MESON Chess Problem Database

Problem Display
PID: 154301 (7Q/1p1p4/1p1P4/1P1kpP2/PP4P1/2P3B1/3K4/8 w - - 0 1)

Diez Barroso, Victor M

1st HM., Good Companions (May), 1916

7Q/1p1p4/1p1P4/1P1kpP2/PP4P1/2P3B1/3K4/8

#2

10 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Kc4
      • 2.Qg8#
    • 1...Ke4
      • 2.Qh1#
    • 1...Kxd6
      • 2.Qxe5#
    • 1...e4
      • 2.Qd4#
      • 2.Qg8#
  • Tries
    • 1.Kc2?
      • 1...Kc4
        • 2.Qg8#
      • 1...Kxd6
        • 2.Qxe5#
      • 1...e4
        • 2.Qd4#
        • 2.Qg8#
      • 1...Ke4!
    • 1.Ke2?
      • 1...Ke4
        • 2.Qxe5#
        • 2.Qh1#
      • 1...Kxd6
        • 2.Qxe5#
      • 1...e4
        • 2.Qd4#
        • 2.Qg8#
      • 1...Kc4!
    • 1.Kd3?
      • threat
        • 2.Qxe5#
      • 1...Kxd6
        • 2.Qxe5#
      • 1...e4+!
    • 1.Ke3?
      • 1...Kxd6
        • 2.Qxe5#
      • 1...e4
        • 2.Qd4#
        • 2.Qg8#
      • 1...Kc4!
    • 1.Bh2?
      • 1...Kc4
        • 2.Qg8#
      • 1...Kxd6
        • 2.Qxe5#
      • 1...e4
        • 2.Qd4#
        • 2.Qg8#
      • 1...Ke4!
    • 1.Bf4?
      • 1...Kc4
        • 2.Qg8#
      • 1...Kxd6
        • 2.Qxe5#
      • 1...exf4
        • 2.Qd4#
      • 1...e4
        • 2.Qd4#
        • 2.Qg8#
      • 1...Ke4!
    • 1.Bxe5?
      • 1...Kc4
        • 2.Qg8#
      • 1...Ke4!
    • 1.Qf6?
      • 1...Kc4
        • 2.Qf7#
      • 1...e4
        • 2.Qd4#
        • 2.Qf7#
      • 1...Ke4!
    • 1.Qg7?
      • 1...Kc4
        • 2.Qf7#
        • 2.Qg8#
      • 1...Kxd6
        • 2.Qxe5#
      • 1...e4
        • 2.Qd4#
        • 2.Qf7#
        • 2.Qg8#
      • 1...Ke4!
    • 1.Qh5?
      • 1...Kc4
        • 2.Qf7#
      • 1...Ke4
        • 2.Qh1#
      • 1...e4
        • 2.Qf7#
      • 1...Kxd6!
    • 1.Qh7?
      • 1...Kc4
        • 2.Qg8#
        • 2.Qf7#
      • 1...Ke4
        • 2.Qh1#
      • 1...e4
        • 2.Qg8#
        • 2.Qf7#
      • 1...Kxd6!
    • 1.Qa8?
      • 1...Kc4
        • 2.Qg8#
      • 1...Ke4
        • 2.Qxb7#
      • 1...e4
        • 2.Qg8#
      • 1...Kxd6!
    • 1.Qc8?
      • 1...Ke4
        • 2.Qxb7#
      • 1...e4
        • 2.Qg8#
      • 1...Kxd6!
    • 1.Qe8?
      • 1...Kc4
        • 2.Qf7#
        • 2.Qg8#
      • 1...Kxd6
        • 2.Qxe5#
      • 1...e4
        • 2.Qf7#
        • 2.Qg8#
      • 1...Ke4!
    • 1.Qf8?
      • 1...Kc4
        • 2.Qf7#
        • 2.Qg8#
      • 1...e4
        • 2.Qf7#
        • 2.Qg8#
      • 1...Ke4!
    • 1.g5?
      • 1...Kc4
        • 2.Qg8#
      • 1...Kxd6
        • 2.Qxe5#
      • 1...e4
        • 2.Qd4#
        • 2.Qg8#
      • 1...Ke4!
  • Keys
    • 1.Qb8!
      • 1...Kc4
        • 2.Qg8#
      • 1...Ke4
        • 2.Qxb7#
      • 1...e4
        • 2.Qg8#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • K(a);S_FLIGHT::QAB(J)
    • K(a);P-FLIGHT,P_SPINP(b),XP(I)::QAB1(J),XP(b)
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAB(J)
        • K(a);P-FLIGHT,P_SPINP(b),XP(I)::QAB1(J),XP(b)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(A);P-FLIGHT
      • Vars
        • K(a);P-FLIGHT,P_SPINP(b),XP(I)::QAB1(J),XP(b)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(A);P-FLIGHT
      • Threat
        • QAR1(J),XP(b)
      • Vars
        • K(a);P-FLIGHT,P_SPINP(b),XP(I)::QAB1(J),XP(b)
      • Refutation
        • P(b);CHECK
    • Try
      • K(A);S_FLIGHT
      • Vars
        • K(a);P-FLIGHT,P_SPINP(b),XP(I)::QAB1(J),XP(b)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(C);
      • Vars
        • K(a);S_FLIGHT::QAB(J)
        • K(a);P-FLIGHT,P_SPINP(b),XP(I)::QAB1(J),XP(b)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(C);
      • Vars
        • K(a);S_FLIGHT::QAB(J)
        • K(a);P-FLIGHT,P_SPINP(b),XP(I)::QAB1(J),XP(b)
        • P(b);OGATE,XB(C)::QAR1(J)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(C);XP(b)
      • Vars
        • K(a);S_FLIGHT::QAB(J)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(J);
      • Vars
        • K(a);S_FLIGHT::QAB(J)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(J);
      • Vars
        • K(a);P-FLIGHT,P_SPINP(b),XP(I)::QAB1(J),XP(b)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(J);
      • Vars
        • K(a);S_FLIGHT::QAB(J)
        • P(b);SBLOCK::QAB(J)
      • Refutation
        • K(a);P-FLIGHT,P_SPINP(b),XP(I)
    • Try
      • Q(J);
      • Vars
        • K(a);S_FLIGHT::QAB(J)
      • Refutation
        • K(a);P-FLIGHT,P_SPINP(b),XP(I)
    • Try
      • Q(J);P_PINP(d)
      • Vars
        • K(a);N_SPINP(d),S_FLIGHT::QAB(J)
        • K(a);S_FLIGHT::QAB(J),XP(d)
        • P(b);SBLOCK::QAB(J)
      • Refutation
        • K(a);N_SPINP(d),P-FLIGHT,P_SPINP(b),XP(I)
    • Try
      • Q(J);
      • Vars
        • K(a);S_FLIGHT::QAB(J),XP(d)
        • P(b);SBLOCK::QAB(J)
      • Refutation
        • K(a);P-FLIGHT,P_SPINP(b),XP(I)
    • Try
      • Q(J);
      • Vars
        • K(a);P-FLIGHT,P_SPINP(b),XP(I)::QAB1(J),XP(b)
      • Refutation
        • K(a);P_SPINP(b),S_FLIGHT
    • Try
      • Q(J);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • P(F);
      • Vars
        • K(a);S_FLIGHT::QAB(J)
        • K(a);P-FLIGHT,P_SPINP(b),XP(I)::QAB1(J),XP(b)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(J);
    • Vars
      • K(a);S_FLIGHT::QAB(J)
      • K(a);S_FLIGHT::QAB(J),XP(d)
      • P(b);SBLOCK::QAB(J)
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Developed and maintained by Brian Stephenson.
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