MESON Chess Problem Database

Problem Display
PID: 52895 (7R/2k1p3/3rP3/K7/8/2B3Q1/3R4/4b2B w - - 0 1)

Seurette, N

2nd Prize, Source?, 1942

7R/2k1p3/3rP3/K7/8/2B3Q1/3R4/4b2B

#2

7 + 4

785 Het Belgisch Schaakbord (L'Echiquier Belge) 1949

SOLUTION

  • SOUND
  • Tries
    • 1.Rxd6?
      • threat
        • 2.Rd7#
      • 1...exd6
        • 2.Qg7#
      • 1...Bxc3+!
  • Keys
    • 1.Rc2!
      • threat
        • 2.Bxe1#
        • 2.Bd2#
      • 1...Bxc3+
        • 2.Rxc3#
      • 1...Bxg3
        • 2.Be5#
      • 1...Bd2
        • 2.Bxd2#
      • 1...Bf2
        • 2.Bd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(B);P_SPINB(C),XR(b)
      • Threat
        • QAB(D)+R(B),DCHECK
      • Vars
        • P(d);OGATEB,P_SPINP(d),SBLOCK,XR(B)::QAR(D)
      • Refutation
        • B(a);CHECK,XB(C)
  • Actual
    • R(B);P_SPINB(C)
    • Threat
      • DUALS(2)
    • Vars
      • B(a);CHECK,P_SPINB(a),XB(C)::R(B),XB(a)
      • B(a);N_PINB(C),N_SPINR(b),XQ(D)::R(B)+B(C)
      • B(a);::R(B)+B(C),XB(a)
      • B(a);N_PINB(C)::R(B)+B(C)
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