MESON Chess Problem Database

Problem Display
PID: 60794 (K7/1P2P2P/4p3/N2PBP2/3Pk3/6R1/8/8 w - - 0 1)

Dyachuk, Vasyl Vasilovich

2nd HM., Source?, 1999

K7/1P2P2P/4p3/N2PBP2/3Pk3/6R1/8/8

#2

10 + 2

SOLUTION

  • SOUND
  • Tries
    • 1.b8Q?
      • 1...Kxd5
        • 2.Qb7#
      • 1...Kxf5
        • 2.Qb1#
      • 1...exd5
        • 2.Qb1#
      • 1...exf5!
    • 1.h8Q?
      • 1...Kxd5
        • 2.Qh1#
      • 1...Kxf5
        • 2.Qh7#
      • 1...exf5
        • 2.Qh1#
      • 1...exd5!
  • Keys
    • 1.e8S!
      • 1...Kxd5
        • 2.Sf6#
      • 1...Kxf5
        • 2.Sd6#
      • 1...exd5
        • 2.Sd6#
      • 1...exf5
        • 2.Sf6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • P(G);
      • Vars
        • K(a);OGATEB,S_FLIGHT,XP(D)::QAB(G)
        • K(a);S_FLIGHT,XP(F)::QAB(G)
        • P(b);SBLOCK,XP(D)::QAB(G)
      • Refutation
        • P(b);XP(F)
    • Try
      • P(I);
      • Vars
        • K(a);S_FLIGHT,XP(D)::QAB(I)
        • K(a);OGATEB,S_FLIGHT,XP(F)::QAB(I)
        • P(b);SBLOCK,XP(F)::QAB(I)
      • Refutation
        • P(b);XP(D)
  • Actual
    • P(H);
    • Vars
      • K(a);S_FLIGHT,XP(D)::S(H)
      • K(a);S_FLIGHT,XP(F)::S(H)
      • P(b);SBLOCK,XP(D)::S(H)
      • P(b);SBLOCK,XP(F)::S(H)
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