MESON Chess Problem Database
Problem Display
PID: 223249 (1Q6/3pN1K1/B2P4/2p2p2/rRb2B2/p1kP4/P1p2N2/2R5 w - - 0 1)
Pierce, James
English Mechanic and World of Science, 1885
(First published on Fri Mar 27 1885)
#2
11 + 8
| 6490 | yacpdb | 2020 |
| 15239 | Valois Notebooks | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Ra5
- 2.Rxc4#
- 1...Rxa6
- 2.Rxc4#
- 1...Bxa2
- 2.Sd1#
- 1...Bb3
- 2.Sd1#
- 1...Bxd3
- 2.Sd1#
- 2.Sd5#
- 1...Bb5
- 2.Sd5#
- 1...Bd5
- 2.Sd1#
- 2.Sxd5#
- 1...Bxa6
- 2.Sd5#
- 1...Be6
- 2.Sd1#
- 1...Bf7
- 2.Sd1#
- 1...Bg8
- 2.Sd1#
- 1...Ra5
- Tries
- 1.Kg6?
- 1...Kd4
- 2.Qh8#
- 1...Rxb4
- 2.Qh8#
- 1...Rxa6
- 2.Rxc4#
- 1...Bxa2
- 2.Sd1#
- 1...Bxd3
- 2.Sd1#
- 2.Sd5#
- 1...Bxa6
- 2.Sd5#
- 1...cxb4
- 2.Qh8#
- 1...Ra5
- 2.Rxc4#
- 1...Bb3
- 2.Sd1#
- 1...Bb5
- 2.Sd5#
- 1...Bd5
- 2.Sd1#
- 2.Sxd5#
- 1...Be6
- 2.Sd1#
- 1...Bg8
- 2.Sd1#
- 1...Bf7+!
- 1...Kd4
- 1.Kh7?
- 1...Kd4
- 2.Qh8#
- 1...Rxb4
- 2.Qh8#
- 1...Rxa6
- 2.Rxc4#
- 1...Bxa2
- 2.Sd1#
- 1...Bxd3
- 2.Sd1#
- 2.Sd5#
- 1...Bxa6
- 2.Sd5#
- 1...cxb4
- 2.Qh8#
- 1...Ra5
- 2.Rxc4#
- 1...Bb3
- 2.Sd1#
- 1...Bb5
- 2.Sd5#
- 1...Bd5
- 2.Sd1#
- 2.Sxd5#
- 1...Be6
- 2.Sd1#
- 1...Bf7
- 2.Sd1#
- 1...Bg8+!
- 1...Kd4
- 1.Sd5+?
- 1...Bxd5
- 2.Sd1#
- 1...Kd4!
- 1...Bxd5
- 1.Rxc2+?
- 1...Kd4
- 2.Rcxc4#
- 1...Kxc2!
- 1...Kd4
- 1.Rxa4?
- threat
- 2.Rxc4#
- 1...Kd4
- 2.Rxc4#
- 1...Bxa2
- 2.Sd1#
- 1...Bxd3
- 2.Sd1#
- 2.Sd5#
- 2.Qb3#
- 1...Bxa6
- 2.Sd5#
- 2.Qb3#
- 1...Bb3
- 2.Sd1#
- 2.Qxb3#
- 1...Bd5
- 2.Sd1#
- 2.Sxd5#
- 1...Be6
- 2.Sd1#
- 1...Bf7
- 2.Sd1#
- 1...Bg8
- 2.Sd1#
- 1...Bb5!
- threat
- 1.Qb5?
- threat
- 2.Qxc4#
- 1...Kd4
- 2.Qxc4#
- 1...Bxa2
- 2.Sd1#
- 1...Bxd3
- 2.Sd1#
- 2.Sd5#
- 1...Bxb5
- 2.Sd5#
- 1...cxb4
- 2.Qe5#
- 1...Bb3
- 2.Sd1#
- 1...Bd5
- 2.Sd1#
- 2.Sxd5#
- 1...Be6
- 2.Sd1#
- 1...Bf7
- 2.Sd1#
- 1...Bg8
- 2.Sd1#
- 1...Rxb4!
- threat
- 1.Kg6?
- Keys
- 1.Kh6!
- 1...Kd4
- 2.Qh8#
- 1...Rxb4
- 2.Qh8#
- 1...Rxa6
- 2.Rxc4#
- 1...Bxa2
- 2.Sd1#
- 1...Bxd3
- 2.Sd1#
- 2.Sd5#
- 1...Bxa6
- 2.Sd5#
- 1...cxb4
- 2.Qh8#
- 1...Ra5
- 2.Rxc4#
- 1...Bb3
- 2.Sd1#
- 1...Bb5
- 2.Sd5#
- 1...Bd5
- 2.Sd1#
- 2.Sxd5#
- 1...Be6
- 2.Sd1#
- 1...Bf7
- 2.Sd1#
- 1...Bg8
- 2.Sd1#
- 1...Kd4
- 1.Kh6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- R(d);N_GUARD::R1(E),XB(e)
- R(d);N_GUARD,XB(G)::R1(E),XB(e)
- B(e);XP(B)::S(C)
- B(e);::S(C)
- B(e);N_GUARD::S(I)
- B(e);N_GUARD,XB(G)::S(I)
- Tries
- Try
- K(J);P-FLIGHT
- Vars
- K(c);N_SPINP(a),P_SPINB(e),S_FLIGHT::QAB(K)
- R(d);SBLOCK,XR(E)::QAB(K)
- R(d);N_GUARD,P_PINP(H),XB(G)::R1(E),XB(e)
- B(e);XP(B)::S(C)
- B(e);N_GUARD,XB(G)::S(I)
- P(f);SBLOCK,XR(E)::QAB(K)
- R(d);N_GUARD::R1(E),XB(e)
- B(e);::S(C)
- B(e);N_GUARD::S(I)
- Refutation
- B(e);CHECK
- Try
- K(J);P-FLIGHT
- Vars
- K(c);N_SPINP(a),P_SPINB(e),S_FLIGHT::QAB(K)
- R(d);SBLOCK,XR(E)::QAB(K)
- R(d);N_GUARD,XB(G)::R1(E),XB(e)
- B(e);XP(B)::S(C)
- B(e);N_GUARD,XB(G)::S(I)
- P(f);SBLOCK,XR(E)::QAB(K)
- R(d);N_GUARD::R1(E),XB(e)
- B(e);::S(C)
- B(e);N_GUARD::S(I)
- Refutation
- B(e);CHECK
- Try
- S(I);CHECK
- Vars
- B(e);XS(I)::S(C)
- Refutation
- K(c);N_SPINP(a),P_SPINB(e),S_FLIGHT
- Try
- R(A);CHECK,XP(a)
- Vars
- K(c);OGATE,P_SPINB(e),S_FLIGHT::R1(A),XB(e)
- Refutation
- K(c);P-FLIGHT,XR(A)
- Try
- R(E);XR(d)
- Threat
- R1(E),XB(e)
- Vars
- K(c);N_SPINP(a),P_SPINB(e),S_FLIGHT::R1(E),XB(e)
- B(e);XP(B)::S(C)
- B(e);::S(C)
- Refutation
- B(e);
- Try
- Q(K);
- Threat
- QAR1(K),XB(e)
- Vars
- K(c);N_SPINP(a),P_SPINB(e),S_FLIGHT::QAR1(K),XB(e)
- B(e);XP(B)::S(C)
- B(e);N_GUARD,XQ(K)::S(I)
- P(f);OGATE,SBLOCK,XR(E)::QAB(K)
- B(e);::S(C)
- Refutation
- R(d);XR(E)
- Try
- Actual
- K(J);S_FLIGHT
- Vars
- K(c);N_SPINP(a),P_SPINB(e),S_FLIGHT::QAB(K)
- R(d);SBLOCK,XR(E)::QAB(K)
- R(d);N_GUARD,P_PINP(H),XB(G)::R1(E),XB(e)
- B(e);XP(B)::S(C)
- B(e);N_GUARD,XB(G)::S(I)
- P(f);SBLOCK,XR(E)::QAB(K)
- R(d);N_GUARD::R1(E),XB(e)
- B(e);::S(C)
- B(e);N_GUARD::S(I)
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