MESON Chess Problem Database
Problem Display
PID: 146476 (3RN1Q1/3r1p1K/1p1PkpPP/1R1n1r2/2PP1nB1/4p3/4P3/8 w - - 0 1)
Kemp, Charles Edward
Grantham Journal, 1926
(First published on Sat Mar 20 1926)
#2
12 + 9
| 15044 | Kemp Archive | 2013 |
SOLUTION
- SOUND
- Sets
- 1...Rxd6
- 2.Qxf7#
- 1...Ra7
- 2.Sg7#
- 1...Rb7
- 2.Sg7#
- 1...Rc7
- 2.Sg7#
- 1...Re7
- 2.Sg7#
- 1...Rxd8
- 2.Qxf7#
- 1...Sxe2
- 2.cxd5#
- 1...Sg2
- 2.cxd5#
- 1...Sd3
- 2.cxd5#
- 1...Sh3
- 2.cxd5#
- 1...Sh5
- 2.cxd5#
- 1...Sxg6
- 2.cxd5#
- 1...Sc3
- 2.Bxf5#
- 1...Sb4
- 2.Bxf5#
- 1...Sc7
- 2.Bxf5#
- 1...Se7
- 2.Qxf7#
- 1...Rxd6
- Tries
- 1.Kh8?
- 1...Rxd6
- 2.Qxf7#
- 1...Rxd8
- 2.Qxf7#
- 1...Sxe2
- 2.cxd5#
- 1...Ra7
- 2.Sg7#
- 1...Rb7
- 2.Sg7#
- 1...Rc7
- 2.Sg7#
- 1...Re7
- 2.Sg7#
- 1...Sg2
- 2.cxd5#
- 1...Sd3
- 2.cxd5#
- 1...Sh3
- 2.cxd5#
- 1...Sh5
- 2.cxd5#
- 1...Sc3
- 2.Bxf5#
- 1...Sb4
- 2.Bxf5#
- 1...Sc7
- 2.Bxf5#
- 1...Se7
- 2.Qxf7#
- 1...Sxg6+!
- 1...Rxd6
- 1.Bh3?
- 1...Rxd6
- 2.Qxf7#
- 1...Rxd8
- 2.Qxf7#
- 1...Sxe2
- 2.cxd5#
- 1...Sxg6
- 2.cxd5#
- 1...Ra7
- 2.Sg7#
- 1...Rb7
- 2.Sg7#
- 1...Rc7
- 2.Sg7#
- 1...Re7
- 2.Sg7#
- 1...Sg2
- 2.cxd5#
- 1...Sd3
- 2.cxd5#
- 1...Sh5
- 2.cxd5#
- 1...Sc3
- 2.Bxf5#
- 1...Sb4
- 2.Bxf5#
- 1...Sc7
- 2.Bxf5#
- 1...Se7
- 2.Qxf7#
- 1...Sxh3!
- 1...Rxd6
- 1.Rxd5?
- threat
- 2.Sg7#
- 2.Bxf5#
- 1...Rxd6
- 2.Qxf7#
- 1...Rxd8
- 2.Bxf5#
- 2.Qxf7#
- 1...Sh5
- 2.Bxf5#
- 1...Sxd5!
- threat
- 1.Rxd7?
- threat
- 2.Qxf7#
- 1...Se7
- 2.Rxe7#
- 1...Kxd7!
- threat
- 1.Qf8?
- threat
- 2.Sg7#
- 1...Rxd8
- 2.Qxf7#
- 1...Sh5
- 2.cxd5#
- 1...Se7
- 2.Qxf7#
- 1...fxg6+!
- threat
- 1.Kh8?
- Keys
- 1.gxf7!
- 1...Rxf7+
- 2.Sg7#
- 1...Rxd6
- 2.f8Q#
- 2.f8B#
- 1...Rxd8
- 2.f8S#
- 1...Sxe2
- 2.cxd5#
- 1...Ra7
- 2.Sg7#
- 1...Rb7
- 2.Sg7#
- 1...Rc7
- 2.Sg7#
- 1...Re7
- 2.Sg7#
- 1...Sg2
- 2.cxd5#
- 1...Sd3
- 2.cxd5#
- 1...Sh3
- 2.cxd5#
- 1...Sh5
- 2.cxd5#
- 1...Sg6
- 2.cxd5#
- 1...Sc3
- 2.Bxf5#
- 1...Sb4
- 2.Bxf5#
- 1...Sc7
- 2.Bxf5#
- 1...Se7
- 2.f8S#
- 1...Rxf7+
- 1.gxf7!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- R(h);N_GUARD,XP(F)::QAB1(L),XP(i)
- R(h);::S(K)
- R(h);N_GUARD,XR(J)::QAB1(L),XP(i)
- S(b);N_GUARD,XP(A)::P(B),XS(c)
- S(b);N_GUARD::P(B),XS(c)
- S(b);N_GUARD,XP(G)::P(B),XS(c)
- S(c);::B(D),XR(d)
- S(c);S_CUTR(h)::QAB1(L),XP(i)
- Tries
- Try
- K(I);P-FLIGHT
- Vars
- R(h);N_GUARD,XP(F)::QAB1(L),XP(i)
- R(h);N_GUARD,XR(J)::QAB1(L),XP(i)
- S(b);N_GUARD,XP(A)::P(B),XS(c)
- R(h);::S(K)
- S(b);N_GUARD::P(B),XS(c)
- S(c);::B(D),XR(d)
- S(c);S_CUTR(h)::QAB1(L),XP(i)
- Refutation
- S(b);CHECK,XP(G)
- Try
- B(D);
- Vars
- R(h);N_GUARD,XP(F)::QAB1(L),XP(i)
- R(h);N_GUARD,XR(J)::QAB1(L),XP(i)
- S(b);N_GUARD,XP(A)::P(B),XS(c)
- S(b);N_GUARD,XP(G)::P(B),XS(c)
- R(h);::S(K)
- S(b);N_GUARD::P(B),XS(c)
- S(c);::B(D),XR(d)
- S(c);S_CUTR(h)::QAB1(L),XP(i)
- Refutation
- S(b);N_SPINR(d),XB(D)
- Try
- R(E);XS(c)
- Threat
- DUALS(2)
- Vars
- R(h);N_GUARD,XP(F)::QAB1(L),XP(i)
- S(b);::B(D),XR(d)
- Refutation
- S(b);XR(E)
- Try
- R(J);XR(h)
- Threat
- QAB1(L),XP(i)
- Vars
- S(c);N_GUARD::R1(J),XS(c)
- Refutation
- K(f);N_SPINP(i),S_FLIGHT,XR(J)
- Try
- Q(L);N_PINP(i)
- Threat
- S(K)
- Vars
- R(h);N_GUARD,XR(J)::QAB1(L),XP(i)
- S(b);N_GUARD::P(B),XS(c)
- S(c);S_CUTR(h)::QAB1(L),XP(i)
- Refutation
- P(i);CHECK,XP(G)
- Try
- Actual
- P(G);P_SPINP(G),XP(i)
- Vars
- R(h);CHECK,XP(G)::S(K)
- R(h);N_PINP(G),XP(F)::P=Q
- R(h);N_PINP(G),XR(J)::P=S
- S(b);N_GUARD,XP(A)::P(B),XS(c)
- R(h);::S(K)
- S(b);N_GUARD::P(B),XS(c)
- S(c);::B(D),XR(d)
- S(c);N_PINP(G)::P=S
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