MESON Chess Problem Database
Problem Display
PID: 78004 (8/1p3n2/1B2B3/6p1/4k2b/1p1N1p2/1N1nqPpQ/2R1R1K1 w - - 0 1)
Goulty, Allison Howard
Manchester City News, 1920
#2
9 + 10
| 6309 | BCPS Solving Ty. (Torquay) | 2008 |
SOLUTION
- SOUND
- Sets
- 1...Qxe1+
- 2.Rxe1#
- 1...Qe3
- 2.Rxe3#
- 1...Bxf2+
- 2.Sxf2#
- 1...Bg3
- 2.Qh7#
- 1...Sb1
- 2.Rc4#
- 1...Sf1
- 2.Rc4#
- 1...Sc4
- 2.Rxc4#
- 1...Se5
- 2.Qxe5#
- 1...Sd6
- 2.Qe5#
- 1...Sh6
- 2.Qe5#
- 1...Sd8
- 2.Qe5#
- 1...Sh8
- 2.Qe5#
- 1...g4
- 2.Qf4#
- 1...Qxe1+
- Tries
- 1.Bf5+?
- 1...Kd5
- 2.Sb4#
- 1...Kxf5!
- 1...Kd5
- 1.Ra1?
- 1...Qxe1+
- 2.Rxe1#
- 1...Bxf2+
- 2.Sxf2#
- 1...Qe3
- 2.Rxe3#
- 1...Bg3
- 2.Qh7#
- 1...Sb1
- 2.Ra4#
- 1...Sf1
- 2.Ra4#
- 1...Se5
- 2.Qxe5#
- 1...Sd6
- 2.Qe5#
- 1...Sh6
- 2.Qe5#
- 1...Sd8
- 2.Qe5#
- 1...Sh8
- 2.Qe5#
- 1...g4
- 2.Qf4#
- 1...Sc4!
- 1...Qxe1+
- 1.Rc3?
- 1...Bxf2+
- 2.Sxf2#
- 1...Qe3
- 2.Rxe3#
- 1...Bg3
- 2.Qh7#
- 1...Sb1
- 2.Rc4#
- 1...Sf1
- 2.Rc4#
- 1...Sc4
- 2.Rxc4#
- 1...Se5
- 2.Qxe5#
- 1...Sd6
- 2.Qe5#
- 1...Sh6
- 2.Qe5#
- 1...Sd8
- 2.Qe5#
- 1...Sh8
- 2.Qe5#
- 1...g4
- 2.Qf4#
- 1...Qxe1+!
- 1...Bxf2+
- 1.Rc7?
- 1...Bxf2+
- 2.Sxf2#
- 1...Qe3
- 2.Rxe3#
- 1...Bg3
- 2.Qh7#
- 1...Sb1
- 2.Rc4#
- 1...Sf1
- 2.Rc4#
- 1...Sc4
- 2.Rxc4#
- 1...Se5
- 2.Qxe5#
- 1...Sd6
- 2.Qe5#
- 1...Sh6
- 2.Qe5#
- 1...Sd8
- 2.Qe5#
- 1...Sh8
- 2.Qe5#
- 1...g4
- 2.Qf4#
- 1...Qxe1+!
- 1...Bxf2+
- 1.Rc8?
- 1...Bxf2+
- 2.Sxf2#
- 1...Qe3
- 2.Rxe3#
- 1...Bg3
- 2.Qh7#
- 1...Sb1
- 2.Rc4#
- 1...Sf1
- 2.Rc4#
- 1...Sc4
- 2.Rxc4#
- 1...Se5
- 2.Qxe5#
- 1...Sd6
- 2.Qe5#
- 1...Sh6
- 2.Qe5#
- 1...Sd8
- 2.Qe5#
- 1...Sh8
- 2.Qe5#
- 1...g4
- 2.Qf4#
- 1...Qxe1+!
- 1...Bxf2+
- 1.Qg3?
- threat
- 2.Qg4#
- 1...Qxe1+
- 2.Rxe1#
- 1...Se5
- 2.Qxe5#
- 1...Sh6
- 2.Qe5#
- 1...g4
- 2.Qf4#
- 2.Qxg4#
- 1...Bxg3!
- threat
- 1.Qd6?
- threat
- 2.Sc5#
- 2.Qd4#
- 2.Qd5#
- 1...Qxe1+
- 2.Rxe1#
- 1...Bxf2+
- 2.Sxf2#
- 1...Se5
- 2.Qxe5#
- 2.Qd4#
- 2.Qd5#
- 1...Sxd6!
- threat
- 1.Qc7?
- threat
- 2.Qxb7#
- 1...Qxe1+
- 2.Rxe1#
- 1...Bxf2+
- 2.Sxf2#
- 1...Se5
- 2.Qxe5#
- 1...Sd8
- 2.Qe5#
- 2.Qh7#
- 1...Sd6!
- threat
- 1.Qb8?
- threat
- 2.Qxb7#
- 1...Qxe1+
- 2.Rxe1#
- 1...Bxf2+
- 2.Sxf2#
- 1...Se5
- 2.Qxe5#
- 1...Sd8
- 2.Qe5#
- 1...Sd6!
- threat
- 1.Qxh4+?
- 1...g4
- 2.Qxg4#
- 2.Qh7#
- 1...gxh4!
- 1...g4
- 1.Bf5+?
- Keys
- 1.Rcd1!
- 1...Qxe1+
- 2.Rxe1#
- 1...Bxf2+
- 2.Sxf2#
- 1...Qe3
- 2.Rxe3#
- 1...Bg3
- 2.Qh7#
- 1...Sb1
- 2.Sc5#
- 1...Sf1
- 2.Sc5#
- 1...Sc4
- 2.Sc5#
- 1...Se5
- 2.Qxe5#
- 1...Sd6
- 2.Qe5#
- 1...Sh6
- 2.Qe5#
- 1...Sd8
- 2.Qe5#
- 1...Sh8
- 2.Qe5#
- 1...g4
- 2.Qf4#
- 1...Qxe1+
- 1.Rcd1!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 3
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- Q(b);CHECK,N_SPINQ(b),OGATE,XR(B)::R(A),XQ(b)
- Q(b);OGATE,P_PINP(E)::R1(B),XQ(b)
- B(g);CHECK,XP(E)::S(G),XB(g)
- B(g);OGATE::QAB(F)
- S(a);N_GUARD::R(A)
- S(a);N_GUARD::R(A),XS(a)
- S(j);N_GUARD::QAR1(F),XS(j)
- S(j);N_GUARD::QAR1(F)
- P(h);N_GUARD::QAR1(F)
- Tries
- Try
- B(I);CHECK
- Vars
- K(f);N_SPINQ(b),S_FLIGHT::S(G)
- Refutation
- K(f);N_SPINQ(b),S_FLIGHT,XB(I)
- Try
- R(A);
- Vars
- Q(b);CHECK,N_SPINQ(b),OGATE,XR(B)::R(A),XQ(b)
- B(g);CHECK,XP(E)::S(G),XB(g)
- Q(b);OGATE,P_PINP(E)::R1(B),XQ(b)
- B(g);OGATE::QAB(F)
- S(a);N_GUARD::R(A)
- S(j);N_GUARD::QAR1(F),XS(j)
- S(j);N_GUARD::QAR1(F)
- P(h);N_GUARD::QAR1(F)
- Refutation
- S(a);
- Try
- R(A);
- Vars
- B(g);CHECK,XP(E)::S(G),XB(g)
- Q(b);OGATE,P_PINP(E)::R1(B),XQ(b)
- B(g);OGATE::QAB(F)
- S(a);N_GUARD::R(A)
- S(a);N_GUARD::R(A),XS(a)
- S(j);N_GUARD::QAR1(F),XS(j)
- S(j);N_GUARD::QAR1(F)
- P(h);N_GUARD::QAR1(F)
- Refutation
- Q(b);CHECK,N_SPINQ(b),XR(B)
- Try
- R(A);
- Vars
- B(g);CHECK,XP(E)::S(G),XB(g)
- Q(b);OGATE,P_PINP(E)::R1(B),XQ(b)
- B(g);OGATE::QAB(F)
- S(a);N_GUARD::R(A)
- S(a);N_GUARD::R(A),XS(a)
- S(j);N_GUARD::QAR1(F),XS(j)
- S(j);N_GUARD::QAR1(F)
- P(h);N_GUARD::QAR1(F)
- Refutation
- Q(b);CHECK,N_SPINQ(b),XR(B)
- Try
- R(A);
- Vars
- B(g);CHECK,XP(E)::S(G),XB(g)
- Q(b);OGATE,P_PINP(E)::R1(B),XQ(b)
- B(g);OGATE::QAB(F)
- S(a);N_GUARD::R(A)
- S(a);N_GUARD::R(A),XS(a)
- S(j);N_GUARD::QAR1(F),XS(j)
- S(j);N_GUARD::QAR1(F)
- P(h);N_GUARD::QAR1(F)
- Refutation
- Q(b);CHECK,N_SPINQ(b),XR(B)
- Try
- Q(F);
- Threat
- QAR2(F)
- Vars
- Q(b);CHECK,N_SPINQ(b),OGATE,XR(B)::R(A),XQ(b)
- S(j);N_GUARD::QAR1(F),XS(j)
- S(j);N_GUARD::QAR1(F)
- Refutation
- B(g);XQ(F)
- Try
- Q(F);
- Threat
- DUALS(3)
- Vars
- Q(b);CHECK,N_SPINQ(b),OGATE,XR(B)::R(A),XQ(b)
- B(g);CHECK,XP(E)::S(G),XB(g)
- Refutation
- S(j);XQ(F)
- Try
- Q(F);
- Threat
- QAB(F),XP(i)
- Vars
- Q(b);CHECK,N_SPINQ(b),OGATE,XR(B)::R(A),XQ(b)
- B(g);CHECK,XP(E)::S(G),XB(g)
- S(j);N_GUARD::QAR1(F),XS(j)
- Refutation
- S(j);
- Try
- Q(F);
- Threat
- QAB(F),XP(i)
- Vars
- Q(b);CHECK,N_SPINQ(b),OGATE,XR(B)::R(A),XQ(b)
- B(g);CHECK,XP(E)::S(G),XB(g)
- S(j);N_GUARD::QAR1(F),XS(j)
- S(j);N_GUARD::QAR1(F)
- Refutation
- S(j);
- Try
- Q(F);CHECK,XB(g)
- Refutation
- P(h);XQ(F)
- Try
- Actual
- R(A);
- Vars
- Q(b);CHECK,N_SPINQ(b),OGATE,XR(B)::R(A),XQ(b)
- B(g);CHECK,XP(E)::S(G),XB(g)
- Q(b);OGATE,P_PINP(E)::R1(B),XQ(b)
- B(g);OGATE::QAB(F)
- S(a);::S(G)
- S(j);N_GUARD::QAR1(F),XS(j)
- S(j);N_GUARD::QAR1(F)
- P(h);N_GUARD::QAR1(F)
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).