MESON Chess Problem Database

Problem Display
PID: 101685 (6Q1/8/1Np5/2P1p2P/4kp2/2p5/2P2P2/5K2 w - - 0 1)

Spiess, Jean-Yves

diagrammes, 1990

6Q1/8/1Np5/2P1p2P/4kp2/2p5/2P2P2/5K2

#2

7 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kf3
      • 2.Qg2#
    • 1...Kd4
      • 2.Qc4#
    • 1...Kf5
      • 2.Qg6#
    • 1...f3
      • 2.Qg4#
  • Tries
    • 1.Ke1?
      • 1...Kd4
        • 2.Qc4#
      • 1...Kf5
        • 2.Qg6#
      • 1...f3
        • 2.Qg4#
      • 1...Kf3!
    • 1.Kg1?
      • 1...Kd4
        • 2.Qc4#
      • 1...Kf5
        • 2.Qg6#
      • 1...f3
        • 2.Qg4#
      • 1...Kf3!
    • 1.Ke2?
      • 1...Kd4
        • 2.Qc4#
      • 1...Kf5
        • 2.Qg6#
      • 1...f3+!
    • 1.Kg2?
      • 1...Kd4
        • 2.Qc4#
      • 1...Kf5
        • 2.Qg6#
      • 1...f3+!
    • 1.Qc4+?
      • 1...Kf3
        • 2.Qe2#
      • 1...Kf5!
    • 1.Qe6?
      • 1...Kd4
        • 2.Qc4#
      • 1...f3
        • 2.Qg4#
      • 1...Kf3!
    • 1.Qg2+?
      • 1...Kf5
        • 2.Qg6#
      • 1...f3
        • 2.Qg4#
      • 1...Kd4!
    • 1.Qg5?
      • 1...Kf3
        • 2.Qg2#
      • 1...f3
        • 2.Qg4#
      • 1...Kd4!
    • 1.Qg6+?
      • 1...Kf3
        • 2.Qg2#
      • 1...Kd4!
    • 1.Qg7?
      • 1...Kf3
        • 2.Qg2#
      • 1...Kf5
        • 2.Qg6#
      • 1...f3
        • 2.Qg4#
      • 1...Kd4!
    • 1.h6?
      • 1...Kf3
        • 2.Qg2#
      • 1...Kd4
        • 2.Qc4#
      • 1...f3
        • 2.Qg4#
      • 1...Kf5!
  • Keys
    • 1.Qg1!
      • 1...Kf3
        • 2.Qg2#
      • 1...Kd4
        • 2.f3#
      • 1...Kf5
        • 2.Qg6#
      • 1...f3
        • 2.Qg4#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::QAB1(G)
    • K(b);P-FLIGHT::QAR1(G)
    • P(c);OGATEB::QAR2(G)
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Vars
        • K(b);P-FLIGHT::QAR1(G)
        • K(b);S_FLIGHT::QAB1(G)
        • P(c);OGATEB::QAR2(G)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • K(A);P-FLIGHT
      • Vars
        • K(b);P-FLIGHT::QAR1(G)
        • K(b);S_FLIGHT::QAB1(G)
        • P(c);OGATEB::QAR2(G)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • K(A);S_FLIGHT
      • Vars
        • K(b);P-FLIGHT::QAR1(G)
        • K(b);S_FLIGHT::QAB1(G)
      • Refutation
        • P(c);CHECK
    • Try
      • K(A);S_FLIGHT
      • Vars
        • K(b);P-FLIGHT::QAR1(G)
        • K(b);S_FLIGHT::QAB1(G)
      • Refutation
        • P(c);CHECK
    • Try
      • Q(G);CHECK
      • Vars
        • K(b);S_FLIGHT::QAB1(G)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(G);P_PINP(d)
      • Vars
        • K(b);N_SPINP(d),P-FLIGHT::QAR1(G)
        • P(c);OGATEB::QAR2(G)
      • Refutation
        • K(b);N_SPINP(d),S_FLIGHT
    • Try
      • Q(G);CHECK
      • Vars
        • K(b);S_FLIGHT::QAB1(G)
        • P(c);OGATEB,P_SPINP(c)::QAR2(G)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(G);
      • Vars
        • K(b);S_FLIGHT::QAB1(G)
        • P(c);OGATEB::QAR2(G)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(G);CHECK
      • Vars
        • K(b);S_FLIGHT::QAB1(G)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(G);
      • Vars
        • K(b);S_FLIGHT::QAB1(G)
        • P(c);OGATEB::QAR2(G)
      • Refutation
        • K(b);P-FLIGHT,P_SPINP(d)
    • Try
      • P(E);
      • Vars
        • K(b);S_FLIGHT::QAB1(G)
        • K(b);P-FLIGHT::QAR1(G)
        • P(c);OGATEB::QAR2(G)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • Q(G);
    • Vars
      • K(b);S_FLIGHT::QAB1(G)
      • K(b);P-FLIGHT::QAB(G)+P(C)
      • P(c);OGATEB::QAR2(G)
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