MESON Chess Problem Database

Problem Display
PID: 225393 (2R5/5p2/8/3kPK2/3ppQ2/8/8/b6b w - - 0 1)

Bidlen, Anton

Praca, 1995

2R5/5p2/8/3kPK2/3ppQ2/8/8/b6b

#2

4 + 6

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Qc1?
      • threat
        • 2.Rc5#
        • 2.Rd8#
        • 2.Qc4#
        • 2.Qc5#
        • 2.Qc6#
      • 1...d3
        • 2.Rd8#
        • 2.Qc4#
        • 2.Qc5#
      • 1...Bc3!
    • 1.Qd2?
      • threat
        • 2.Qa5#
        • 2.Qa2#
      • 1...Bb2
        • 2.Qa5#
      • 1...Bc3
        • 2.Qa2#
      • 1...d3!
    • 1.Qh6?
      • threat
        • 2.Qc6#
        • 2.Qd6#
      • 1...d3
        • 2.Qd6#
      • 1...f6!
    • 1.Qf2?
      • threat
        • 2.Qa2#
      • 1...d3
        • 2.Rc5#
        • 2.Qc5#
      • 1...Bb2!
  • Keys
    • 1.Qg5!
      • threat
        • 2.Qd8#
      • 1...f6
        • 2.Qg8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);
      • Threat
        • DUALS(5)
      • Refutation
        • B(a);
    • Try
      • Q(A);P_PINP(c)
      • Threat
        • DUALS(2)
      • Vars
        • B(a);::QAR(A)
        • B(a);::QAB(A)
      • Refutation
        • P(c);
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • P(c);::QAR1(A)
      • Refutation
        • P(f);
    • Try
      • Q(A);
      • Threat
        • QAB(A)
      • Refutation
        • B(a);
  • Actual
    • Q(A);
    • Threat
      • QAR(A)
    • Vars
      • P(f);OGATEB::QAB(A)
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