MESON Chess Problem Database

Problem Display
PID: 61895 (2Bn4/1p4b1/6Q1/R2Pkp2/2p2pp1/2Np1b2/4N3/K3R3 w - - 0 1)

Wielgos, Oskar

Deutsche Schachblatter, 1962

2Bn4/1p4b1/6Q1/R2Pkp2/2p2pp1/2Np1b2/4N3/K3R3

#2

8 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Bxd5
      • 2.Rxd5#
    • 1...Sc6
      • 2.Qe6#
    • 1...Se6
      • 2.Qxe6#
    • 1...Sf7
      • 2.Qe6#
  • Tries
    • 1.d6+?
      • 1...Bd5
        • 2.Rxd5#
      • 1...b5!
  • Keys
    • 1.Sb5!
      • threat
        • 2.Qxf5#
      • 1...Ke4+
        • 2.Sec3#
      • 1...Kxd5+
        • 2.Sbc3#
      • 1...Be4
        • 2.Qd6#
      • 1...Se6
        • 2.Qxe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 3
  • Sets
    • B(b);OGATE,P_SPINB(b),XP(F)::R1(E),XB(b)
    • S(j);N_GUARD::QAR1(G)
    • S(j);N_GUARD::QAR1(G),XS(j)
  • Tries
    • Try
      • P(F);CHECK
      • Vars
        • B(b);N_GUARD,P_SPINB(b)::R1(E),XB(b)
      • Refutation
        • P(h);P_SPINP(h)
  • Actual
    • S(D);
    • Threat
      • QAR1(G),XP(g)
    • Vars
      • K(f);CHECK,P-FLIGHT,P_SPINP(g)::R(B)+S(C),DCHECK
      • K(f);CHECK,P-FLIGHT,XP(F)::R(E)+S(D),DCHECK
      • B(b);SBLOCK::QAB1(G)
      • S(j);N_GUARD::QAR1(G),XS(j)
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