MESON Chess Problem Database

Problem Display
PID: 2222 (8/5K2/8/7n/N2k4/3p1PP1/Q7/3R4 w - - 0 1)

Cook, Eugene Beauharnais

Source?, 0000

8/5K2/8/7n/N2k4/3p1PP1/Q7/3R4

#2

6 + 3

1679 American Chess Nuts 1868

SOLUTION

  • SOUND
  • Tries
    • 1.Rxd3+?
      • 1...Ke5
        • 2.Rd5#
        • 2.Qd5#
        • 2.Qe6#
      • 1...Kxd3!
    • 1.Qf2+?
      • 1...Kd5
        • 2.Qc5#
      • 1...Ke5
        • 2.Qc5#
      • 1...Kc4!
  • Keys
    • 1.Qc2!
      • threat
        • 2.Qc5#
      • 1...Ke3
        • 2.Rxd3#
      • 1...Kd5
        • 2.Qc5#
      • 1...Ke5
        • 2.Qc5#
      • 1...d2
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(A);CHECK,XP(a)
      • Refutation
        • K(b);P-FLIGHT,XR(A)
    • Try
      • Q(B);CHECK
      • Vars
        • K(b);OGATE,P-FLIGHT::QAR1(B)
        • K(b);N_SPINP(a),OGATE,S_FLIGHT::QAR2(B)
      • Refutation
        • K(b);N_SPINP(a),P-FLIGHT
  • Actual
    • Q(B);
    • Threat
      • QAB1(B)
    • Vars
      • K(b);N_SPINP(a),S_FLIGHT::R1(A),XP(a)
      • K(b);P-FLIGHT::QAR1(B)
      • K(b);N_SPINP(a),S_FLIGHT::QAR2(B)
      • P(a);OGATE::QAR1(B)
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