MESON Chess Problem Database

Problem Display
PID: 274926 (1Q5n/4k3/1pP3R1/bR1B1p2/8/2N1Nprq/p7/1bK2n2 w - - 0 1)

Burda, Josef

Sachova skladba, 2023

1Q5n/4k3/1pP3R1/bR1B1p2/8/2N1Nprq/p7/1bK2n2

#2

8 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Sf7
      • 2.Re6#
  • Tries
    • 1.Rd6?
      • threat
        • 2.Qd8#
      • 1...Sf7
        • 2.Re6#
      • 1...Rg8!
    • 1.Qc7+?
      • 1...Kf8
        • 2.Qd8#
      • 1...Ke8!
    • 1.c7?
      • threat
        • 2.Qd8#
      • 1...Kd7
        • 2.Qd8#
      • 1...Sf7!
  • Keys
    • 1.Bg8!
      • threat
        • 2.Scd5#
        • 2.Sed5#
        • 2.Re5#
        • 2.Re6#
      • 1...Rxg6
        • 2.Scd5#
        • 2.Sed5#
      • 1...Bxc3
        • 2.Sd5#
        • 2.Re6#
      • 1...Sxe3
        • 2.Re5#
        • 2.Re6#
      • 1...Sxg6
        • 2.Scd5#
        • 2.Sed5#
      • 1...Qh6
        • 2.Sd5#
        • 2.Re5#
      • 1...Be4
        • 2.Re5#
        • 2.Re6#
      • 1...Sf7
        • 2.Scd5#
        • 2.Sed5#
      • 1...f4
        • 2.Scd5#
        • 2.Sed5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • S(k);SBLOCK::R1(G)
  • Tries
    • Try
      • R(G);
      • Threat
        • QAB1(H)
      • Vars
        • S(k);SBLOCK::R1(G)
      • Refutation
        • R(e);
    • Try
      • Q(H);CHECK
      • Vars
        • K(j);N_GUARD,S_FLIGHT::QAR2(H)
      • Refutation
        • K(j);P-FLIGHT
    • Try
      • P(F);
      • Threat
        • QAB1(H)
      • Vars
        • K(j);P-FLIGHT::QAR1(H)
      • Refutation
        • S(k);
  • Actual
    • B(E);
    • Threat
      • DUALS(4)
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