MESON Chess Problem Database
Problem Display
PID: 141419 (7B/8/1K1p2P1/3k1pNB/1Rp5/n7/4PrN1/5n2 w - - 0 1)
Lawton, Howard
Arbejder-Skak, 1960
#2
8 + 7
| 14867 | BCPS Library | 2011 |
SOLUTION
- SOUND
- Sets
- 1...Rxe2
- 2.Sf4#
- 1...Rxg2
- 2.Bf3#
- 1...Rf3
- 2.Bxf3#
- 1...Rf4
- 2.Sxf4#
- 1...Sd2
- 2.Se3#
- 1...Sh2
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...Sg3
- 2.Se3#
- 1...Sb1
- 2.Rb5#
- 1...Sc2
- 2.Rb5#
- 1...Sb5
- 2.Rxb5#
- 1...c3
- 2.Rd4#
- 1...Rxe2
- Tries
- 1.Bc3?
- 1...Rxe2
- 2.Sf4#
- 1...Rxg2
- 2.Bf3#
- 1...Rf4
- 2.Sxf4#
- 1...Rf3
- 2.Bxf3#
- 1...Sd2
- 2.Se3#
- 1...Sh2
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...Sg3
- 2.Se3#
- 1...Sb1
- 2.Rb5#
- 1...Sc2
- 2.Rb5#
- 1...Sb5
- 2.Rxb5#
- 1...f4!
- 1...Rxe2
- 1.Bf6?
- 1...Rxe2
- 2.Sf4#
- 1...Rxg2
- 2.Bf3#
- 1...Rf3
- 2.Bxf3#
- 1...Rf4
- 2.Sxf4#
- 1...Sd2
- 2.Se3#
- 1...Sh2
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...Sg3
- 2.Se3#
- 1...Sb1
- 2.Rb5#
- 1...Sc2
- 2.Rb5#
- 1...Sb5
- 2.Rxb5#
- 1...c3
- 2.Rd4#
- 1...f4!
- 1...Rxe2
- 1.Bg7?
- 1...Rxe2
- 2.Sf4#
- 1...Rxg2
- 2.Bf3#
- 1...Rf3
- 2.Bxf3#
- 1...Rf4
- 2.Sxf4#
- 1...Sd2
- 2.Se3#
- 1...Sh2
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...Sg3
- 2.Se3#
- 1...Sb1
- 2.Rb5#
- 1...Sc2
- 2.Rb5#
- 1...Sb5
- 2.Rxb5#
- 1...c3
- 2.Rd4#
- 1...f4!
- 1...Rxe2
- 1.g7?
- threat
- 2.g8Q#
- 2.g8B#
- 1...Kd4
- 2.g8Q#
- 2.g8B#
- 1...Ke5
- 2.g8Q#
- 2.g8B#
- 1...Rxg2
- 2.g8Q#
- 2.g8B#
- 1...f4
- 2.g8Q#
- 2.g8B#
- 1...Rf3
- 2.g8Q#
- 2.g8B#
- 1...Rf4
- 2.g8Q#
- 2.g8B#
- 1...Sd2
- 2.g8Q#
- 2.g8B#
- 1...Sh2
- 2.g8Q#
- 2.g8B#
- 1...Se3
- 2.g8Q#
- 2.g8B#
- 1...Sg3
- 2.g8Q#
- 2.g8B#
- 1...Sb1
- 2.g8Q#
- 2.g8B#
- 1...Sc2
- 2.g8Q#
- 2.g8B#
- 1...Sb5
- 2.g8Q#
- 2.g8B#
- 1...c3
- 2.g8Q#
- 2.g8B#
- 1...Rxe2!
- threat
- 1.Bc3?
- Keys
- 1.Bg4!
- 1...Rxe2
- 2.Sf4#
- 1...Rxg2
- 2.Bf3#
- 1...fxg4
- 2.e4#
- 1...Rf4
- 2.Sxf4#
- 1...Rf3
- 2.Bxf3#
- 1...Sd2
- 2.Se3#
- 1...Sh2
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...Sg3
- 2.Se3#
- 1...Sb1
- 2.Rb5#
- 1...Sc2
- 2.Rb5#
- 1...Sb5
- 2.Rxb5#
- 1...c3
- 2.Rd4#
- 1...f4
- 2.Be6#
- 1...Rxe2
- 1.Bg4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- R(b);N_GUARD,XP(A)::S(B)
- R(b);N_GUARD,XS(B)::B(E)
- R(b);N_GUARD::B(E),XR(b)
- R(b);N_GUARD::S(B),XR(b)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- S(c);N_GUARD::R(C)
- S(c);N_GUARD::R(C),XS(c)
- P(d);OGATE::R1(C)
- Tries
- Try
- B(H);
- Vars
- R(b);N_GUARD,XP(A)::S(B)
- R(b);N_GUARD,XS(B)::B(E)
- R(b);N_GUARD::S(B),XR(b)
- R(b);N_GUARD::B(E),XR(b)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- S(c);N_GUARD::R(C)
- S(c);N_GUARD::R(C),XS(c)
- Refutation
- P(f);
- Try
- B(H);
- Vars
- R(b);N_GUARD,XP(A)::S(B)
- R(b);N_GUARD,XS(B)::B(E)
- R(b);N_GUARD::B(E),XR(b)
- R(b);N_GUARD::S(B),XR(b)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- S(c);N_GUARD::R(C)
- S(c);N_GUARD::R(C),XS(c)
- P(d);OGATE::R1(C)
- Refutation
- P(f);
- Try
- B(H);
- Vars
- R(b);N_GUARD,XP(A)::S(B)
- R(b);N_GUARD,XS(B)::B(E)
- R(b);N_GUARD::B(E),XR(b)
- R(b);N_GUARD::S(B),XR(b)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- S(c);N_GUARD::R(C)
- S(c);N_GUARD::R(C),XS(c)
- P(d);OGATE::R1(C)
- Refutation
- P(f);
- Try
- P(G);
- Threat
- P=Q
- Vars
- K(e);P-FLIGHT,P_SPINP(d)::P=Q
- K(e);P-FLIGHT::P=Q
- R(b);XS(B)::P=Q
- P(f);::P=Q
- R(b);::P=Q
- S(a);::P=Q
- S(c);::P=Q
- P(d);::P=Q
- Refutation
- R(b);XP(A)
- Try
- Actual
- B(E);
- Vars
- R(b);N_GUARD,XP(A)::S(B)
- R(b);N_GUARD,XS(B)::B(E)
- P(f);N_GUARD,XB(E)::P(A)
- R(b);N_GUARD::S(B),XR(b)
- R(b);N_GUARD::B(E),XR(b)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- S(c);N_GUARD::R(C)
- S(c);N_GUARD::R(C),XS(c)
- P(d);OGATE::R1(C)
- P(f);OGATE::B(E)
Developed and maintained by Brian Stephenson.
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CSS/Javascript (jQuery, Bootstrap & DataTables).