MESON Chess Problem Database

Problem Display
PID: 53416 (B2K4/P1p1pQ2/2P1P1p1/qp1k4/2p1NP1b/2PPB3/3R4/8 w - - 0 1)

Servais, Albert

Source?, 1938

B2K4/P1p1pQ2/2P1P1p1/qp1k4/2p1NP1b/2PPB3/3R4/8

#2

12 + 8

785 Het Belgisch Schaakbord (L'Echiquier Belge) 1949

SOLUTION

  • SOUND
  • Sets
    • 1...g5
      • 2.Qf5#
  • Tries
    • 1.Sf6+?
      • 1...Kd6
        • 2.Qxe7#
        • 2.dxc4#
      • 1...exf6
        • 2.Qd7#
      • 1...Bxf6!
  • Keys
    • 1.Sd6!
      • threat
        • 2.dxc4#
      • 1...cxd6+
        • 2.c7#
      • 1...exd6+
        • 2.e7#
      • 1...Kxd6
        • 2.dxc4#
      • 1...cxd3
        • 2.Rxd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • P(f);N_GUARD::QAR2(J)
  • Tries
    • Try
      • S(E);CHECK
      • Vars
        • P(h);OGATE,XS(E)::QAR2(J)
      • Refutation
        • B(b);XS(E)
  • Actual
    • S(E);
    • Threat
      • R(A)+P(C)DCHECK,XP(a)
    • Vars
      • P(g);CHECK,OGATE,SBLOCK,XS(E)::B(K)+P(G)
      • P(h);CHECK,OGATE,SBLOCK,XS(E)::QAB(J)+P(H)
      • K(e);P-FLIGHT,XS(E)::R(A)+P(C),XP(a)
      • P(a);OGATE,P_SPINP(a),XP(C)::R(A),XP(a)
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