MESON Chess Problem Database

Problem Display
PID: 140868 (8/3K4/3Bp3/8/p2pk1BQ/5Rn1/q7/8 w - - 0 1)

Subotic, Miroslav

Liga Problemista, 1999/1

8/3K4/3Bp3/8/p2pk1BQ/5Rn1/q7/8

#2

5 + 6

6490 yacpdb 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Kd5
      • 2.Bxe6#
    • 1...Qd5
      • 2.Bh5#
  • Tries
    • 1.Bh3+?
      • 1...Kd5
        • 2.Bxe6#
      • 1...Kxf3!
    • 1.Bf5+?
      • 1...Kd5
        • 2.Bxe6#
      • 1...Kxf3!
    • 1.Qg5?
      • threat
        • 2.Qe5#
      • 1...e5
        • 2.Qxe5#
      • 1...Qd5
        • 2.Qf4#
      • 1...Sf5!
    • 1.Qh7+?
      • 1...Kd5
        • 2.Bxe6#
      • 1...Sf5!
  • Keys
    • 1.Qf6!
      • threat
        • 2.Qe5#
      • 1...Kd5
        • 2.Qxe6#
      • 1...Qd5
        • 2.Qf4#
      • 1...e5
        • 2.Qxe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(e);S_FLIGHT::B(B),XP(f)
    • Q(a);P_PINB(D),SBLOCK::QAR(C)+B(B)
  • Tries
    • Try
      • B(B);CHECK
      • Vars
        • K(e);S_FLIGHT::B(B),XP(f)
      • Refutation
        • K(e);S_FLIGHT,XR(A)
    • Try
      • B(B);CHECK
      • Vars
        • K(e);S_FLIGHT::B(B),XP(f)
      • Refutation
        • K(e);S_FLIGHT,XR(A)
    • Try
      • Q(C);
      • Threat
        • QAR1(C)
      • Vars
        • P(f);::QAR1(C),XP(f)
        • Q(a);P_PINB(D),SBLOCK::QAR1(C)
      • Refutation
        • S(b);
    • Try
      • Q(C);CHECK
      • Vars
        • K(e);S_FLIGHT::B(B),XP(f)
      • Refutation
        • S(b);P_SPINS(b)
  • Actual
    • Q(C);
    • Threat
      • QAR1(C)
    • Vars
      • K(e);S_FLIGHT::QAB1(C),XP(f)
      • Q(a);P_PINB(D),SBLOCK::QAR1(C)
      • P(f);::QAR1(C),XP(f)
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