MESON Chess Problem Database

Problem Display
PID: 18460 (5Rq1/2Q5/6PB/3ppnN1/2N1Pkb1/7p/Kb3P2/8 w - - 0 1)

Whyatt, William Albert

The Times Weekly Edition, 1955

5Rq1/2Q5/6PB/3ppnN1/2N1Pkb1/7p/Kb3P2/8

#2

9 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Bc1
      • 2.Qxe5#
    • 1...Ba3
      • 2.Qxe5#
    • 1...d4
      • 2.Qxe5#
  • Keys
    • 1.Sxe5!
      • threat
        • 2.Sd3#
      • 1...dxe4+
        • 2.Se6#
      • 1...d4+
        • 2.Sc4#
      • 1...Bxe5
        • 2.Qc1#
      • 1...Bd1
        • 2.Rxf5#
      • 1...Be2
        • 2.Rxf5#
      • 1...Bf3
        • 2.Rxf5#
      • 1...Bh5
        • 2.Rxf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 6
    • REMOVED MATES = 2
  • Sets
    • B(a);N_GUARD::QAB1(H),XP(f)
    • P(e);P_PINS(C),S_CUTB(a)::QAB1(H),XP(f)
  • Actual
    • S(C);XP(f)
    • Threat
      • QAB(H)+S(C),DCHECK
    • Vars
      • P(e);CHECK,SBLOCK,XP(D)::B(G)+S(E),DCHECK
      • P(e);CHECK,S_CUTB(a)::QAB(H)+S(C)
      • B(a);N_GUARD,P_SPINB(a),SBLOCK,XS(C)::QAB(H)
      • B(d);N_GUARD::R1(I),XS(g)
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