
- 2.Rxf5#
- 1...Sg5
- 2.Qxg5#
- 1...f2
- 2.Qxf2#
- 1...Rg6
- 2.Rf5#
- 1...Se5
- 2.Qg5#
- 1...Sd6
- 2.Qg5#
- 1...Sd8
- 2.Qg5#
- 1...Sh8
- 2.Qg5#
- 1...Rxe6!
- 1...Rxh6
- 1.Bd7?
- 1...Rxh6
- 2.Rf5#
- 1...Sxh6
- 2.Qg5#
- 1...Rf5
- 2.Rxf5#
- 1...Sg5
- 2.Qxg5#
- 1...f2
- 2.Qxf2#
- 1...Ra6
- 2.Rf5#
- 1...Rb6
- 2.Rf5#
- 1...Rc6
- 2.Rf5#
- 1...Rd6
- 2.Rf5#
- 1...Rg6
- 2.Rf5#
- 1...Se5
- 2.Qg5#
- 1...Sd6
- 2.Qg5#
- 1...Sd8
- 2.Qg5#
- 1...Sh8
- 2.Qg5#
- 1...Re6!
- 1...Rxh6
- 1.Bc8?
- 1...Rxh6
- 2.Rf5#
- 1...Sxh6
- 2.Qg5#
- 1...Rf5
- 2.Rxf5#
- 1...Sg5
- 2.Qxg5#
- 1...f2
- 2.Qxf2#
- 1...Ra6
- 2.Rf5#
- 1...Rb6
- 2.Rf5#
- 1...Rc6
- 2.Rf5#
- 1...Rd6
- 2.Rf5#
- 1...Rg6
- 2.Rf5#
- 1...Se5
- 2.Qg5#
- 1...Sd6
- 2.Qg5#
- 1...Sd8
- 2.Qg5#
- 1...Sh8
- 2.Qg5#
- 1...Re6!
- 1...Rxh6
- 1.Rxd5?
- 1...Rxh6
- 2.Rf5#
- 1...Sxh6
- 2.Qg5#
- 1...f2
- 2.Qxf2#
- 1...Rf5
- 2.Rxf5#
- 1...Ra6
- 2.Rf5#
- 1...Rb6
- 2.Rf5#
- 1...Rc6
- 2.Rf5#
- 1...Rd6
- 2.Rf5#
- 1...Re6
- 2.Rf5#
- 1...Rg6
- 2.Rf5#
- 1...Sg5
- 2.Qxg5#
- 1...Sd6
- 2.Qg5#
- 1...Sd8
- 2.Qg5#
- 1...Sh8
- 2.Qg5#
- 1...Se5!
- 1...Rxh6
- 1.Rg5?
- threat
- 2.Qc1#
- 1...Rf5
- 2.Rxf5#
- 1...f2
- 2.Qg3#
- 1...Rc6
- 2.Rf5#
- 1...Re6
- 2.Rf5#
- 1...Sxg5!
- threat
- 1.Ka1?
- Keys
- 1.Qe1!
- 1...Rxh6
- 2.Rf5#
- 1...Sxh6
- 2.Qe5#
- 1...f2
- 2.Qxf2#
- 1...Rf5
- 2.Rxf5#
- 1...Ra6
- 2.Rf5#
- 1...Rb6
- 2.Rf5#
- 1...Rc6
- 2.Rf5#
- 1...Rd6
- 2.Rf5#
- 1...Re6
- 2.Rf5#
- 1...Rg6
- 2.Rf5#
- 1...Se5
- 2.Qxe5#
- 1...Sg5
- 2.Rh4#
- 1...Sd6
- 2.Qe5#
- 1...Sd8
- 2.Qe5#
- 1...Sh8
- 2.Qe5#
- 1...Rxh6
- 1.Qe1!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 6
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(f);N_GUARD::R1(E),XR(f)
- R(f);N_GUARD::R1(E)
- R(f);N_GUARD,XP(F)::R1(E)
- S(g);N_GUARD::QAB1(A)
- S(g);N_GUARD::QAB1(A),XS(g)
- S(g);N_GUARD,XP(F)::QAB1(A)
- P(b);OGATEB::QAR2(A),XP(b)
- Tries
- Try
- K(B);P-FLIGHT
- Vars
- R(f);N_GUARD,XP(F)::R1(E)
- S(g);N_GUARD,XP(F)::QAB1(A)
- R(f);N_GUARD::R1(E),XR(f)
- S(g);N_GUARD::QAB1(A),XS(g)
- P(b);OGATEB::QAR2(A),XP(b)
- R(f);N_GUARD::R1(E)
- S(g);N_GUARD::QAB1(A)
- Refutation
- P(a);
- Try
- K(B);P-FLIGHT,XP(a)
- Vars
- R(f);N_GUARD,XP(F)::R1(E)
- S(g);N_GUARD,XP(F)::QAB1(A)
- R(f);N_GUARD::R1(E),XR(f)
- S(g);N_GUARD::QAB1(A),XS(g)
- P(b);OGATEB::QAR2(A),XP(b)
- R(f);N_GUARD::R1(E)
- S(g);N_GUARD::QAB1(A)
- Refutation
- R(f);CHECK
- Try
- B(D);
- Vars
- R(f);N_GUARD,XP(F)::R1(E)
- S(g);N_GUARD,XP(F)::QAB1(A)
- R(f);N_GUARD::R1(E),XR(f)
- S(g);N_GUARD::QAB1(A),XS(g)
- P(b);OGATEB::QAR2(A),XP(b)
- R(f);N_GUARD::R1(E)
- S(g);N_GUARD::QAB1(A)
- Refutation
- R(f);XB(D)
- Try
- B(D);
- Vars
- R(f);N_GUARD,XP(F)::R1(E)
- S(g);N_GUARD,XP(F)::QAB1(A)
- R(f);N_GUARD::R1(E),XR(f)
- S(g);N_GUARD::QAB1(A),XS(g)
- P(b);OGATEB::QAR2(A),XP(b)
- R(f);N_GUARD::R1(E)
- S(g);N_GUARD::QAB1(A)
- Refutation
- R(f);
- Try
- B(D);
- Vars
- R(f);N_GUARD,XP(F)::R1(E)
- S(g);N_GUARD,XP(F)::QAB1(A)
- R(f);N_GUARD::R1(E),XR(f)
- S(g);N_GUARD::QAB1(A),XS(g)
- P(b);OGATEB::QAR2(A),XP(b)
- R(f);N_GUARD::R1(E)
- S(g);N_GUARD::QAB1(A)
- Refutation
- R(f);
- Try
- R(E);XP(e)
- Vars
- R(f);N_GUARD,XP(F)::R1(E)
- S(g);N_GUARD,P_PINR(E),XP(F)::QAB1(A)
- P(b);OGATEB::QAR2(A),XP(b)
- R(f);N_GUARD::R1(E),XR(f)
- R(f);N_GUARD::R1(E)
- S(g);N_GUARD,P_PINR(E)::QAB1(A),XS(g)
- S(g);N_GUARD,P_PINR(E)::QAB1(A)
- Refutation
- S(g);P_PINR(E)
- Try
- R(E);
- Threat
- QAB(A)
- Vars
- R(f);N_GUARD::R1(E),XR(f)
- P(b);::QAB1(A)
- R(f);N_GUARD::R1(E)
- Refutation
- S(g);XR(E)
- Try
- Actual
- Q(A);
- Vars
- R(f);N_GUARD,XP(F)::R1(E)
- S(g);N_GUARD,XP(F)::QAB1(A)
- P(b);OGATEB::QAR2(A),XP(b)
- R(f);N_GUARD::R1(E),XR(f)
- R(f);N_GUARD::R1(E)
- S(g);N_GUARD::QAB1(A),XS(g)
- S(g);SBLOCK::R(E)
- S(g);N_GUARD::QAB1(A)
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).