MESON Chess Problem Database

Problem Display
PID: 37177 (3RB3/3n4/1Rb3p1/1PPk2K1/1P4NQ/7p/2P1N2P/8 w - - 0 1)

Pavlov, Mikhail Aleksandrovich

3rd Prize, Novosibirsk-100 JT, 1993

3RB3/3n4/1Rb3p1/1PPk2K1/1P4NQ/7p/2P1N2P/8

#2

12 + 5

3705 Album Russia (1992-1994) 2000

SOLUTION

  • SOUND
  • Sets
    • 1...Kc4
      • 2.Se3#
  • Tries
    • 1.Qg3?
      • 1...Kc4
        • 2.Qb3#
      • 1...Ke4
        • 2.Qd3#
      • 1...Ke6
        • 2.Qd6#
      • 1...Bb7
        • 2.Qd3#
      • 1...Ba8
        • 2.Qd3#
      • 1...Bxb5!
  • Keys
    • 1.Qf2!
      • 1...Kc4
        • 2.Qd4#
      • 1...Ke4
        • 2.Sc3#
      • 1...Ke6
        • 2.Qf7#
      • 1...Bxb5
        • 2.Qd4#
      • 1...Bb7
        • 2.Qd4#
      • 1...Ba8
        • 2.Qd4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • K(b);N_SPINS(e),S_FLIGHT::QAR(F)+S(E),DCHECK
  • Tries
    • Try
      • Q(F);
      • Vars
        • K(b);N_SPINS(e),S_FLIGHT::QAB1(F)
        • K(b);N_SPINS(e),P_SPINB(c),S_FLIGHT::QAR1(F)
        • B(c);::QAR2(F)
      • Refutation
        • B(c);XP(G)
  • Actual
    • Q(F);
    • Vars
      • K(b);N_SPINS(e),S_FLIGHT::QAR1(F)
      • K(b);N_SPINS(e),S_FLIGHT::S(B)
      • K(b);N_SPINS(e),P_SPINB(c),S_FLIGHT::QAB1(F)
      • B(c);XP(G)::QAR1(F)
      • B(c);::QAR1(F)
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