MESON Chess Problem Database

Problem Display
PID: 67616 (1B6/5p1b/1p4R1/4p3/1K2kP1p/Q3P2B/8/4R2N w - - 0 1)

Labai, Zoltan

2nd Prize=, Schach-Aktiv, 1993

1B6/5p1b/1p4R1/4p3/1K2kP1p/Q3P2B/8/4R2N

#2

9 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Kf3
      • 2.Bg2#
    • 1...Kd5
      • 2.Qd3#
      • 2.Qa8#
    • 1...f5
      • 2.Bg2#
  • Tries
    • 1.Kc4?
      • threat
        • 2.Qa8#
      • 1...Kf3
        • 2.Bg2#
      • 1...b5+!
    • 1.Sf2+?
      • 1...Kd5
        • 2.Rd1#
        • 2.Rd6#
        • 2.Qa2#
        • 2.Qb3#
        • 2.Qd3#
        • 2.Qa8#
      • 1...Kf3!
    • 1.Sg3+?
      • 1...Kf3
        • 2.Rf1#
      • 1...Kd5
        • 2.Rd1#
        • 2.Rd6#
        • 2.Qa2#
        • 2.Qb3#
        • 2.Qd3#
        • 2.Qa8#
      • 1...hxg3!
    • 1.Rg5?
      • threat
        • 2.Bg2#
      • 1...Kf3
        • 2.Bg2#
      • 1...Kd5
        • 2.Qa8#
      • 1...exf4!
    • 1.Rf6?
      • threat
        • 2.Bg2#
      • 1...Kf3
        • 2.e4#
      • 1...Kd5
        • 2.Qa8#
      • 1...exf4!
    • 1.Qd3+?
      • 1...Kf3
        • 2.Bg2#
        • 2.Rf1#
      • 1...Kxd3!
  • Keys
    • 1.Kc3!
      • threat
        • 2.Qa8#
      • 1...Kf3
        • 2.Bg2#
      • 1...Kd5
        • 2.e4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • K(a);S_FLIGHT::B(E)
    • P(e);SBLOCK::B(E)
  • Tries
    • Try
      • K(F);P-FLIGHT
      • Threat
        • QAB(C)
      • Vars
        • K(a);S_FLIGHT::B(E)
      • Refutation
        • P(d);CHECK
    • Try
      • S(B);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(B);CHECK
      • Vars
        • K(a);S_FLIGHT::R(A)
      • Refutation
        • P(b);XS(B)
    • Try
      • R(H);
      • Threat
        • B(E)
      • Vars
        • K(a);S_FLIGHT::B(E)
        • K(a);P_SPINP(c),S_FLIGHT::QAB(C)
      • Refutation
        • P(c);XP(G)
    • Try
      • R(H);
      • Threat
        • B(E)
      • Vars
        • K(a);OGATE,S_FLIGHT::QAR(C)+P(D)
        • K(a);S_FLIGHT::QAB(C)
      • Refutation
        • P(c);XP(G)
    • Try
      • Q(C);CHECK
      • Refutation
        • K(a);S_FLIGHT,XQ(C)
  • Actual
    • K(F);S_FLIGHT
    • Threat
      • QAB(C)
    • Vars
      • K(a);S_FLIGHT::B(E)
      • K(a);OGATE,S_FLIGHT::P(D)
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