MESON Chess Problem Database

Problem Display
PID: 108827 (8/8/6p1/QP1N2P1/1P2k3/1B3NP1/3P2K1/8 w - - 0 1)

Lebloch, Ivo

Original, 1991

8/8/6p1/QP1N2P1/1P2k3/1B3NP1/3P2K1/8

#2

10 + 2

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Sc3+?
      • 1...Kd3
        • 2.Qd8#
      • 1...Kf5!
    • 1.Sf6+?
      • 1...Kf5
        • 2.b6#
      • 1...Kd3!
    • 1.Qb6?
      • threat
        • 2.Qxg6#
      • 1...Kd3
        • 2.Qe3#
      • 1...Kf5!
    • 1.Qc7?
      • threat
        • 2.Qc2#
      • 1...Kd3
        • 2.Qc4#
      • 1...Kf5!
    • 1.Qd8?
      • threat
        • 2.Bc2#
      • 1...Kd3
        • 2.Sc3#
      • 1...Kf5!
    • 1.Qa7?
      • 1...Kd3
        • 2.Qe3#
      • 1...Kf5!
    • 1.d3+?
      • 1...Kf5
        • 2.Se3#
      • 1...Kxd3!
    • 1.b6?
      • threat
        • 2.Bc2#
      • 1...Kf5
        • 2.Sf6#
      • 1...Kd3!
  • Keys
    • 1.Qa8!
      • threat
        • 2.Bc2#
      • 1...Kd3
        • 2.Sf4#
      • 1...Kf5
        • 2.Se3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(I);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR(G)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(I);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR(G)+P(H)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(G);
      • Threat
        • QAB(G),XP(b)
      • Vars
        • K(a);S_FLIGHT::QAR1(G)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(G);
      • Threat
        • QAB(G)
      • Vars
        • K(a);S_FLIGHT::QAB1(G)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(G);
      • Threat
        • B(C)
      • Vars
        • K(a);S_FLIGHT::QAR(G)+S(I)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(G);
      • Vars
        • K(a);S_FLIGHT::QAR1(G)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • P(A);CHECK
      • Vars
        • K(a);S_FLIGHT::S(I)
      • Refutation
        • K(a);S_FLIGHT,XP(A)
    • Try
      • P(H);
      • Threat
        • B(C)
      • Vars
        • K(a);S_FLIGHT::QAR(G)+S(I)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(G);
    • Threat
      • B(C)
    • Vars
      • K(a);S_FLIGHT::S(I)
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