MESON Chess Problem Database

Problem Display
PID: 99644 (3K2RB/3Q1N2/3P2B1/3k3p/5pp1/P1n5/nN6/q1R5 w - - 0 1)

Bata, Lorinc

Tolna megyei Sakkszavetseg, 1967-1968

3K2RB/3Q1N2/3P2B1/3k3p/5pp1/P1n5/nN6/q1R5

#2

10 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sb1
      • 2.Qf5#
    • 1...Sd1
      • 2.Qf5#
    • 1...Se2
      • 2.Qf5#
    • 1...Sa4
      • 2.Qf5#
    • 1...Se4
      • 2.Qf5#
    • 1...Sb5
      • 2.Qf5#
  • Tries
    • 1.Be4+?
      • 1...Kc5
        • 2.Qc6#
      • 1...Sxe4
        • 2.Qf5#
      • 1...Kxe4!
    • 1.Qb5+?
      • 1...Ke6
        • 2.Re8#
        • 2.Qe5#
        • 2.Qf5#
      • 1...Sxb5!
    • 1.Qc6+?
      • 1...Ke6
        • 2.Sg5#
        • 2.Re8#
        • 2.d7#
      • 1...Kxc6!
    • 1.Qb7+?
      • 1...Ke6
        • 2.Re8#
      • 1...Kc5!
  • Keys
    • 1.Bd3!
      • threat
        • 2.Rg5#
      • 1...Kc5
        • 2.Qb5#
      • 1...Se4
        • 2.Qf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 5
  • Sets
    • S(c);::QAR2(F)
  • Tries
    • Try
      • B(E);CHECK
      • Vars
        • K(f);P-FLIGHT,P_SPINS(c)::QAR1(F)
        • S(c);XB(E)::QAR2(F)
      • Refutation
        • K(f);S_FLIGHT,XB(E)
    • Try
      • Q(F);CHECK
      • Refutation
        • S(c);XQ(F)
    • Try
      • Q(F);CHECK
      • Refutation
        • K(f);P_SPINS(c),S_FLIGHT,XQ(F)
    • Try
      • Q(F);CHECK
      • Vars
        • K(f);S_FLIGHT::R(I)
      • Refutation
        • K(f);P-FLIGHT,P_SPINS(c)
  • Actual
    • B(E);
    • Threat
      • R(I)
    • Vars
      • K(f);P-FLIGHT,P_SPINS(c)::QAR1(F)
      • S(c);::QAR2(F)
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