MESON Chess Problem Database

Problem Display
PID: 193610 (K7/8/8/3kbNQ1/1P1N4/8/8/8 w - - 0 1)

Waldner, Karl

Das Interessante Blatt, 1915

K7/8/8/3kbNQ1/1P1N4/8/8/8

#2

5 + 2

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Tries
    • 1.Qe3?
      • 1...Kc4
        • 2.Qb3#
      • 1...Bh2
        • 2.Qe6#
      • 1...Bg3
        • 2.Qe6#
      • 1...Bf4
        • 2.Qe6#
      • 1...Bd6
        • 2.Qe6#
      • 1...Bf6
        • 2.Qe6#
      • 1...Bc7
        • 2.Qe6#
      • 1...Bg7
        • 2.Qe6#
      • 1...Bb8
        • 2.Qe6#
      • 1...Bh8
        • 2.Qe6#
      • 1...Bxd4!
  • Keys
    • 1.Sd6!
      • 1...Kxd4
        • 2.Qd2#
      • 1...Kxd6
        • 2.Qd8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(D);
      • Vars
        • K(a);S_FLIGHT::QAB1(D)
        • B(b);OGATE::QAB1(D)
      • Refutation
        • B(b);XS(B)
  • Actual
    • S(C);P_PINB(b)
    • Vars
      • K(a);N_SPINB(b),OGATEB,P-FLIGHT,XS(B)::QAR2(D)
      • K(a);N_SPINB(b),OGATEB,P-FLIGHT,XS(C)::QAR2(D)
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