MESON Chess Problem Database

Problem Display
PID: 121373 (K1B5/8/2kp4/p1pNb3/b1p1Q3/1pP5/1P6/8 w - - 0 1)

Schlechter, Carl

Sportzeitung, 1915

K1B5/8/2kp4/p1pNb3/b1p1Q3/1pP5/1P6/8

#2

6 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Sb4+?
      • 1...Kb5
        • 2.Qc6#
        • 2.Qb7#
      • 1...Kb6
        • 2.Qb7#
      • 1...Kc7!
    • 1.Se7+?
      • 1...Kb5
        • 2.Qc6#
        • 2.Qb7#
      • 1...Kb6
        • 2.Qb7#
      • 1...Kc7!
    • 1.Qh7?
      • threat
        • 2.Qb7#
      • 1...Kb5
        • 2.Qb7#
        • 2.Qd7#
      • 1...Kxd5
        • 2.Qh1#
      • 1...Bg7!
  • Keys
    • 1.Qf5!
      • 1...Kb5
        • 2.Qd7#
      • 1...Kxd5
        • 2.Qf3#
      • 1...Bxc3
        • 2.Bd7#
      • 1...Bb5
        • 2.Bb7#
      • 1...Bh2
        • 2.Bd7#
      • 1...Bg3
        • 2.Bd7#
      • 1...Bd4
        • 2.Bd7#
      • 1...Bf4
        • 2.Bd7#
      • 1...Bf6
        • 2.Bd7#
      • 1...Bg7
        • 2.Bd7#
      • 1...Bh8
        • 2.Bd7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);CHECK
      • Vars
        • K(g);OGATE,P-FLIGHT::QAR1(C)
      • Refutation
        • K(g);P-FLIGHT
    • Try
      • S(D);CHECK
      • Vars
        • K(g);OGATE,P-FLIGHT::QAR1(C)
      • Refutation
        • K(g);P-FLIGHT
    • Try
      • Q(C);
      • Threat
        • QAB1(C)
      • Vars
        • K(g);OGATEB,S_FLIGHT,XS(D)::QAB(C)
      • Refutation
        • B(f);
  • Actual
    • Q(C);
    • Vars
      • K(g);S_FLIGHT::QAB(C)
      • K(g);OGATEB,P_SPINB(f),S_FLIGHT,XS(D)::QAB(C)
      • B(f);XP(B)::B(F)
      • B(b);SBLOCK::B(F)
      • B(f);::B(F)
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