MESON Chess Problem Database

Problem Display
PID: 225339 (4BR2/2pNp3/2P1k1pr/1N4p1/2K2b2/4p1pb/1p3Q2/3n1r2 w - - 0 1)

Labai, Zoltan

3rd HM., Praca, 1999

4BR2/2pNp3/2P1k1pr/1N4p1/2K2b2/4p1pb/1p3Q2/3n1r2

#2

7 + 13

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Bf5
      • 2.Bf7#
    • 1...Be5
      • 2.Sc5#
      • 2.Bf7#
    • 1...Bd6
      • 2.Sd4#
      • 2.Bf7#
  • Tries
    • 1.Kd4?
      • threat
        • 2.Sc5#
      • 1...Bd6
        • 2.Bf7#
      • 1...Be5+!
    • 1.Kc5?
      • threat
        • 2.Sd4#
      • 1...Be5
        • 2.Bf7#
      • 1...Bd6+!
  • Keys
    • 1.Qc2!
      • threat
        • 2.Bf7#
      • 1...Rh7
        • 2.Qxg6#
      • 1...Be5
        • 2.Sc5#
      • 1...Bd6
        • 2.Sd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • B(f);SBLOCK::B(F)
  • Tries
    • Try
      • K(B);P-FLIGHT
      • Threat
        • S(E)
      • Vars
        • B(g);::B(F)
      • Refutation
        • B(g);CHECK
    • Try
      • K(B);P-FLIGHT
      • Threat
        • S(C)
      • Vars
        • B(g);::B(F)
      • Refutation
        • B(g);CHECK
  • Actual
    • Q(A);
    • Threat
      • B(F)
    • Vars
      • R(k);N_GUARD::QAR2(A),XP(j)
      • B(g);SBLOCK::S(E)
      • B(g);SBLOCK::S(C)
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