MESON Chess Problem Database

Problem Display
PID: 257759 (q7/3P1n1B/1Q1p1RNb/1p1Ppn2/p3kp2/6p1/3R2P1/K1B5 w - - 0 1)

Labai, Zoltan

8th HM., 06. World Cup, 2018

q7/3P1n1B/1Q1p1RNb/1p1Ppn2/p3kp2/6p1/3R2P1/K1B5

#2

10 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Sh4
      • 2.Sxh4#
    • 1...Se7
      • 2.Sxe7#
  • Tries
    • 1.Sxe5?
      • threat
        • 2.Qd4#
      • 1...Kxe5
        • 2.Re6#
      • 1...Qxd5
        • 2.Re2#
      • 1...dxe5
        • 2.Bxf5#
      • 1...Qa7!
  • Keys
    • 1.Sxf4!
      • threat
        • 2.Re2#
      • 1...Kxf4
        • 2.Rd4#
      • 1...Bxf4
        • 2.Bxf5#
      • 1...exf4
        • 2.Qd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • S(g);::B(J)+S(H),XS(g)
  • Tries
    • Try
      • S(H);P_PINS(g),XP(f)
      • Threat
        • QAR1(F)
      • Vars
        • K(c);N_SPINS(g),OGATEB,P-FLIGHT,XS(H)::R1(G)
        • Q(k);SBLOCK,XP(E)::R(C)
        • P(h);SBLOCK,XS(H)::B(J),XS(g)
      • Refutation
        • Q(k);
  • Actual
    • S(H);P_PINS(g),XP(d)
    • Threat
      • R(C)
    • Vars
      • K(c);P-FLIGHT,XS(H)::B(B)+R(C),DCHECK
      • B(i);SBLOCK,XS(H)::B(J),XS(g)
      • P(f);N_GUARD,SBLOCK,XS(H)::QAR1(F)
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