MESON Chess Problem Database

Problem Display
PID: 46464 (8/4N3/b7/2k1KB2/2P5/8/8/1Q6 w - - 0 1)

Buck, E

Zeitbilder, 1939

8/4N3/b7/2k1KB2/2P5/8/8/1Q6

#2

5 + 2

4883 Still More Fun with Chess Miniatures 2002
5454 Near Snap 2010

SOLUTION

  • SOUND
  • Sets
    • 1...Bb5
      • 2.Qxb5#
    • 1...Bb7
      • 2.Qb5#
    • 1...Bc8
      • 2.Qb5#
  • Tries
    • 1.Sc8?
      • 1...Kc6
        • 2.Qb6#
      • 1...Bxc4
        • 2.Qb6#
      • 1...Bxc8
        • 2.Qb5#
      • 1...Bb5
        • 2.Qxb5#
      • 1...Bb7
        • 2.Qb5#
      • 1...Kxc4!
    • 1.Bd3?
      • 1...Bb5
        • 2.Qxb5#
      • 1...Bb7
        • 2.Qb5#
      • 1...Bc8
        • 2.Qb5#
      • 1...Bxc4!
    • 1.Be6?
      • 1...Bb5
        • 2.Qxb5#
      • 1...Bb7
        • 2.Qb5#
      • 1...Bc8
        • 2.Qb5#
      • 1...Bxc4!
    • 1.Qb3?
      • 1...Bb5
        • 2.Qxb5#
      • 1...Bb7
        • 2.Qb5#
      • 1...Bc8
        • 2.Qb5#
      • 1...Bxc4!
  • Keys
    • 1.Sd5!
      • 1...Kxc4
        • 2.Qb4#
      • 1...Kc6
        • 2.Qb6#
      • 1...Bxc4
        • 2.Qb6#
      • 1...Bb5
        • 2.Qxb5#
      • 1...Bb7
        • 2.Qb5#
      • 1...Bc8
        • 2.Qb5#

This anticipates 106215(1954)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • B(b);N_GUARD::QAR1(A),XB(b)
    • B(b);N_GUARD::QAR1(A)
  • Tries
    • Try
      • S(E);
      • Vars
        • K(a);P-FLIGHT::QAR1(A)
        • B(b);SBLOCK,XP(B)::QAB1(A)
        • B(b);N_GUARD,XS(E)::QAR1(A)
        • B(b);N_GUARD::QAR1(A),XB(b)
        • B(b);N_GUARD::QAR1(A)
      • Refutation
        • K(a);P-FLIGHT,XP(B)
    • Try
      • B(D);
      • Vars
        • B(b);N_GUARD::QAR1(A),XB(b)
        • B(b);N_GUARD::QAR1(A)
      • Refutation
        • B(b);XP(B)
    • Try
      • B(D);
      • Vars
        • B(b);N_GUARD::QAR1(A),XB(b)
        • B(b);N_GUARD::QAR1(A)
      • Refutation
        • B(b);XP(B)
    • Try
      • Q(A);
      • Vars
        • B(b);N_GUARD::QAR1(A),XB(b)
        • B(b);N_GUARD::QAR1(A)
      • Refutation
        • B(b);XP(B)
  • Actual
    • S(E);
    • Vars
      • K(a);P-FLIGHT,XP(B)::QAR1(A)
      • K(a);P-FLIGHT::QAR1(A)
      • B(b);SBLOCK,XP(B)::QAB1(A)
      • B(b);N_GUARD::QAR1(A),XB(b)
      • B(b);N_GUARD::QAR1(A)
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