MESON Chess Problem Database

Problem Display
PID: 150678 (3K3Q/8/1p1p1Rp1/3k4/8/3Bp1P1/1B6/6b1 w - - 0 1)

Gunning, H

Daily News, 1925

(First published on Sat Oct 31 1925)

3K3Q/8/1p1p1Rp1/3k4/8/3Bp1P1/1B6/6b1

#2

6 + 6

14868 Pirnie Collection 2014

SOLUTION

  • SOUND
  • Tries
    • 1.Rxd6+?
      • 1...Kc5
        • 2.Ba3#
        • 2.Qd4#
      • 1...Kxd6!
    • 1.Qe8?
      • threat
        • 2.Qb5#
      • 1...Kc5
        • 2.Qb5#
      • 1...b5
        • 2.Qxb5#
      • 1...e2!
    • 1.Qf8?
      • threat
        • 2.Qxd6#
      • 1...Kc5
        • 2.Qxd6#
      • 1...Kc6!
    • 1.Qg8+?
      • 1...Kc5
        • 2.Qc4#
      • 1...Kc6!
  • Keys
    • 1.Ba3!
      • threat
        • 2.Rxd6#
      • 1...Kd4
        • 2.Rxd6#
      • 1...Ke5
        • 2.Rxd6#
      • 1...Kc6
        • 2.Qh1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(D);CHECK,XP(e)
      • Refutation
        • K(c);P-FLIGHT,XR(D)
    • Try
      • Q(F);
      • Threat
        • QAR2(F)
      • Vars
        • K(c);P-FLIGHT::QAR1(F)
        • P(d);::QAR2(F),XP(d)
      • Refutation
        • P(b);
    • Try
      • Q(F);
      • Threat
        • QAR1(F),XP(e)
      • Vars
        • K(c);P-FLIGHT,P_SPINP(e)::QAB1(F),XP(e)
      • Refutation
        • K(c);P_SPINP(e),S_FLIGHT
    • Try
      • Q(F);CHECK
      • Vars
        • K(c);OGATE,P-FLIGHT::QAR1(F)
      • Refutation
        • K(c);P_SPINP(e),S_FLIGHT
  • Actual
    • B(A);
    • Threat
      • R1(D),XP(e)
    • Vars
      • K(c);P-FLIGHT::QAB(F)+R(D),DCHECK,XP(e)
      • K(c);P-FLIGHT::QAB(F)+R(D),XP(e)
      • K(c);P_SPINP(e),S_FLIGHT::QAB(F)
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