MESON Chess Problem Database

Problem Display
PID: 110069 (8/7N/p6Q/B1PpP3/3kp3/1P3p2/2P2K2/8 w - - 0 1)

Wheeler, Charles Henry

Fanfulla da Lodi, 1886-1888

8/7N/p6Q/B1PpP3/3kp3/1P3p2/2P2K2/8

#2

8 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kxc5
      • 2.Qb6#
    • 1...Kxe5
      • 2.Qf6#
    • 1...e3+
      • 2.Qxe3#
  • Tries
    • 1.Sf8?
      • 1...e3+
        • 2.Qxe3#
      • 1...Kxc5
        • 2.Qb6#
      • 1...Kxe5!
    • 1.Bb4?
      • 1...e3+
        • 2.Qxe3#
      • 1...Kxe5
        • 2.Qf6#
      • 1...a5!
    • 1.Bc7?
      • threat
        • 2.Qe3#
      • 1...e3+
        • 2.Qxe3#
      • 1...Kxc5
        • 2.Qb6#
      • 1...Kc3!
    • 1.Qg5?
      • 1...e3+
        • 2.Qxe3#
      • 1...Kxc5!
    • 1.Qf8?
      • 1...Kxe5
        • 2.Qf6#
      • 1...e3+!
    • 1.Qh4?
      • 1...Kxe5
        • 2.Qf6#
      • 1...Kxc5!
    • 1.Qxa6?
      • 1...Kxc5
        • 2.Qb6#
      • 1...Kxe5
        • 2.Qf6#
      • 1...e3+!
    • 1.Qb6?
      • 1...Kxe5
        • 2.Qf6#
      • 1...e3+!
    • 1.Qc6?
      • 1...Kxe5
        • 2.Qf6#
      • 1...e3+!
    • 1.Qe6?
      • 1...Kxc5
        • 2.Qb6#
      • 1...e3+!
    • 1.Qf6?
      • 1...Kxc5
        • 2.Qb6#
      • 1...e3+!
    • 1.Qg6?
      • 1...Kxc5
        • 2.Qb6#
      • 1...Kxe5
        • 2.Qf6#
      • 1...e3+!
    • 1.c3+?
      • 1...Kxc5
        • 2.Qb6#
      • 1...Kxe5
        • 2.Qf6#
      • 1...Kd3!
    • 1.c6?
      • 1...e3+
        • 2.Qxe3#
      • 1...Kxe5
        • 2.Qf6#
      • 1...Kc5!
    • 1.e6?
      • 1...e3+
        • 2.Qxe3#
      • 1...Ke5
        • 2.Qf6#
      • 1...Kxc5!
  • Keys
    • 1.c4!
      • 1...e3+
        • 2.Qxe3#
      • 1...Kd3
        • 2.Qd2#
      • 1...Kxc5
        • 2.Qb6#
      • 1...Kxe5
        • 2.Qf6#
      • 1...dxc4
        • 2.Qd6#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(b);OGATEB,S_FLIGHT,XP(E)::QAB1(G)
    • K(b);OGATEB,S_FLIGHT,XP(F)::QAB1(G)
    • P(c);CHECK::QAB1(G),XP(c)
  • Tries
    • Try
      • S(H);
      • Vars
        • P(c);CHECK::QAB1(G),XP(c)
        • K(b);OGATEB,S_FLIGHT,XP(E)::QAB1(G)
      • Refutation
        • K(b);S_FLIGHT,XP(F)
    • Try
      • B(D);
      • Vars
        • P(c);CHECK::QAB1(G),XP(c)
        • K(b);OGATEB,S_FLIGHT,XP(F)::QAB1(G)
      • Refutation
        • P(e);
    • Try
      • B(D);
      • Threat
        • QAB1(G)
      • Vars
        • P(c);CHECK::QAB1(G),XP(c)
        • K(b);OGATEB,S_FLIGHT,XP(E)::QAB1(G)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(G);
      • Vars
        • P(c);CHECK::QAB1(G),XP(c)
      • Refutation
        • K(b);S_FLIGHT,XP(E)
    • Try
      • Q(G);
      • Vars
        • K(b);OGATEB,S_FLIGHT,XP(F)::QAB1(G)
      • Refutation
        • P(c);CHECK
    • Try
      • Q(G);P_PINP(c)
      • Vars
        • K(b);N_SPINP(c),OGATEB,S_FLIGHT,XP(F)::QAB1(G)
      • Refutation
        • K(b);N_SPINP(c),S_FLIGHT,XP(E)
    • Try
      • Q(G);XP(e)
      • Vars
        • K(b);OGATEB,S_FLIGHT,XP(E)::QAB1(G)
        • K(b);OGATEB,S_FLIGHT,XP(F)::QAB1(G)
      • Refutation
        • P(c);CHECK
    • Try
      • Q(G);
      • Vars
        • K(b);OGATEB,S_FLIGHT,XP(F)::QAB1(G)
      • Refutation
        • P(c);CHECK
    • Try
      • Q(G);
      • Vars
        • K(b);OGATEB,S_FLIGHT,XP(F)::QAB1(G)
      • Refutation
        • P(c);CHECK
    • Try
      • Q(G);
      • Vars
        • K(b);OGATEB,S_FLIGHT,XP(E)::QAB1(G)
      • Refutation
        • P(c);CHECK
    • Try
      • Q(G);
      • Vars
        • K(b);OGATEB,S_FLIGHT,XP(E)::QAB1(G)
      • Refutation
        • P(c);CHECK
    • Try
      • Q(G);
      • Vars
        • K(b);OGATEB,S_FLIGHT,XP(E)::QAB1(G)
        • K(b);OGATEB,S_FLIGHT,XP(F)::QAB1(G)
      • Refutation
        • P(c);CHECK
    • Try
      • P(A);CHECK
      • Vars
        • K(b);S_FLIGHT,XP(E)::QAB1(G)
        • K(b);S_FLIGHT,XP(F)::QAB1(G)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • P(E);
      • Vars
        • P(c);CHECK::QAB1(G),XP(c)
        • K(b);OGATEB,S_FLIGHT,XP(F)::QAB1(G)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • P(F);
      • Vars
        • P(c);CHECK::QAB1(G),XP(c)
        • K(b);S_FLIGHT::QAB1(G)
      • Refutation
        • K(b);S_FLIGHT,XP(E)
  • Actual
    • P(A);
    • Vars
      • P(c);CHECK::QAB1(G),XP(c)
      • K(b);P-FLIGHT::QAR1(G)
      • K(b);OGATEB,S_FLIGHT,XP(E)::QAB1(G)
      • K(b);OGATEB,S_FLIGHT,XP(F)::QAB1(G)
      • P(d);OGATEB,XP(A)::QAR2(G)
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