MESON Chess Problem Database
Problem Display
PID: 270573 (1B1R4/p1nB4/3k1P2/K3p2r/N1P5/2p2PQ1/8/b3R2r w - - 0 1)
Baxter, FL
The Observer, 1959
(First published on Sun Apr 5 1959)
#2
10 + 8
| 17397 | Ling Notebooks | 2023 |
SOLUTION
- SOUND
- Sets
- 1...R1h3
- 2.Rd1#
- 1...Rh2
- 2.Qxe5#
- 1...R5h3
- 2.Qxe5#
- 1...Rh4
- 2.Qxe5#
- 1...Rh6
- 2.Qxe5#
- 1...Rh7
- 2.Qxe5#
- 1...Rh8
- 2.Qxe5#
- 1...R1h3
- Tries
- 1.Sc5?
- threat
- 2.Se4#
- 2.Sb7#
- 1...Rxe1
- 2.Sb7#
- 1...R1h4
- 2.Sb7#
- 1...R5h4
- 2.Sb7#
- 2.Qxe5#
- 1...Kxc5!
- threat
- 1.Rxe5?
- threat
- 2.Bb5#
- 2.Be8#
- 2.Rd5#
- 2.Rf5#
- 2.Rg5#
- 2.Rxh5#
- 2.c5#
- 1...Re1
- 2.Bb5#
- 2.Be8#
- 2.Rd5#
- 2.c5#
- 1...Rg1
- 2.Bb5#
- 2.Be8#
- 2.Rd5#
- 2.c5#
- 1...R1h3
- 2.Bb5#
- 2.Be8#
- 2.Rd5#
- 2.c5#
- 1...R1h4
- 2.Bb5#
- 2.Be8#
- 2.Rd5#
- 2.c5#
- 1...R5h2
- 2.Bb5#
- 2.Be8#
- 2.Re1#
- 2.Re2#
- 2.Re3#
- 2.Re4#
- 2.Rb5#
- 2.Rc5#
- 2.Rd5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 2.Re6#
- 2.Re7#
- 2.Ree8#
- 2.c5#
- 1...R5h3
- 2.Bb5#
- 2.Be8#
- 2.Rd5#
- 2.Re6#
- 2.c5#
- 1...R5h4
- 2.Bb5#
- 2.Be8#
- 2.Rd5#
- 2.Re6#
- 2.c5#
- 1...Rf5
- 2.Bb5#
- 2.Be8#
- 2.Rd5#
- 2.Rxf5#
- 2.c5#
- 1...Rg5
- 2.Bb5#
- 2.Be8#
- 2.Rd5#
- 2.Rxg5#
- 2.c5#
- 1...Rh6
- 2.Bb5#
- 2.Be8#
- 2.Re1#
- 2.Re2#
- 2.Re3#
- 2.Re4#
- 2.Rb5#
- 2.Rc5#
- 2.Rd5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 2.Re6#
- 2.Re7#
- 2.Ree8#
- 2.c5#
- 1...Rh7
- 2.Re1#
- 2.Re2#
- 2.Re3#
- 2.Re4#
- 2.Rb5#
- 2.Rc5#
- 2.Rd5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 2.Re6#
- 2.Re7#
- 2.Ree8#
- 2.c5#
- 1...Rh8
- 2.Be8#
- 2.Re1#
- 2.Re2#
- 2.Re3#
- 2.Re4#
- 2.Rb5#
- 2.Rc5#
- 2.Rd5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 2.Re6#
- 2.Re7#
- 2.Ree8#
- 2.c5#
- 1...c2
- 2.Bb5#
- 2.Be8#
- 2.Rd5#
- 2.c5#
- 1...Rxe5+!
- threat
- 1.Qg8?
- threat
- 2.Bb5#
- 2.Be8#
- 2.Qd5#
- 2.Qe6#
- 2.Qf8#
- 2.c5#
- 1...Rh7
- 2.Qd5#
- 2.Qe6#
- 2.c5#
- 1...Rh8
- 2.Bb5#
- 2.Be8#
- 2.Qd5#
- 2.Qe6#
- 2.c5#
- 1...e4+!
- threat
- 1.f7?
- threat
- 2.f8Q#
- 2.f8B#
- 1...Ke7
- 2.f8Q#
- 1...Rxe1
- 2.f8Q#
- 2.f8B#
- 1...R1h4
- 2.f8Q#
- 2.f8B#
- 1...Rf1
- 2.f8Q#
- 2.f8B#
- 1...Rg1
- 2.f8Q#
- 2.f8B#
- 1...R1h2
- 2.f8Q#
- 2.f8B#
- 1...R1h3
- 2.f8Q#
- 2.f8B#
- 1...R5h2
- 2.Qxe5#
- 2.f8Q#
- 2.f8B#
- 1...R5h3
- 2.Qxe5#
- 2.f8Q#
- 2.f8B#
- 1...R5h4
- 2.Qxe5#
- 2.f8Q#
- 2.f8B#
- 1...Rg5
- 2.f8Q#
- 2.f8B#
- 1...Rh6
- 2.Qxe5#
- 2.f8Q#
- 2.f8B#
- 1...Rh7
- 2.Qxe5#
- 1...Rh8
- 2.Qxe5#
- 1...Bb2
- 2.f8Q#
- 2.f8B#
- 1...c2
- 2.f8Q#
- 2.f8B#
- 1...a6
- 2.f8Q#
- 2.f8B#
- 1...Rf5!
- threat
- 1.Sc5?
- Keys
- 1.f4!
- threat
- 2.Qd3#
- 1...exf4+
- 2.Bb5#
- 1...e4+
- 2.f5#
- 1...R1h3
- 2.Rd1#
- 1...R5h3
- 2.fxe5#
- 1...c2
- 2.Qa3#
- threat
- 1.f4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 5
- Sets
- R(b);N_GUARD::R(A)
- R(e);N_GUARD::QAB1(C),XP(d)
- Tries
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- R(b);XR(A)::S(D)
- R(b);::S(D)
- Refutation
- K(f);N_SPINP(d),N_SPINS(h),S_FLIGHT,XS(D)
- Try
- R(A);P_SPINR(A),XP(d)
- Threat
- DUALS(7)
- Refutation
- R(e);CHECK,P_SPINR(e),XR(A)
- Try
- Q(C);N_PINP(d)
- Threat
- DUALS(6)
- Refutation
- P(d);CHECK
- Try
- P(G);
- Threat
- P=Q
- Vars
- K(f);N_SPINS(h),S_FLIGHT::P=Q
- R(b);XR(A)::P=Q
- R(b);::P=Q
- R(e);::P=Q
- R(e);N_GUARD::QAB1(C),XP(d)
- B(a);::P=Q
- P(c);::P=Q
- P(g);::P=Q
- Refutation
- R(e);
- Try
- Actual
- P(B);N_PINP(d)
- Threat
- QAR(C)
- Vars
- P(d);CHECK,P_SPINP(d),XP(B)::R(J)+B(H)
- P(d);CHECK::QAB(C)+P(B)
- R(b);N_GUARD::R(A)
- R(e);N_GUARD::P(B),XP(d)
- P(c);OGATE::QAB(C)
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