MESON Chess Problem Database

Problem Display
PID: 225879 (3N3b/1p1p4/3P2p1/4R2p/Q1pB1k2/2p2P2/K2n1P2/4N3 w - - 0 1)

Kasar, Miroslav

4th HM., Praca, 1996

3N3b/1p1p4/3P2p1/4R2p/Q1pB1k2/2p2P2/K2n1P2/4N3

#2

9 + 9

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Qd1?
      • threat
        • 2.Sg2#
      • 1...Sxf3
        • 2.Qxf3#
      • 1...Bxe5!
    • 1.Qb5?
      • threat
        • 2.Be3#
      • 1...Bxe5
        • 2.Qxe5#
      • 1...Sf1
        • 2.Re4#
      • 1...Sxf3!
  • Keys
    • 1.Qxd7!
      • threat
        • 2.Se6#
      • 1...Bxe5
        • 2.Be3#
      • 1...Sxf3
        • 2.Sg2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(E);
      • Threat
        • S(A)
      • Vars
        • S(a);OGATE,XP(D)::QAR1(E),XS(a)
      • Refutation
        • B(i);XR(G)
    • Try
      • Q(E);
      • Threat
        • B(F)
      • Vars
        • B(i);OGATE,XR(G)::QAB1(E),XB(i)
        • S(a);N_GUARD::R1(G)
      • Refutation
        • S(a);XP(D)
  • Actual
    • Q(E);XP(h)
    • Threat
      • S(I)
    • Vars
      • B(i);SBLOCK,XR(G)::B(F)
      • S(a);SBLOCK,XP(D)::S(A)
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