MESON Chess Problem Database

Problem Display
PID: 244767 (8/3B4/8/1pbk1p2/1pN2Q2/2p5/3P4/1n1R2nK w - - 0 1)

Dombrovskis, Alfreds A

Revista Romana de Sah, 1985

8/3B4/8/1pbk1p2/1pN2Q2/2p5/3P4/1n1R2nK

#2

6 + 8

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Qd6+?
      • 1...Kxc4
        • 2.Be6#
      • 1...Ke4
        • 2.Bc6#
      • 1...Bxd6!
    • 1.dxc3+?
      • 1...Bd4
        • 2.Qxd4#
      • 1...Sd2!
    • 1.d3?
      • threat
        • 2.Qe5#
      • 1...bxc4
        • 2.dxc4#
      • 1...Bd4
        • 2.Qd6#
      • 1...Bd6
        • 2.Qxd6#
      • 1...Sf3!
  • Keys
    • 1.d4!
      • threat
        • 2.Se3#
      • 1...Kxc4
        • 2.Be6#
      • 1...Bxd4
        • 2.Qxd4#
      • 1...bxc4
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(E);CHECK
      • Vars
        • K(g);S_FLIGHT,XS(D)::B(F)
        • K(g);S_FLIGHT::B(F)
      • Refutation
        • B(f);XQ(E)
    • Try
      • P(C);CHECK,XP(c)
      • Vars
        • B(f);N_GUARD,P_SPINB(f)::QAR1(E),XB(f)
      • Refutation
        • S(a);P_SPINS(a)
    • Try
      • P(C);
      • Threat
        • QAR1(E)
      • Vars
        • P(e);OGATE,XS(D)::R(A)+P(C)DCHECK,XP(e)
        • B(f);N_GUARD,SBLOCK::QAR1(E)
        • B(f);N_GUARD::QAR1(E),XB(f)
      • Refutation
        • S(b);
  • Actual
    • P(C);
    • Threat
      • S(D)
    • Vars
      • K(g);S_FLIGHT,XS(D)::B(F)
      • B(f);OGATE,P_SPINB(f),XP(C)::QAR1(E),XB(f)
      • P(e);SBLOCK,XS(D)::QAR1(E)
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