MESON Chess Problem Database

Problem Display
PID: 32682 (7n/8/5K2/1B1k4/3p1p2/Q7/5N2/8 w - - 0 1)

Thompson, Theophilus Augustus

Chess Problems by Theophilus A. Thompson, 1873

7n/8/5K2/1B1k4/3p1p2/Q7/5N2/8

#2

4 + 4

SOLUTION

  • SOUND
  • Tries
    • 1.Qc1?
      • threat
        • 2.Qc6#
      • 1...Kd6
        • 2.Qc6#
      • 1...d3!
    • 1.Qc3?
      • threat
        • 2.Qc6#
      • 1...Kd6
        • 2.Qc6#
      • 1...d3
        • 2.Qe5#
      • 1...dxc3!
    • 1.Qf3+?
      • 1...Kd6
        • 2.Qc6#
      • 1...Kc5!
    • 1.Qa8+?
      • 1...Kd6
        • 2.Qc6#
      • 1...Kc5!
  • Keys
    • 1.Se4!
      • threat
        • 2.Qa8#
      • 1...Kxe4
        • 2.Bc6#
      • 1...d3
        • 2.Qxd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);
      • Threat
        • QAB1(B)
      • Vars
        • K(c);P-FLIGHT::QAR1(B)
      • Refutation
        • P(a);
    • Try
      • Q(B);
      • Threat
        • QAB1(B)
      • Vars
        • K(c);P-FLIGHT::QAR1(B)
        • P(a);OGATE::QAR1(B)
      • Refutation
        • P(a);XQ(B)
    • Try
      • Q(B);CHECK
      • Vars
        • K(c);OGATE,P-FLIGHT::QAR1(B)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • K(c);P-FLIGHT::QAR1(B)
      • Refutation
        • K(c);P-FLIGHT
  • Actual
    • S(A);
    • Threat
      • QAB(B)
    • Vars
      • K(c);S_FLIGHT,XS(A)::B(C)
      • P(a);OGATEB::QAR2(B),XP(a)
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