MESON Chess Problem Database

Problem Display
PID: 2162 (8/6B1/p1B2R2/p4P2/K2k4/8/7Q/2N5 w - - 0 1)

Carpenter, George Edward

Source?, 0000

8/6B1/p1B2R2/p4P2/K2k4/8/7Q/2N5

#2

7 + 3

1679 American Chess Nuts 1868
14868 Pirnie Collection 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Ke3
      • 2.Re6#
  • Tries
    • 1.Kb3?
      • 1...Ke3
        • 2.Re6#
      • 1...Kc5
        • 2.Qg1#
        • 2.Qf2#
      • 1...a4+!
    • 1.Bf3?
      • 1...Kc3
        • 2.Rc6#
      • 1...Kc4
        • 2.Rc6#
      • 1...Kc5
        • 2.Rc6#
      • 1...Ke3!
    • 1.Rd6+?
      • 1...Ke3
        • 2.Bd4#
        • 2.Bh6#
        • 2.Rd3#
        • 2.Re6#
        • 2.Qg3#
        • 2.Qd2#
      • 1...Kc4
        • 2.Qc2#
      • 1...Kc5!
    • 1.Re6+?
      • 1...Kc4
        • 2.Qc2#
      • 1...Kc5!
    • 1.Rg6+?
      • 1...Ke3
        • 2.Re6#
      • 1...Kc4
        • 2.Qc2#
      • 1...Kc5!
    • 1.Rh6+?
      • 1...Ke3
        • 2.Rh3#
        • 2.Re6#
      • 1...Kc4
        • 2.Qc2#
      • 1...Kc5!
    • 1.Rf7+?
      • 1...Ke3
        • 2.Re7#
      • 1...Kc4
        • 2.Qc2#
      • 1...Kc5!
    • 1.Rf8+?
      • 1...Ke3
        • 2.Re8#
      • 1...Kc4
        • 2.Qc2#
      • 1...Kc5!
    • 1.Qc2?
      • threat
        • 2.Re6#
      • 1...Ke5
        • 2.Qe4#
      • 1...Ke3!
    • 1.Qe2?
      • 1...Kc3
        • 2.Rd6#
        • 2.Re6#
        • 2.Rg6#
        • 2.Rh6#
        • 2.Rf7#
        • 2.Rf8#
      • 1...Kc5!
  • Keys
    • 1.Bh1!
      • 1...Kc3
        • 2.Rc6#
      • 1...Ke3
        • 2.Re6#
      • 1...Kc4
        • 2.Rc6#
      • 1...Kc5
        • 2.Rc6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::R(F)
  • Tries
    • Try
      • K(C);S_FLIGHT
      • Vars
        • K(a);S_FLIGHT::R(F)
      • Refutation
        • P(b);CHECK
    • Try
      • B(E);
      • Vars
        • K(a);S_FLIGHT::B(G)+R(F),DCHECK
        • K(a);P-FLIGHT::R(F)
        • K(a);S_FLIGHT::R1(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(F);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR2(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(F);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR2(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(F);CHECK
      • Vars
        • K(a);S_FLIGHT::R(F)
        • K(a);P-FLIGHT::QAR2(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(F);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR2(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(F);CHECK
      • Vars
        • K(a);S_FLIGHT::R(F)
        • K(a);P-FLIGHT::QAR2(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(F);CHECK
      • Vars
        • K(a);S_FLIGHT::R(F)
        • K(a);P-FLIGHT::QAR2(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);
      • Threat
        • B(G)+R(F)
      • Vars
        • K(a);S_FLIGHT::QAR1(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • B(E);
    • Vars
      • K(a);S_FLIGHT::B(G)+R(F),DCHECK
      • K(a);S_FLIGHT::R(F)
      • K(a);P-FLIGHT::R(F)
      • K(a);S_FLIGHT::R1(F)
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