MESON Chess Problem Database

Problem Display
PID: 242785 (3R4/8/8/K3p3/2kP4/5n2/2P1pQ2/4B1nb w - - 0 1)

Bakcsi, Gyorgy

Schach, 1985

3R4/8/8/K3p3/2kP4/5n2/2P1pQ2/4B1nb

#2

6 + 6

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Sh3
      • 2.Qxe2#
  • Tries
    • 1.Qe3?
      • threat
        • 2.Qb3#
        • 2.Qc3#
        • 2.Qd3#
      • 1...Sxe1
        • 2.Qb3#
      • 1...Sxd4
        • 2.Qc3#
      • 1...Sd2
        • 2.Qd3#
      • 1...e4
        • 2.Qb3#
        • 2.Qc3#
      • 1...exd4!
  • Keys
    • 1.Qg3!
      • threat
        • 2.Qg8#
      • 1...Sxe1
        • 2.Qb3#
      • 1...Sxd4
        • 2.Qc3#
      • 1...exd4
        • 2.Qc7#
      • 1...Sd2
        • 2.Qd3#
      • 1...Sh2
        • 2.Qb3#
        • 2.Qc3#
        • 2.Qd3#
      • 1...Sh4
        • 2.Qb3#
        • 2.Qc3#
        • 2.Qd3#
      • 1...Sg5
        • 2.Qb3#
        • 2.Qc3#
        • 2.Qd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • S(a);N_GUARD::QAB(C),XP(c)
  • Tries
    • Try
      • Q(C);
      • Threat
        • DUALS(3)
      • Vars
        • S(d);XB(A)::QAB1(C)
        • S(d);XP(D)::QAR1(C)
        • S(d);::QAB1(C)
      • Refutation
        • P(f);XP(D)
  • Actual
    • Q(C);
    • Threat
      • QAB(C)
    • Vars
      • S(d);OGATE,XB(A)::QAB1(C)
      • S(d);OGATE,XP(D)::QAR1(C)
      • P(f);OGATE,XP(D)::QAR(C)
      • S(d);OGATE::QAB1(C)
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