MESON Chess Problem Database

Problem Display
PID: 85661 (8/8/5p2/B2P1K1p/3pp2P/QB2p3/3pkPP1/3R1R2 w - - 0 1)

Pavlov, Mikhail Aleksandrovich

Uralski Problemist, 1999

8/8/5p2/B2P1K1p/3pp2P/QB2p3/3pkPP1/3R1R2

#2

10 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Qb2?
      • 1...exf2
        • 2.Qxd2#
      • 1...d3
        • 2.Rde1#
      • 1...Kd3!
    • 1.Qb4?
      • 1...Kd3
        • 2.Qc4#
        • 2.Qb5#
      • 1...exf2
        • 2.Qxd2#
      • 1...d3!
    • 1.Qc5?
      • 1...Kd3
        • 2.Qc4#
        • 2.Qb5#
      • 1...d3
        • 2.Qxe3#
      • 1...exf2!
  • Keys
    • 1.Qa2!
      • 1...Kd3
        • 2.Bc4#
      • 1...exf2
        • 2.Qxd2#
      • 1...d3
        • 2.Rde1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(E);P_PINP(a)
      • Vars
        • P(c);N_GUARD,XP(C)::QAR1(E),XP(a)
        • P(d);SBLOCK::R1(A)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(E);
      • Vars
        • P(c);N_GUARD,XP(C)::QAR1(E),XP(a)
      • Refutation
        • P(d);
    • Try
      • Q(E);
      • Vars
        • P(d);OGATE::QAR1(E),XP(c)
      • Refutation
        • P(c);XP(C)
  • Actual
    • Q(E);P_PINP(a)
    • Vars
      • K(b);S_FLIGHT::B(F)
      • P(c);N_GUARD,XP(C)::QAR1(E),XP(a)
      • P(d);SBLOCK::R1(A)
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