MESON Chess Problem Database

Problem Display
PID: 95771 (4K3/8/8/3PkP2/1p2P2p/1N5N/8/7Q w - - 0 1)

Ceriani, Luigi

L'Italia Scacchistica, 1929

4K3/8/8/3PkP2/1p2P2p/1N5N/8/7Q

#2

7 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kd6
      • 2.Qh2#
    • 1...Kf6
      • 2.Qa1#
  • Tries
    • 1.Kd8?
      • 1...Kd6
        • 2.Qh2#
      • 1...Kf6!
    • 1.Kf8?
      • 1...Kf6
        • 2.Qa1#
      • 1...Kd6!
    • 1.Qf3?
      • 1...Kd6
        • 2.Qf4#
      • 1...Kf6!
    • 1.Qb1?
      • 1...Kf6
        • 2.Qa1#
        • 2.Qb2#
      • 1...Kd6!
    • 1.Qc1?
      • 1...Kd6
        • 2.Qf4#
      • 1...Kf6
        • 2.Qb2#
        • 2.Qa1#
      • 1...Kxe4!
    • 1.Qe1?
      • 1...Kf6
        • 2.Qa1#
      • 1...Kd6!
    • 1.Qf1?
      • 1...Kd6
        • 2.Qf4#
      • 1...Kf6
        • 2.Qa1#
      • 1...Kxe4!
    • 1.Qg1?
      • 1...Kd6
        • 2.Qh2#
      • 1...Kf6
        • 2.Qd4#
        • 2.Qa1#
      • 1...Kxe4!
    • 1.Qh2+?
      • 1...Kf6
        • 2.Qb2#
      • 1...Kxe4!
    • 1.d6?
      • 1...Kf6
        • 2.Qa1#
      • 1...Kxd6!
    • 1.f6?
      • 1...Kd6
        • 2.Qh2#
      • 1...Kxf6!
  • Keys
    • 1.Qg2!
      • 1...Kd6
        • 2.Qh2#
      • 1...Kf6
        • 2.Qb2#

This is a version

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(c);S_FLIGHT::QAB(A)
  • Tries
    • Try
      • K(G);P-FLIGHT
      • Vars
        • K(c);S_FLIGHT::QAB(A)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • K(G);P-FLIGHT
      • Vars
        • K(c);S_FLIGHT::QAB(A)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(c);S_FLIGHT::QAB(A)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(A);
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(c);S_FLIGHT::QAB(A)
      • Refutation
        • K(c);P-FLIGHT,XP(D)
    • Try
      • Q(A);
      • Vars
        • K(c);S_FLIGHT::QAB(A)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(c);S_FLIGHT::QAB(A)
      • Refutation
        • K(c);P-FLIGHT,XP(D)
    • Try
      • Q(A);
      • Vars
        • K(c);S_FLIGHT::QAB(A)
      • Refutation
        • K(c);P-FLIGHT,XP(D)
    • Try
      • Q(A);CHECK
      • Vars
        • K(c);S_FLIGHT::QAB(A)
      • Refutation
        • K(c);P-FLIGHT,XP(D)
    • Try
      • P(E);
      • Vars
        • K(c);S_FLIGHT::QAB(A)
      • Refutation
        • K(c);S_FLIGHT,XP(E)
    • Try
      • P(F);
      • Vars
        • K(c);S_FLIGHT::QAB(A)
      • Refutation
        • K(c);S_FLIGHT,XP(F)
  • Actual
    • Q(A);
    • Vars
      • K(c);S_FLIGHT::QAB(A)
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