MESON Chess Problem Database

Problem Display
PID: 743 (8/8/8/3pK3/8/2R5/kpQ5/b2N4 w - - 0 1)

Gooderson, Arthur R

British Chess Magazine, 1948

8/8/8/3pK3/8/2R5/kpQ5/b2N4

#2

4 + 4

SOLUTION

  • SOUND
  • Tries
    • 1.Rc4?
      • threat
        • 2.Ra4#
      • 1...Ka3
        • 2.Ra4#
        • 2.Qa4#
      • 1...dxc4!
  • Keys
    • 1.Qd3!
      • threat
        • 2.Ra3#
      • 1...b1Q
        • 2.Qa6#
      • 1...b1S
        • 2.Qxd5#
      • 1...b1B
        • 2.Qa6#
        • 2.Qxd5#
      • 1...b1R
        • 2.Qa6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(C);
      • Threat
        • R(C)
      • Refutation
        • P(d);XR(C)
  • Actual
    • Q(B);N_PINP(c)
    • Threat
      • R1(C)
    • Vars
      • P(c);P_PINR(C),SBLOCK::QAR(B)
      • P(c);P_PINR(C),SBLOCK::QAB(B),XP(d)
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