MESON Chess Problem Database

Problem Display
PID: 133817 (3Q4/4p3/K1p1p2R/2k1pP2/4p3/2pP4/P7/B6B w - - 0 1)

Kovalic, Jan

1st Prize, Sachova skladba, 2001-2002

3Q4/4p3/K1p1p2R/2k1pP2/4p3/2pP4/P7/B6B

#2

8 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Kb4
      • 2.Qa5#
  • Tries
    • 1.Bxc3?
      • 1...exf5
        • 2.Qa5#
      • 1...e3
        • 2.Qxe7#
      • 1...exd3!
    • 1.Rxe6?
      • 1...Kb4
        • 2.Qa5#
      • 1...c2
        • 2.Qa5#
      • 1...e3
        • 2.Qb6#
      • 1...exd3!
  • Keys
    • 1.Bxe4!
      • 1...Kb4
        • 2.Qa5#
      • 1...exf5
        • 2.Qb6#
      • 1...c2
        • 2.Qxe7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(c);S_FLIGHT::QAB1(H)
  • Tries
    • Try
      • B(A);XP(a)
      • Vars
        • P(f);XP(E)::QAR2(H)
        • P(b);::QAB(H),XP(g)
      • Refutation
        • P(b);XP(D)
    • Try
      • R(G);XP(f)
      • Vars
        • K(c);S_FLIGHT::QAB1(H)
        • P(a);::QAR2(H)
        • P(b);::QAB1(H)
      • Refutation
        • P(b);XP(D)
  • Actual
    • B(B);XP(b)
    • Vars
      • K(c);S_FLIGHT::QAB1(H)
      • P(f);XP(E)::QAB1(H)
      • P(a);::QAB(H),XP(g)
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