MESON Chess Problem Database

Problem Display
PID: 121283 (4B2n/4PR2/6kp/7p/7P/3K4/1B6/8 w - - 0 1)

von Wardener, Friedrich Freiherr

Bohemia, 1901

4B2n/4PR2/6kp/7p/7P/3K4/1B6/8

#2

6 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Ba4?
      • 1...Kxf7
        • 2.e8Q#
      • 1...Sxf7!
    • 1.Bb5?
      • 1...Kxf7
        • 2.e8Q#
      • 1...Sxf7!
    • 1.Bd7?
      • threat
        • 2.Rg7#
      • 1...Kxf7
        • 2.e8Q#
      • 1...Sxf7!
    • 1.Rf8+?
      • 1...Kh7
        • 2.Rxh8#
      • 1...Sf7!
  • Keys
    • 1.Bc6!
      • 1...Kxf7
        • 2.e8Q#
      • 1...Sxf7
        • 2.Be4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(F);
      • Vars
        • K(b);S_FLIGHT,XR(E)::P=Q
      • Refutation
        • S(d);XR(E)
    • Try
      • B(F);
      • Vars
        • K(b);S_FLIGHT,XR(E)::P=Q
      • Refutation
        • S(d);XR(E)
    • Try
      • B(F);
      • Threat
        • R1(E)
      • Vars
        • K(b);S_FLIGHT,XR(E)::P=Q
      • Refutation
        • S(d);XR(E)
    • Try
      • R(E);CHECK
      • Vars
        • K(b);S_FLIGHT::R1(E),XS(d)
      • Refutation
        • S(d);P_SPINS(d)
  • Actual
    • B(F);
    • Vars
      • K(b);S_FLIGHT,XR(E)::P=Q
      • S(d);SBLOCK,XR(E)::B(F)
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