MESON Chess Problem Database

Problem Display
PID: 10339 (7K/8/1p6/8/kN6/b1Q5/4B3/8 w - - 0 1)

Tuxen, Harri Viggo

Skakbladet, 1963

7K/8/1p6/8/kN6/b1Q5/4B3/8

#2

4 + 3

3295 Einfuhrung in die Welt des Schachproblem 1984

SOLUTION

  • SOUND
  • Sets
    • 1...Ka5
      • 2.Qxa3#
  • Tries
    • 1.Sd5?
      • threat
        • 2.Sxb6#
      • 1...Bb4
        • 2.Qxb4#
      • 1...b5
        • 2.Sb6#
        • 2.Bd1#
      • 1...Bc5!
    • 1.Qc2+?
      • 1...Ka5
        • 2.Sc6#
      • 1...Kxb4!
    • 1.Qb3+?
      • 1...Ka5
        • 2.Sc6#
        • 2.Qxa3#
      • 1...Kxb3!
  • Keys
    • 1.Sd3!
      • 1...Kb5
        • 2.Sb2#
      • 1...Bb4
        • 2.Qxb4#
      • 1...Bc1
        • 2.Qb4#
      • 1...Bb2
        • 2.Sxb2#
      • 1...Bc5
        • 2.Sb2#
      • 1...Bd6
        • 2.Sb2#
      • 1...Be7
        • 2.Sb2#
      • 1...Bf8
        • 2.Sb2#
      • 1...b5
        • 2.Bd1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 1
  • Sets
    • K(b);P-FLIGHT::QAR2(B),XB(a)
  • Tries
    • Try
      • S(C);
      • Threat
        • S(C),XP(c)
      • Vars
        • B(a);N_GUARD::QAR1(B),XB(a)
      • Refutation
        • B(a);
    • Try
      • Q(B);CHECK
      • Vars
        • K(b);P-FLIGHT::S(C)
      • Refutation
        • K(b);P-FLIGHT,XS(C)
    • Try
      • Q(B);CHECK
      • Refutation
        • K(b);S_FLIGHT,XQ(B)
  • Actual
    • S(C);
    • Vars
      • K(b);S_FLIGHT::B(A)+S(C)
      • B(a);N_GUARD::QAR1(B),XB(a)
      • B(a);N_GUARD::QAR1(B)
      • B(a);N_GUARD,P_PINQ(B)::S(C),XB(a)
      • B(a);N_GUARD::S(C)
      • P(c);SBLOCK::B(A)
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