MESON Chess Problem Database

Problem Display
PID: 2104 (3N1R2/5N2/5p2/1B2p2p/4k2p/4P2P/5P2/4Q1K1 w - - 0 1)

Brown, Theodore Morris

New York Clipper, 1867

(First published on Sat Aug 10 1867)

3N1R2/5N2/5p2/1B2p2p/4k2p/4P2P/5P2/4Q1K1

#2

9 + 5

1679 American Chess Nuts 1868

SOLUTION

  • SOUND
  • Sets
    • 1...Kf3
      • 2.Sg5#
  • Tries
    • 1.Sd6+?
      • 1...Kf3
        • 2.Be2#
        • 2.Rxf6#
        • 2.Qd1#
        • 2.Qe2#
      • 1...Kd5!
    • 1.Bd3+?
      • 1...Kf3
        • 2.Sxe5#
        • 2.Sg5#
        • 2.Qd1#
        • 2.Qe2#
      • 1...Kd5
        • 2.Qa5#
      • 1...Kxd3!
    • 1.Bc4?
      • 1...Kf3
        • 2.Sg5#
      • 1...f5
        • 2.Sg5#
      • 1...Kf5!
    • 1.Qd2?
      • 1...Kf3
        • 2.Sg5#
      • 1...f5
        • 2.Sg5#
        • 2.Bc6#
      • 1...Kf5!
    • 1.Qc3?
      • 1...Kf3
        • 2.Sg5#
      • 1...Kd5
        • 2.Bc6#
        • 2.Qc4#
        • 2.Qc6#
      • 1...f5
        • 2.Bc6#
        • 2.Qc6#
      • 1...Kf5!
    • 1.Qb4+?
      • 1...Kf3
        • 2.Sxe5#
        • 2.Sg5#
      • 1...Kd5
        • 2.Bc6#
        • 2.Qc4#
        • 2.e4#
      • 1...Kf5!
    • 1.Qb1+?
      • 1...Kf3
        • 2.Sxe5#
        • 2.Sg5#
        • 2.Qf5#
      • 1...Kd5!
    • 1.Qc1?
      • 1...Kf3
        • 2.Sg5#
      • 1...Kd5
        • 2.Bc6#
        • 2.Qc4#
        • 2.Qc6#
      • 1...f5
        • 2.Qc6#
      • 1...Kf5!
    • 1.Qf1?
      • 1...Kf3
        • 2.Sg5#
        • 2.Qg2#
      • 1...Kd5
        • 2.Qc4#
      • 1...f5
        • 2.Bc6#
        • 2.Qg2#
      • 1...Kf5!
    • 1.Qe2?
      • 1...Kd5
        • 2.Qc4#
      • 1...f5
        • 2.Bc6#
      • 1...Kf5!
  • Keys
    • 1.Qa5!
      • 1...Kf3
        • 2.Sg5#
      • 1...Kd5
        • 2.Bd3#
      • 1...Kf5
        • 2.Bd3#
      • 1...f5
        • 2.Qa8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::S(G)
  • Tries
    • Try
      • S(G);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(F);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR(A)
      • Refutation
        • K(a);S_FLIGHT,XB(F)
    • Try
      • B(F);
      • Vars
        • K(a);S_FLIGHT::S(G)
        • P(e);N_GUARD::S(G)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::S(G)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::S(G)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::S(G)
        • P(e);SBLOCK::QAB(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::QAB1(A)
        • P(e);SBLOCK::B(F)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(A);
    • Vars
      • K(a);S_FLIGHT::S(G)
      • K(a);S_FLIGHT::QAR(A)+B(F)
      • K(a);S_FLIGHT::B(F)
      • P(e);SBLOCK::QAB(A)
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