MESON Chess Problem Database

Problem Display
PID: 136974 (Q7/8/1P3P1P/2k2B2/2P5/4N3/4RB2/1K6 w - - 0 1)

Jovanovic, Toplica

6th Prize, Liga Problemista, 1996/1

Q7/8/1P3P1P/2k2B2/2P5/4N3/4RB2/1K6

#2

10 + 1

6490 yacpdb 2010

SOLUTION

  • SOUND
  • Sets
    • 1...Kxb6
      • 2.Sd5#
    • 1...Kd6
      • 2.Qd5#
  • Tries
    • 1.Ka2?
      • 1...Kb4
        • 2.Qa3#
      • 1...Kxb6
        • 2.Sd5#
      • 1...Kd6
        • 2.Qd5#
      • 1...Kd4!
    • 1.Kc2?
      • 1...Kd4
        • 2.Qd5#
      • 1...Kxb6
        • 2.Sd5#
      • 1...Kd6
        • 2.Qd5#
      • 1...Kb4!
    • 1.Sc2+?
      • 1...Kd6
        • 2.Qd5#
        • 2.c5#
      • 1...Kxc4!
    • 1.Sd5+?
      • 1...Kd6
        • 2.c5#
      • 1...Kxc4!
    • 1.Be1?
      • 1...Kd4
        • 2.Qd5#
      • 1...Kd6
        • 2.Qd5#
      • 1...Kxb6!
    • 1.Ra2?
      • 1...Kb4
        • 2.Qa3#
      • 1...Kxb6
        • 2.Sd5#
      • 1...Kd6
        • 2.Qd5#
      • 1...Kd4!
    • 1.Rb2?
      • threat
        • 2.Qd5#
      • 1...Kd6
        • 2.Qd5#
      • 1...Kd4!
    • 1.Rc2?
      • 1...Kd4
        • 2.Sg4#
        • 2.Qd5#
      • 1...Kxb6
        • 2.Sd5#
      • 1...Kd6
        • 2.Qd5#
      • 1...Kb4!
    • 1.Rd2?
      • 1...Kxb6
        • 2.Sd5#
      • 1...Kb4!
    • 1.Qa5+?
      • 1...Kd4
        • 2.Rd2#
      • 1...Kd6
        • 2.Qd5#
      • 1...Kc6!
    • 1.Qd8?
      • 1...Kc6
        • 2.Qc7#
      • 1...Kb4!
  • Keys
    • 1.Kb2!
      • 1...Kb4
        • 2.Qa3#
      • 1...Kd4
        • 2.Qd5#
      • 1...Kxb6
        • 2.Sd5#
      • 1...Kd6
        • 2.Qd5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT,XP(G)::B(C)+S(D),DCHECK
    • K(a);S_FLIGHT::QAR1(J)
  • Tries
    • Try
      • K(A);S_FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAB1(J)
        • K(a);S_FLIGHT,XP(G)::B(C)+S(D),DCHECK
        • K(a);S_FLIGHT::QAR1(J)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(A);S_FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAR1(J)
        • K(a);S_FLIGHT,XP(G)::B(C)+S(D),DCHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(D);CHECK
      • Refutation
        • K(a);P-FLIGHT,XP(E)
    • Try
      • S(D);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::P(E)
      • Refutation
        • K(a);P-FLIGHT,XP(E)
    • Try
      • B(C);
      • Vars
        • K(a);S_FLIGHT::QAR1(J)
      • Refutation
        • K(a);S_FLIGHT,XP(G)
    • Try
      • R(B);
      • Vars
        • K(a);S_FLIGHT::QAB1(J)
        • K(a);S_FLIGHT,XP(G)::B(C)+S(D),DCHECK
        • K(a);S_FLIGHT::QAR1(J)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(B);
      • Threat
        • QAR1(J)
      • Vars
        • K(a);S_FLIGHT::QAR1(J)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(B);
      • Vars
        • K(a);S_FLIGHT,XP(G)::B(C)+S(D),DCHECK
        • K(a);S_FLIGHT::QAR1(J)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(B);
      • Vars
        • K(a);S_FLIGHT,XP(G)::B(C)+S(D),DCHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(J);CHECK
      • Vars
        • K(a);S_FLIGHT::R(B)
        • K(a);OGATE,S_FLIGHT::QAR1(J)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(J);
      • Vars
        • K(a);P-FLIGHT::QAR1(J)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • K(A);P-FLIGHT
    • Vars
      • K(a);S_FLIGHT::QAB1(J)
      • K(a);S_FLIGHT::QAR1(J)
      • K(a);S_FLIGHT,XP(G)::B(C)+S(D),DCHECK
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