MESON Chess Problem Database

Problem Display
PID: 161 (Q3r3/4Bq2/1R6/b7/kr1R4/1p3b2/4N3/3BK3 w - - 0 1)

Gooderson, Arthur R

Bonavia-Hunt Research Pamphlet 06, 1950

Q3r3/4Bq2/1R6/b7/kr1R4/1p3b2/4N3/3BK3

#2

7 + 7

3207 A R Gooderson An English Progressive 1996

SOLUTION

  • SOUND
  • Sets
    • 1...Rc4+
      • 2.Sc3#
    • 1...Rxd4+
      • 2.Sc3#
  • Keys
    • 1.Rd2!
      • threat
        • 2.Ra2#
      • 1...Ka3
        • 2.Qxa5#
      • 1...Rxb6
        • 2.Sc3#
      • 1...Rc4
        • 2.Bxb3#
      • 1...Rd4
        • 2.Sc3#
      • 1...Re4
        • 2.Qc6#
      • 1...Rf4
        • 2.Sc3#
      • 1...Rg4
        • 2.Sc3#
      • 1...Rh4
        • 2.Sc3#
      • 1...Rb5
        • 2.Sc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • R(d);CHECK::S(C)
    • R(d);CHECK,N_SPINR(d),XR(D)::S(C)
  • Actual
    • R(D);N_PINR(d)
    • Threat
      • R(D)
    • Vars
      • K(c);N_SPINP(a),P-FLIGHT,P_SPINR(d)::QAR2(G),XB(e)
      • R(d);P_PINR(D),XR(E)::S(C)
      • R(d);N_GUARD,P_PINR(D),S_CUTQ(f)::B(A),XP(a)
      • R(d);P_PINR(D)::S(C)
      • R(d);N_GUARD,P_PINR(D),P_PINS(C),S_CUTB(b)::QAB(G)
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