MESON Chess Problem Database

Problem Display
PID: 85405 (4K3/2p5/8/R4pn1/2P1pk1B/2N2P2/Q1P3nN/4R3 w - - 0 1)

Muller, Dieter

Telescacco 92, 1995

4K3/2p5/8/R4pn1/2P1pk1B/2N2P2/Q1P3nN/4R3

#2

10 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Se3
      • 2.Se2#
    • 1...exf3
      • 2.Sd5#
    • 1...e3
      • 2.Se2#
  • Tries
    • 1.Qb2?
      • threat
        • 2.Sd5#
      • 1...Se3
        • 2.Se2#
      • 1...c6
        • 2.Qb8#
      • 1...Sxh4!
    • 1.Qa3?
      • threat
        • 2.Se2#
      • 1...exf3
        • 2.Sd5#
      • 1...c5!
  • Keys
    • 1.Qb3!
      • threat
        • 2.Se2#
      • 1...exf3
        • 2.Sd5#
      • 1...c5
        • 2.Qb8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • S(a);SBLOCK::S(E)
    • P(b);XP(F)::S(E)
    • P(b);SBLOCK::S(E)
  • Tries
    • Try
      • Q(B);
      • Threat
        • S(E)
      • Vars
        • S(a);SBLOCK::S(E)
        • P(f);OGATEB::QAB(B)
      • Refutation
        • S(a);XB(H)
    • Try
      • Q(B);
      • Threat
        • S(E)
      • Vars
        • P(b);XP(F)::S(E)
      • Refutation
        • P(f);
  • Actual
    • Q(B);
    • Threat
      • S(E)
    • Vars
      • P(b);XP(F)::S(E)
      • P(f);OGATEB::QAB(B)
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