MESON Chess Problem Database

Problem Display
PID: 101523 (Q7/2p2p2/2p2K2/3kP3/3p4/1P1p2P1/3P4/8 w - - 0 1)

Guidelli, Giorgio

Good Companions (July), 1917

Q7/2p2p2/2p2K2/3kP3/3p4/1P1p2P1/3P4/8

#2

6 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Qxc6#
    • 1...Kc5
      • 2.Qa5#
  • Tries
    • 1.Kf5?
      • 1...Kc5
        • 2.Qa5#
      • 1...f6!
    • 1.Qb7?
      • 1...Ke4
        • 2.Qxc6#
      • 1...Kc5!
    • 1.Qa4?
      • 1...Ke4
        • 2.Qxc6#
      • 1...Kc5
        • 2.Qa5#
      • 1...c5!
    • 1.Qa6?
      • 1...Ke4
        • 2.Qxc6#
      • 1...Kc5
        • 2.Qa5#
      • 1...c5!
    • 1.Qh8?
      • 1...Ke4
        • 2.Qh1#
      • 1...c5
        • 2.Qh1#
      • 1...Kc5!
    • 1.b4?
      • 1...Ke4
        • 2.Qxc6#
      • 1...Kc4!
    • 1.g4?
      • 1...Kc5
        • 2.Qa5#
      • 1...Ke4!
  • Keys
    • 1.Qa1!
      • 1...Ke4
        • 2.Qh1#
      • 1...Kc5
        • 2.Qa5#
      • 1...c5
        • 2.Qh1#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(c);S_FLIGHT::QAB(F),XP(d)
    • K(c);N_SPINP(d),P-FLIGHT::QAR2(F)
  • Tries
    • Try
      • K(E);P-FLIGHT
      • Vars
        • K(c);N_SPINP(d),P-FLIGHT::QAR2(F)
      • Refutation
        • P(f);
    • Try
      • Q(F);
      • Vars
        • K(c);S_FLIGHT::QAB(F),XP(d)
      • Refutation
        • K(c);N_SPINP(d),P-FLIGHT
    • Try
      • Q(F);N_PINP(d)
      • Vars
        • K(c);P_SPINP(b),S_FLIGHT::QAB(F),XP(d)
        • K(c);P-FLIGHT::QAR2(F)
      • Refutation
        • P(d);
    • Try
      • Q(F);N_PINP(d)
      • Vars
        • K(c);S_FLIGHT::QAB(F),XP(d)
        • K(c);P-FLIGHT::QAR2(F)
      • Refutation
        • P(d);
    • Try
      • Q(F);N_PINP(d)
      • Vars
        • K(c);S_FLIGHT::QAB(F)
        • P(d);SBLOCK::QAB(F)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • P(B);
      • Vars
        • K(c);S_FLIGHT::QAB(F),XP(d)
      • Refutation
        • K(c);N_SPINP(d),S_FLIGHT
    • Try
      • P(C);
      • Vars
        • K(c);N_SPINP(d),P-FLIGHT::QAR2(F)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • Q(F);N_PINP(d)
    • Vars
      • K(c);S_FLIGHT::QAB(F)
      • K(c);P-FLIGHT::QAR2(F)
      • P(d);SBLOCK::QAB(F)
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