MESON Chess Problem Database

Problem Display
PID: 229433 (8/8/2QPp1R1/4P2R/4Nk2/8/3P4/K7 w - - 0 1)

Burda, Josef

Sachova skladba, 2003

8/8/2QPp1R1/4P2R/4Nk2/8/3P4/K7

#2

8 + 2

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Rh4+?
      • 1...Kxe5
        • 2.Qc5#
      • 1...Kf5
        • 2.Rg5#
      • 1...Kf3!
    • 1.Qc5?
      • threat
        • 2.Qe3#
      • 1...Kf3
        • 2.Qe3#
      • 1...Kxe4!
    • 1.Qb6?
      • threat
        • 2.Qe3#
      • 1...Kf3
        • 2.Qe3#
      • 1...Kxe4!
  • Keys
    • 1.Sg5!
      • threat
        • 2.Sh3#
        • 2.Sxe6#
      • 1...Kg3
        • 2.Qf3#
      • 1...Kg4
        • 2.Qf3#
      • 1...Kxe5
        • 2.Sxe6#
      • 1...Kf5
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(E);CHECK
      • Vars
        • K(a);S_FLIGHT,XP(D)::QAR2(F)
        • K(a);P-FLIGHT::R1(H)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(F);
      • Threat
        • QAB1(F)
      • Vars
        • K(a);P-FLIGHT::QAR1(F)
      • Refutation
        • K(a);P-FLIGHT,XS(C)
    • Try
      • Q(F);
      • Threat
        • QAB1(F)
      • Vars
        • K(a);P-FLIGHT::QAR1(F)
      • Refutation
        • K(a);P-FLIGHT,XS(C)
  • Actual
    • S(C);
    • Threat
      • DUALS(2)
    • Vars
      • K(a);S_FLIGHT::QAR1(F)
      • K(a);P-FLIGHT::QAB1(F)
      • K(a);S_FLIGHT,XP(D)::R(E)+S(C),XP(b)
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