MESON Chess Problem Database

Problem Display
PID: 91107 (8/5p2/5B1p/3PPP1P/p4Nk1/R2p3N/2B3p1/4R1Kb w - - 0 1)

Paslack, Rainer

Die Schwalbe, 1968

8/5p2/5B1p/3PPP1P/p4Nk1/R2p3N/2B3p1/4R1Kb

#2

11 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Bd1+?
      • 1...Kg3
        • 2.Re3#
        • 2.Rxd3#
      • 1...Kxf5!
    • 1.Bxd3?
      • 1...Kg3
        • 2.Be2#
      • 1...Kf3!
    • 1.Rxd3?
      • 1...Kxf5
        • 2.Rg3#
      • 1...a3!
  • Keys
    • 1.Sxd3!
      • 1...Kf3
        • 2.Sdf2#
      • 1...Kg3
        • 2.Sdf2#
      • 1...Kxh3
        • 2.Sf2#
      • 1...Kxf5
        • 2.Sdf2#
      • 1...Kxh5
        • 2.Bd1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(C);CHECK
      • Refutation
        • K(e);S_FLIGHT,XP(I)
    • Try
      • B(C);XP(c)
      • Vars
        • K(e);P-FLIGHT::R(D)+B(C)
      • Refutation
        • K(e);S_FLIGHT
    • Try
      • R(D);XP(c)
      • Vars
        • K(e);S_FLIGHT,XP(I)::B(C)+R(D)
      • Refutation
        • P(d);
  • Actual
    • S(F);XP(c)
    • Vars
      • K(e);S_FLIGHT::R(D)+S(F)
      • K(e);P-FLIGHT::R(D)+S(F)
      • K(e);S_FLIGHT,XS(E)::R(D)+S(F),DCHECK
      • K(e);S_FLIGHT,XP(I)::B(C)+S(F)
      • K(e);S_FLIGHT,XP(J)::B(C)
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