MESON Chess Problem Database
Problem Display
PID: 161440 (1K2n3/5N2/4p3/1R1bpP1r/n3k3/1N6/2Pp1Q2/3r2B1 w - - 0 1)
Lawton, Howard
Sunday Chronicle, 1944
(First published on Sun Mar 19 1944)
#2
8 + 9
| 14867 | BCPS Library | 2017 |
| 15239 | Valois Notebooks | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Sxd2#
- 1...Rb1
- 2.Sxd2#
- 1...Rc1
- 2.Sxd2#
- 1...Re1
- 2.Sxd2#
- 1...Rf1
- 2.Sxd2#
- 1...Rxg1
- 2.Sxd2#
- 1...Rh1
- 2.Sg5#
- 1...Rh2
- 2.Sg5#
- 1...Rh3
- 2.Sg5#
- 1...Rh4
- 2.Sg5#
- 1...Rxf5
- 2.Qe3#
- 1...Rg5
- 2.Sxg5#
- 1...Rh6
- 2.Sg5#
- 1...Rh7
- 2.Sg5#
- 1...Rh8
- 2.Sg5#
- 1...Bxb3
- 2.Rxe5#
- 1...Bc4
- 2.Rxe5#
- 1...Bc6
- 2.Rxe5#
- 1...Bb7
- 2.Rxe5#
- 1...Ba8
- 2.Rxe5#
- 1...Sb2
- 2.Sc5#
- 1...Sc3
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Sb6
- 2.Sc5#
- 1...Sd6
- 2.Sxd6#
- 1...Sf6
- 2.Sd6#
- 1...Sc7
- 2.Sd6#
- 1...Sg7
- 2.Sd6#
- 1...exf5
- 2.Qe3#
- 1...Ra1
- Tries
- 1.Ka7?
- 1...Rxg1
- 2.Sxd2#
- 1...Rxf5
- 2.Qe3#
- 1...Bxb3
- 2.Rxe5#
- 1...exf5
- 2.Qe3#
- 1...Ra1
- 2.Sxd2#
- 1...Rb1
- 2.Sxd2#
- 1...Rc1
- 2.Sxd2#
- 1...Re1
- 2.Sxd2#
- 1...Rf1
- 2.Sxd2#
- 1...Rh1
- 2.Sg5#
- 1...Rh2
- 2.Sg5#
- 1...Rh3
- 2.Sg5#
- 1...Rh4
- 2.Sg5#
- 1...Rg5
- 2.Sxg5#
- 1...Rh6
- 2.Sg5#
- 1...Rh8
- 2.Sg5#
- 1...Bc4
- 2.Rxe5#
- 1...Bc6
- 2.Rxe5#
- 1...Bb7
- 2.Rxe5#
- 1...Ba8
- 2.Rxe5#
- 1...Sb2
- 2.Sc5#
- 1...Sc3
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Sb6
- 2.Sc5#
- 1...Sd6
- 2.Sxd6#
- 1...Sf6
- 2.Sd6#
- 1...Sc7
- 2.Sd6#
- 1...Sg7
- 2.Sd6#
- 1...Rh7!
- 1...Rxg1
- 1.Ra5?
- 1...Rxg1
- 2.Sxd2#
- 1...Rxf5
- 2.Qe3#
- 1...Bxb3
- 2.Rxe5#
- 1...exf5
- 2.Qe3#
- 1...Ra1
- 2.Sxd2#
- 1...Rc1
- 2.Sxd2#
- 1...Re1
- 2.Sxd2#
- 1...Rf1
- 2.Sxd2#
- 1...Rh1
- 2.Sg5#
- 1...Rh2
- 2.Sg5#
- 1...Rh3
- 2.Sg5#
- 1...Rh4
- 2.Sg5#
- 1...Rg5
- 2.Sxg5#
- 1...Rh6
- 2.Sg5#
- 1...Rh7
- 2.Sg5#
- 1...Rh8
- 2.Sg5#
- 1...Bc4
- 2.Rxe5#
- 1...Bc6
- 2.Rxe5#
- 1...Bb7
- 2.Rxe5#
- 1...Ba8
- 2.Rxe5#
- 1...Sb2
- 2.Sc5#
- 1...Sc3
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Sb6
- 2.Sc5#
- 1...Sd6
- 2.Sxd6#
- 1...Sf6
- 2.Sd6#
- 1...Sc7
- 2.Sd6#
- 1...Sg7
- 2.Sd6#
- 1...Rb1!
- 1...Rxg1
- 1.Ka7?
- Keys
- 1.Bh2!
- 1...Rxh2
- 2.Sg5#
- 1...Rxf5
- 2.Qe2#
- 1...Bxb3
- 2.Rxe5#
- 1...exf5
- 2.Qe2#
- 1...Ra1
- 2.Sxd2#
- 1...Rb1
- 2.Sxd2#
- 1...Rc1
- 2.Sxd2#
- 1...Re1
- 2.Sxd2#
- 1...Rf1
- 2.Sxd2#
- 1...Rg1
- 2.Sxd2#
- 1...Rh1
- 2.Sxd2#
- 1...Rh3
- 2.Sg5#
- 1...Rh4
- 2.Sg5#
- 1...Rg5
- 2.Sxg5#
- 1...Rh6
- 2.Sg5#
- 1...Rh7
- 2.Sg5#
- 1...Rh8
- 2.Sg5#
- 1...Bc4
- 2.Rxe5#
- 1...Bc6
- 2.Rxe5#
- 1...Bb7
- 2.Rxe5#
- 1...Ba8
- 2.Rxe5#
- 1...Sb2
- 2.Sc5#
- 1...Sc3
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Sb6
- 2.Sc5#
- 1...Sd6
- 2.Sxd6#
- 1...Sf6
- 2.Sd6#
- 1...Sc7
- 2.Sd6#
- 1...Sg7
- 2.Sd6#
- 1...Rxh2
- 1.Bh2!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- R(a);N_GUARD::S(D),XP(b)
- R(a);N_GUARD,XB(A)::S(D),XP(b)
- R(g);N_GUARD::S(G)
- R(g);SBLOCK,XP(F)::QAR1(C)
- R(g);N_GUARD::S(G),XR(g)
- B(e);OGATE,XS(D)::R1(E),XP(f)
- B(e);OGATE::R1(E),XP(f)
- S(c);N_GUARD::S(D)
- S(c);N_GUARD::S(D),XS(c)
- S(i);N_GUARD::S(G),XS(i)
- S(i);N_GUARD::S(G)
- P(h);SBLOCK,XP(F)::QAR1(C)
- Tries
- Try
- K(H);S_FLIGHT
- Vars
- R(a);N_GUARD,XB(A)::S(D),XP(b)
- R(g);SBLOCK,XP(F)::QAR1(C)
- B(e);OGATE,XS(D)::R1(E),XP(f)
- P(h);SBLOCK,XP(F)::QAR1(C)
- R(a);N_GUARD::S(D),XP(b)
- R(g);N_GUARD::S(G)
- R(g);N_GUARD::S(G),XR(g)
- B(e);OGATE::R1(E),XP(f)
- S(c);N_GUARD::S(D)
- S(c);N_GUARD::S(D),XS(c)
- S(i);N_GUARD::S(G),XS(i)
- S(i);N_GUARD::S(G)
- Refutation
- R(g);P_PINS(G)
- Try
- R(E);
- Vars
- R(a);N_GUARD,XB(A)::S(D),XP(b)
- R(g);SBLOCK,XP(F)::QAR1(C)
- B(e);OGATE,XS(D)::R1(E),XP(f)
- P(h);SBLOCK,XP(F)::QAR1(C)
- R(a);N_GUARD::S(D),XP(b)
- R(g);N_GUARD::S(G)
- R(g);N_GUARD::S(G),XR(g)
- B(e);OGATE::R1(E),XP(f)
- S(c);N_GUARD::S(D)
- S(c);N_GUARD::S(D),XS(c)
- S(i);N_GUARD::S(G),XS(i)
- S(i);N_GUARD::S(G)
- Refutation
- R(a);P_PINS(D)
- Try
- Actual
- B(A);
- Vars
- R(g);N_GUARD,XB(A)::S(G)
- R(g);SBLOCK,XP(F)::QAR2(C)
- B(e);OGATE,XS(D)::R1(E),XP(f)
- P(h);SBLOCK,XP(F)::QAR2(C)
- R(a);N_GUARD::S(D),XP(b)
- R(g);N_GUARD::S(G)
- R(g);N_GUARD::S(G),XR(g)
- B(e);OGATE::R1(E),XP(f)
- S(c);N_GUARD::S(D)
- S(c);N_GUARD::S(D),XS(c)
- S(i);N_GUARD::S(G),XS(i)
- S(i);N_GUARD::S(G)
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