MESON Chess Problem Database

Problem Display
PID: 56931 (Q7/1B1p1p2/P2PpP2/2p2p2/3k1P2/1P3P2/3K2P1/8 w - - 0 1)

Balashov, Evgeny Fedorovich

Troll, 1994

Q7/1B1p1p2/P2PpP2/2p2p2/3k1P2/1P3P2/3K2P1/8

#2

10 + 6

6114 Problemschach-Jahrbuch (1994) 1995

SOLUTION

  • SOUND
  • Sets
    • 1...c4
      • 2.Qa7#
  • Tries
    • 1.Qb8?
      • 1...c4
        • 2.Qa7#
      • 1...e5!
    • 1.Qc8?
      • 1...c4
        • 2.Qxc4#
      • 1...e5!
    • 1.Qd8?
      • 1...c4
        • 2.Qb6#
      • 1...e5!
    • 1.Qe8?
      • 1...e5
        • 2.Qxe5#
      • 1...c4!
    • 1.g3?
      • 1...c4
        • 2.Qa7#
      • 1...e5!
  • Keys
    • 1.Be4!
      • 1...fxe4
        • 2.Qxe4#
      • 1...c4
        • 2.Qa7#
      • 1...e5
        • 2.Qd5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • P(b);OGATEB::QAB(J)
  • Tries
    • Try
      • Q(J);
      • Vars
        • P(b);OGATEB::QAB(J)
      • Refutation
        • P(d);
    • Try
      • Q(J);
      • Vars
        • P(b);OGATE::QAR1(J),XP(b)
      • Refutation
        • P(d);
    • Try
      • Q(J);
      • Vars
        • P(b);OGATEB::QAB(J)
      • Refutation
        • P(d);
    • Try
      • Q(J);
      • Vars
        • P(d);OGATE::QAB1(J),XP(d)
      • Refutation
        • P(b);
    • Try
      • P(B);
      • Vars
        • P(b);OGATEB::QAB(J)
      • Refutation
        • P(d);
  • Actual
    • B(I);
    • Vars
      • P(c);OGATE,XB(I)::QAR1(J),XP(c)
      • P(b);OGATEB::QAB(J)
      • P(d);N_GUARD::QAR1(J)
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