MESON Chess Problem Database
Problem Display
PID: 202299 (8/4Q3/3P1P2/4K3/4p3/4P3/3PrP2/2RNkNR1 w - - 0 1)
Dawson, Thomas Rayner
1st Prize, Hastings and St. Leonards Observer, 1923
#2
11 + 3
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Rxd2
- 2.Sg3#
- 1...Rxf2
- 2.Sc3#
- 1...Rxd2
- Tries
- 1.Kxe4?
- 1...Rxd2
- 2.Sg3#
- 1...Rxf2
- 2.Sc3#
- 1...Rxe3+!
- 1...Rxd2
- 1.Ke6?
- 1...Rxd2
- 2.Sg3#
- 1...Rxf2
- 2.Sc3#
- 1...Rxe3!
- 1...Rxd2
- 1.Ra1?
- 1...Rxd2
- 2.Sg3#
- 1...Rxf2
- 2.Sc3#
- 1...Rxe3!
- 1...Rxd2
- 1.Rb1?
- 1...Rxd2
- 2.Sg3#
- 1...Rxf2
- 2.Sc3#
- 1...Rxe3!
- 1...Rxd2
- 1.Rh1?
- 1...Rxd2
- 2.Sg3#
- 1...Rxf2
- 2.Sc3#
- 1...Rxe3!
- 1...Rxd2
- 1.Qd8?
- 1...Rxd2
- 2.Sg3#
- 1...Rxf2
- 2.Sc3#
- 1...Rxe3!
- 1...Rxd2
- 1.Qf8?
- 1...Rxd2
- 2.Sg3#
- 1...Rxf2
- 2.Sc3#
- 1...Rxe3!
- 1...Rxd2
- 1.Qe6?
- 1...Rxd2
- 2.Sg3#
- 1...Rxf2
- 2.Sc3#
- 1...Rxe3!
- 1...Rxd2
- 1.Qb7?
- 1...Rxd2
- 2.Sg3#
- 1...Rxf2
- 2.Sc3#
- 1...Rxe3!
- 1...Rxd2
- 1.Qc7?
- 1...Rxd2
- 2.Sg3#
- 1...Rxf2
- 2.Sc3#
- 1...Rxe3!
- 1...Rxd2
- 1.Qd7?
- 1...Rxd2
- 2.Sg3#
- 1...Rxf2
- 2.Sc3#
- 1...Rxe3!
- 1...Rxd2
- 1.Qf7?
- 1...Rxd2
- 2.Sg3#
- 1...Rxf2
- 2.Sc3#
- 1...Rxe3!
- 1...Rxd2
- 1.Qg7?
- 1...Rxd2
- 2.Sg3#
- 1...Rxf2
- 2.Sc3#
- 1...Rxe3!
- 1...Rxd2
- 1.Qh7?
- 1...Rxd2
- 2.Sg3#
- 1...Rxf2
- 2.Sc3#
- 1...Rxe3!
- 1...Rxd2
- 1.Qe8?
- 1...Rxd2
- 2.Sg3#
- 1...Rxf2
- 2.Sc3#
- 1...Rxe3!
- 1...Rxd2
- 1.d7?
- 1...Rxd2
- 2.Sg3#
- 1...Rxf2
- 2.Sc3#
- 1...Rxe3!
- 1...Rxd2
- 1.f7?
- 1...Rxd2
- 2.Sg3#
- 1...Rxf2
- 2.Sc3#
- 1...Rxe3!
- 1...Rxd2
- 1.Kxe4?
- Keys
- 1.Qa7!
- 1...Rxd2
- 2.Sg3#
- 1...Rxf2
- 2.Sc3#
- 1...Rxe3
- 2.Qxe3#
- 1...Rxd2
- 1.Qa7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(b);SBLOCK,XP(E)::R(D)+S(C)
- R(b);SBLOCK,XP(F)::R(A)+S(B)
- Tries
- Try
- K(H);P-FLIGHT,P_SPINP(G),XP(c)
- Vars
- R(b);N_PINP(G),SBLOCK,XP(E)::R(D)+S(C)
- R(b);N_PINP(G),SBLOCK,XP(F)::R(A)+S(B)
- Refutation
- R(b);CHECK,XP(G)
- Try
- K(H);P-FLIGHT
- Vars
- R(b);SBLOCK,XP(E)::R(D)+S(C)
- R(b);SBLOCK,XP(F)::R(A)+S(B)
- Refutation
- R(b);XP(G)
- Try
- R(A);
- Vars
- R(b);SBLOCK,XP(E)::R(D)+S(C)
- R(b);SBLOCK,XP(F)::R(A)+S(B)
- Refutation
- R(b);XP(G)
- Try
- R(A);
- Vars
- R(b);SBLOCK,XP(E)::R(D)+S(C)
- R(b);SBLOCK,XP(F)::R(A)+S(B)
- Refutation
- R(b);XP(G)
- Try
- R(D);
- Vars
- R(b);SBLOCK,XP(E)::R(D)+S(C)
- R(b);SBLOCK,XP(F)::R(A)+S(B)
- Refutation
- R(b);XP(G)
- Try
- Q(K);
- Vars
- R(b);SBLOCK,XP(E)::R(D)+S(C)
- R(b);SBLOCK,XP(F)::R(A)+S(B)
- Refutation
- R(b);XP(G)
- Try
- Q(K);
- Vars
- R(b);SBLOCK,XP(E)::R(D)+S(C)
- R(b);SBLOCK,XP(F)::R(A)+S(B)
- Refutation
- R(b);XP(G)
- Try
- Q(K);
- Vars
- R(b);SBLOCK,XP(E)::R(D)+S(C)
- R(b);SBLOCK,XP(F)::R(A)+S(B)
- Refutation
- R(b);XP(G)
- Try
- Q(K);
- Vars
- R(b);SBLOCK,XP(E)::R(D)+S(C)
- R(b);SBLOCK,XP(F)::R(A)+S(B)
- Refutation
- R(b);XP(G)
- Try
- Q(K);
- Vars
- R(b);SBLOCK,XP(E)::R(D)+S(C)
- R(b);SBLOCK,XP(F)::R(A)+S(B)
- Refutation
- R(b);XP(G)
- Try
- Q(K);
- Vars
- R(b);SBLOCK,XP(E)::R(D)+S(C)
- R(b);SBLOCK,XP(F)::R(A)+S(B)
- Refutation
- R(b);XP(G)
- Try
- Q(K);
- Vars
- R(b);SBLOCK,XP(E)::R(D)+S(C)
- R(b);SBLOCK,XP(F)::R(A)+S(B)
- Refutation
- R(b);XP(G)
- Try
- Q(K);
- Vars
- R(b);SBLOCK,XP(E)::R(D)+S(C)
- R(b);SBLOCK,XP(F)::R(A)+S(B)
- Refutation
- R(b);XP(G)
- Try
- Q(K);
- Vars
- R(b);SBLOCK,XP(E)::R(D)+S(C)
- R(b);SBLOCK,XP(F)::R(A)+S(B)
- Refutation
- R(b);XP(G)
- Try
- Q(K);
- Vars
- R(b);SBLOCK,XP(E)::R(D)+S(C)
- R(b);SBLOCK,XP(F)::R(A)+S(B)
- Refutation
- R(b);XP(G)
- Try
- P(I);
- Vars
- R(b);SBLOCK,XP(E)::R(D)+S(C)
- R(b);SBLOCK,XP(F)::R(A)+S(B)
- Refutation
- R(b);XP(G)
- Try
- P(J);
- Vars
- R(b);SBLOCK,XP(E)::R(D)+S(C)
- R(b);SBLOCK,XP(F)::R(A)+S(B)
- Refutation
- R(b);XP(G)
- Try
- Actual
- Q(K);
- Vars
- R(b);SBLOCK,XP(E)::R(D)+S(C)
- R(b);SBLOCK,XP(F)::R(A)+S(B)
- R(b);OGATE,XP(G)::QAR2(K),XR(b)
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