MESON Chess Problem Database

Problem Display
PID: 99909 (6K1/8/4p1B1/6n1/4N2p/3N1kb1/Q2P4/4B1R1 w - - 0 1)

Kisis, Imants J

Magyar Sakkelet, 1988

6K1/8/4p1B1/6n1/4N2p/3N1kb1/Q2P4/4B1R1

#2

8 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sxe4
      • 2.Bh5#
  • Tries
    • 1.Qb3?
      • threat
        • 2.Qd1#
      • 1...Ke2
        • 2.Sc1#
      • 1...Kg4!
    • 1.Qd5?
      • threat
        • 2.Bh5#
      • 1...Ke2
        • 2.Sc3#
      • 1...Kg4
        • 2.Sef2#
      • 1...exd5!
  • Keys
    • 1.Qa8!
      • threat
        • 2.Bh5#
      • 1...Ke2
        • 2.Sc3#
      • 1...Kg4
        • 2.Sef2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • S(d);SBLOCK,XS(F)::B(G)
  • Tries
    • Try
      • Q(C);
      • Threat
        • QAB(C)
      • Vars
        • K(a);S_FLIGHT::S(E)
      • Refutation
        • K(a);P_SPINB(b),S_FLIGHT
    • Try
      • Q(C);
      • Threat
        • B(G)
      • Vars
        • K(a);S_FLIGHT::S(F)
        • K(a);P_SPINB(b),S_FLIGHT::S(F)
      • Refutation
        • P(e);XQ(C)
  • Actual
    • Q(C);
    • Threat
      • B(G)
    • Vars
      • K(a);S_FLIGHT::S(F)
      • K(a);P_SPINB(b),S_FLIGHT::S(F)
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