MESON Chess Problem Database

Problem Display
PID: 104307 (3B4/8/8/8/5pp1/7k/5Q2/3BK3 w - - 0 1)

Brzozowicz, Jaroslav

Il Duale, 1978

3B4/8/8/8/5pp1/7k/5Q2/3BK3

#2

4 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Bc2?
      • 1...g3
        • 2.Bf5#
      • 1...f3!
    • 1.Bb3?
      • 1...g3
        • 2.Be6#
      • 1...f3!
    • 1.Bf3?
      • threat
        • 2.Qh4#
        • 2.Qg2#
      • 1...g3
        • 2.Qg2#
      • 1...gxf3!
    • 1.Ba4?
      • 1...g3
        • 2.Bd7#
      • 1...f3!
    • 1.Bh4?
      • 1...f3
        • 2.Qg3#
      • 1...g3!
    • 1.Bc7?
      • 1...f3
        • 2.Qg3#
        • 2.Qh2#
      • 1...g3!
    • 1.Qg1?
      • threat
        • 2.Bxg4#
      • 1...g3
        • 2.Qh1#
      • 1...f3!
  • Keys
    • 1.Kf1!
      • threat
        • 2.Qh4#
        • 2.Qg2#
      • 1...f3
        • 2.Qh4#
      • 1...g3
        • 2.Qg2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(A);
      • Vars
        • P(c);OGATEB::B(A)
      • Refutation
        • P(b);
    • Try
      • B(A);
      • Vars
        • P(c);OGATEB::B(A)
      • Refutation
        • P(b);
    • Try
      • B(A);
      • Threat
        • DUALS(2)
      • Vars
        • P(c);::QAB1(C)
      • Refutation
        • P(c);XB(A)
    • Try
      • B(A);
      • Vars
        • P(c);OGATEB::B(A)
      • Refutation
        • P(b);
    • Try
      • B(D);
      • Vars
        • P(b);N_GUARD::QAR1(C)
      • Refutation
        • P(c);
    • Try
      • B(D);
      • Refutation
        • P(c);
    • Try
      • Q(C);
      • Threat
        • B(A),XP(c)
      • Vars
        • P(c);SBLOCK::QAR2(C)
      • Refutation
        • P(b);
  • Actual
    • K(B);P-FLIGHT
    • Threat
      • DUALS(2)
    • Vars
      • P(b);::QAR1(C)
      • P(c);::QAB1(C)
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