MESON Chess Problem Database

Problem Display
PID: 101525 (8/1p1pp3/1P2Pp2/4kP1P/1PQ5/5K2/8/8 w - - 0 1)

Guidelli, Giorgio

Good Companions (July), 1917

8/1p1pp3/1P2Pp2/4kP1P/1PQ5/5K2/8/8

#2

7 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kxf5
      • 2.Qd5#
    • 1...Kd6
      • 2.Qc5#
    • 1...dxe6
      • 2.Qc5#
    • 1...d5
      • 2.Qf4#
    • 1...d6
      • 2.Qe4#
  • Tries
    • 1.Ke3?
      • 1...Kd6
        • 2.Qc5#
      • 1...dxe6
        • 2.Qxe6#
        • 2.Qc5#
      • 1...d5
        • 2.Qf4#
      • 1...d6
        • 2.Qe4#
      • 1...Kxf5!
    • 1.Qc3+?
      • 1...Kd5
        • 2.Qc5#
      • 1...Kd6
        • 2.Qc5#
      • 1...Kxf5!
    • 1.Qd4+?
      • 1...Kxf5
        • 2.Qd5#
      • 1...Kxd4!
    • 1.h6?
      • 1...Kd6
        • 2.Qc5#
      • 1...dxe6
        • 2.Qc5#
      • 1...d5
        • 2.Qf4#
      • 1...d6
        • 2.Qe4#
      • 1...Kxf5!
    • 1.exd7?
      • threat
        • 2.Qc5#
      • 1...Kd6
        • 2.Qe6#
      • 1...Kxf5!
  • Keys
    • 1.b5!
      • 1...Kxf5
        • 2.Qd5#
      • 1...Kd6
        • 2.Qd4#
      • 1...dxe6
        • 2.Qc5#
      • 1...d5
        • 2.Qf4#
      • 1...d6
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT,XP(D)::QAR2(C)
    • K(a);S_FLIGHT::QAB1(C)
    • P(d);N_GUARD,XP(G)::QAR2(C)
    • P(d);SBLOCK::QAB1(C)
    • P(d);SBLOCK::QAR1(C)
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAB1(C)
        • P(d);SBLOCK::QAB1(C)
        • P(d);SBLOCK::QAR1(C)
      • Refutation
        • K(a);P-FLIGHT,XP(D)
    • Try
      • Q(C);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(C)
        • K(a);S_FLIGHT::QAB1(C)
      • Refutation
        • K(a);P-FLIGHT,XP(D)
    • Try
      • Q(C);CHECK
      • Vars
        • K(a);P-FLIGHT,XP(D)::QAR2(C)
      • Refutation
        • K(a);S_FLIGHT,XQ(C)
    • Try
      • P(E);
      • Vars
        • K(a);S_FLIGHT::QAB1(C)
        • P(d);N_GUARD,XP(G)::QAR2(C)
        • P(d);SBLOCK::QAB1(C)
        • P(d);SBLOCK::QAR1(C)
      • Refutation
        • K(a);P-FLIGHT,XP(D)
    • Try
      • P(G);XP(d)
      • Threat
        • QAR2(C)
      • Vars
        • K(a);S_FLIGHT::QAR1(C)
      • Refutation
        • K(a);P-FLIGHT,XP(D)
  • Actual
    • P(B);
    • Vars
      • K(a);P-FLIGHT,XP(D)::QAR2(C)
      • K(a);S_FLIGHT::QAR2(C)
      • P(d);N_GUARD,XP(G)::QAR2(C)
      • P(d);SBLOCK::QAB1(C)
      • P(d);SBLOCK::QAR1(C)
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