MESON Chess Problem Database

Problem Display
PID: 10923 (8/8/B1p5/5p2/2Q5/5k2/8/5NK1 w - - 0 1)

Speckmann, Werner

The Problemist, 1969

8/8/B1p5/5p2/2Q5/5k2/8/5NK1

#2

4 + 3

3295 Einfuhrung in die Welt des Schachproblem 1984

SOLUTION

  • SOUND
  • Sets
    • 1...f4
      • 2.Qe2#
    • 1...c5
      • 2.Bb7#
  • Tries
    • 1.Kh1?
      • 1...Kf2
        • 2.Qe2#
      • 1...f4
        • 2.Qe2#
      • 1...c5!
    • 1.Kh2?
      • 1...Kf2
        • 2.Qe2#
      • 1...f4
        • 2.Qe2#
      • 1...c5!
    • 1.Bb5?
      • threat
        • 2.Bxc6#
      • 1...f4
        • 2.Qe2#
      • 1...c5
        • 2.Bc6#
      • 1...cxb5!
  • Keys
    • 1.Bc8!
      • 1...c5
        • 2.Bb7#
      • 1...f4
        • 2.Qd3#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • P(b);SBLOCK::QAB1(C)
    • P(c);OGATEB::B(D)
  • Tries
    • Try
      • K(B);P-FLIGHT
      • Vars
        • K(a);P-FLIGHT::QAR1(C)
        • P(b);SBLOCK::QAB1(C)
      • Refutation
        • P(c);
    • Try
      • K(B);S_FLIGHT
      • Vars
        • K(a);P-FLIGHT::QAR1(C)
        • P(b);SBLOCK::QAB1(C)
      • Refutation
        • P(c);
    • Try
      • B(D);
      • Threat
        • B(D),XP(c)
      • Vars
        • P(b);SBLOCK::QAB1(C)
        • P(c);::B(D)
      • Refutation
        • P(c);XB(D)
  • Actual
    • B(D);
    • Vars
      • P(c);OGATEB::B(D)
      • P(b);SBLOCK::QAR2(C)
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