MESON Chess Problem Database

Problem Display
PID: 22761 (3N4/3Q4/2pPp3/3k4/8/2PK2P1/6P1/8 w - - 0 1)

Kainer, Cenek

Jas, 1929

3N4/3Q4/2pPp3/3k4/8/2PK2P1/6P1/8

#2

7 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Kc5
      • 2.Qxc6#
    • 1...Ke5
      • 2.Qxe6#
    • 1...c5
      • 2.Qxe6#
    • 1...e5
      • 2.Qxc6#
  • Tries
    • 1.Kd2?
      • 1...Ke4
        • 2.Qxe6#
      • 1...Kc5
        • 2.Qxc6#
      • 1...Ke5
        • 2.Qxe6#
      • 1...c5
        • 2.Qxe6#
      • 1...e5
        • 2.Qxc6#
      • 1...Kc4!
    • 1.Ke2?
      • 1...Ke4
        • 2.Qxe6#
      • 1...Kc5
        • 2.Qxc6#
      • 1...Ke5
        • 2.Qxe6#
      • 1...c5
        • 2.Qxe6#
      • 1...e5
        • 2.Qxc6#
      • 1...Kc4!
    • 1.Ke3?
      • 1...Kc5
        • 2.Qxc6#
      • 1...Ke5
        • 2.Qxe6#
      • 1...c5
        • 2.Qxe6#
      • 1...e5
        • 2.Qxc6#
      • 1...Kc4!
    • 1.Qc8?
      • 1...Kc5
        • 2.Qxc6#
      • 1...Ke5
        • 2.Qxe6#
      • 1...e5
        • 2.Qxc6#
      • 1...c5
        • 2.Qxe6#
      • 1...Kxd6!
    • 1.Qe8?
      • 1...Kc5
        • 2.Qxc6#
      • 1...Ke5
        • 2.Qxe6#
      • 1...e5
        • 2.Qxc6#
      • 1...c5
        • 2.Qxe6#
      • 1...Kxd6!
    • 1.c4+?
      • 1...Ke5
        • 2.Qxe6#
      • 1...Kc5!
    • 1.g4?
      • 1...Kc5
        • 2.Qxc6#
      • 1...e5
        • 2.Qxc6#
      • 1...c5
        • 2.Qxe6#
      • 1...Ke5!
  • Keys
    • 1.Kc2!
      • 1...Kc4
        • 2.Qxc6#
      • 1...Ke4
        • 2.Qxe6#
      • 1...Kc5
        • 2.Qxc6#
      • 1...Ke5
        • 2.Qxe6#
      • 1...c5
        • 2.Qxe6#
      • 1...e5
        • 2.Qxc6#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT::QAR1(F),XP(b)
    • K(a);P-FLIGHT::QAR1(F),XP(c)
    • P(b);SBLOCK::QAB1(F),XP(c)
    • P(c);SBLOCK::QAB1(F),XP(b)
  • Tries
    • Try
      • K(C);P-FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAR2(F),XP(c)
        • K(a);P-FLIGHT::QAR1(F),XP(b)
        • K(a);P-FLIGHT::QAR1(F),XP(c)
        • P(b);SBLOCK::QAB1(F),XP(c)
        • P(c);SBLOCK::QAB1(F),XP(b)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(C);S_FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAR2(F),XP(c)
        • K(a);P-FLIGHT::QAR1(F),XP(b)
        • K(a);P-FLIGHT::QAR1(F),XP(c)
        • P(b);SBLOCK::QAB1(F),XP(c)
        • P(c);SBLOCK::QAB1(F),XP(b)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(C);P-FLIGHT
      • Vars
        • K(a);P-FLIGHT::QAR1(F),XP(b)
        • K(a);P-FLIGHT::QAR1(F),XP(c)
        • P(b);SBLOCK::QAB1(F),XP(c)
        • P(c);SBLOCK::QAB1(F),XP(b)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(F);
      • Vars
        • K(a);P-FLIGHT,P_SPINP(b)::QAR1(F),XP(b)
        • K(a);P-FLIGHT::QAR1(F),XP(c)
        • P(c);SBLOCK::QAB1(F),XP(b)
        • P(b);SBLOCK::QAB1(F),XP(c)
      • Refutation
        • K(a);P-FLIGHT,XP(E)
    • Try
      • Q(F);
      • Vars
        • K(a);P-FLIGHT::QAR1(F),XP(b)
        • K(a);P-FLIGHT,P_SPINP(c)::QAR1(F),XP(c)
        • P(c);SBLOCK::QAB1(F),XP(b)
        • P(b);SBLOCK::QAB1(F),XP(c)
      • Refutation
        • K(a);P-FLIGHT,XP(E)
    • Try
      • P(B);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(F),XP(c)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • P(D);
      • Vars
        • K(a);P-FLIGHT::QAR1(F),XP(b)
        • P(c);SBLOCK::QAB1(F),XP(b)
        • P(b);SBLOCK::QAB1(F),XP(c)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • K(C);S_FLIGHT
    • Vars
      • K(a);S_FLIGHT::QAR2(F),XP(b)
      • K(a);S_FLIGHT::QAR2(F),XP(c)
      • K(a);P-FLIGHT::QAR1(F),XP(b)
      • K(a);P-FLIGHT::QAR1(F),XP(c)
      • P(b);SBLOCK::QAB1(F),XP(c)
      • P(c);SBLOCK::QAB1(F),XP(b)
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