MESON Chess Problem Database

Problem Display
PID: 110192 (4N3/4pb2/2nR2pB/2PPk1b1/2p2NB1/2P1KP2/p7/6Q1 w - - 0 1)

Labai, Zoltan

2nd HM., Vychodoslovenske noviny, 1984

4N3/4pb2/2nR2pB/2PPk1b1/2p2NB1/2P1KP2/p7/6Q1

#2

11 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bxf4+
      • 2.Bxf4#
    • 1...Bxd5
      • 2.Rxd5#
    • 1...Be6
      • 2.Rxe6#
    • 1...Bxe8
      • 2.Re6#
    • 1...Sd4
      • 2.cxd4#
  • Keys
    • 1.Ke2!
      • threat
        • 2.Qe3#
      • 1...Sd4+
        • 2.Qxd4#
      • 1...Kxf4
        • 2.Qh2#
      • 1...Bxf4
        • 2.Bg7#
      • 1...Bxd5
        • 2.Sxg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 3
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • B(d);CHECK,OGATE,XS(E)::B(J),XB(d)
    • B(h);OGATE,XP(H)::R1(I),XB(h)
    • B(h);N_GUARD::R1(I),XB(h)
    • B(h);N_GUARD,XS(K)::R1(I)
    • S(e);OGATE::P(B),XS(e)
  • Actual
    • K(C);N_SPINS(E),P-FLIGHT
    • Threat
      • QAR2(A)
    • Vars
      • S(e);CHECK,N_GUARD::QAB1(A),XS(e)
      • K(c);OGATEB,P_SPINB(d),S_FLIGHT,XS(E)::QAB(A)
      • B(d);N_GUARD,SBLOCK,XS(E)::B(J)
      • B(h);N_GUARD,XP(H)::S(E),XP(f)
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