MESON Chess Problem Database

Problem Display
PID: 744 (4B3/8/b7/kp2R3/3Q4/8/8/5K2 w - - 0 1)

Gooderson, Arthur R

British Chess Magazine, 1948

4B3/8/b7/kp2R3/3Q4/8/8/5K2

#2

4 + 3

3295 Einfuhrung in die Welt des Schachproblem 1984
3207 A R Gooderson An English Progressive 1996

SOLUTION

  • SOUND
  • Tries
    • 1.Qc3+?
      • 1...Ka4
        • 2.Re4#
      • 1...Kb6!
    • 1.Qc5?
      • 1...Bb7
        • 2.Qxb5#
      • 1...Bc8
        • 2.Qxb5#
      • 1...Ka4!
    • 1.Qc4?
      • 1...Bb7
        • 2.Qxb5#
      • 1...Bc8
        • 2.Qxb5#
      • 1...Kb6!
  • Keys
    • 1.Re2!
      • threat
        • 2.Ra2#
      • 1...b4
        • 2.Qd8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);P-FLIGHT::R(C)
      • Refutation
        • K(a);N_SPINP(b),S_FLIGHT
    • Try
      • Q(B);
      • Vars
        • B(c);N_GUARD::QAR1(B),XP(b)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(B);
      • Vars
        • B(c);N_GUARD::QAR1(B),XP(b)
      • Refutation
        • K(a);N_SPINP(b),S_FLIGHT
  • Actual
    • R(C);N_PINP(b)
    • Threat
      • R(C)
    • Vars
      • P(b);P_PINR(C),SBLOCK::QAB(B)
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