MESON Chess Problem Database

Problem Display
PID: 232982 (8/8/2p5/3p4/2kN4/2P3Q1/1K6/8 w - - 0 1)

Kozhakin, Vladimir Vladimirovich

Kudesnik, 2001

8/8/2p5/3p4/2kN4/2P3Q1/1K6/8

#2

4 + 3

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Kc2?
      • 1...c5
        • 2.Qd3#
      • 1...Kc5!
    • 1.Qe1?
      • 1...Kd3
        • 2.Qe2#
      • 1...c5
        • 2.Qf1#
        • 2.Qe2#
      • 1...Kc5!
    • 1.Qf2?
      • 1...Kd3
        • 2.Qe2#
      • 1...c5
        • 2.Qf1#
        • 2.Qe2#
      • 1...Kc5!
    • 1.Qh2?
      • 1...Kd3
        • 2.Qe2#
      • 1...c5
        • 2.Qe2#
      • 1...Kc5!
    • 1.Qe5?
      • 1...Kd3
        • 2.Qe2#
      • 1...c5
        • 2.Qe2#
      • 1...Kc5!
    • 1.Qd6?
      • 1...c5
        • 2.Qa6#
      • 1...Kd3!
    • 1.Qb8?
      • 1...Kc5
        • 2.Qb4#
      • 1...c5
        • 2.Qb5#
      • 1...Kd3!
    • 1.Qg2?
      • 1...Kd3
        • 2.Qe2#
      • 1...c5
        • 2.Qf1#
        • 2.Qe2#
      • 1...Kc5!
    • 1.Qe3?
      • 1...c5
        • 2.Qe2#
      • 1...Kc5!
    • 1.Qf3?
      • 1...c5
        • 2.Qe2#
        • 2.Qf1#
      • 1...Kc5!
    • 1.Qh3?
      • 1...c5
        • 2.Qf1#
      • 1...Kc5!
    • 1.Qg4?
      • 1...Kd3
        • 2.Qe2#
      • 1...c5
        • 2.Qe2#
      • 1...Kc5!
  • Keys
    • 1.Qg6!
      • 1...Kc5
        • 2.Qxc6#
      • 1...c5
        • 2.Qa6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Vars
        • P(c);SBLOCK::QAB1(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(C);
      • Vars
        • K(a);S_FLIGHT::QAB1(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(C);
      • Vars
        • K(a);S_FLIGHT::QAB1(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(C);
      • Vars
        • K(a);S_FLIGHT::QAB1(C)
        • P(c);SBLOCK::QAB(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(C);
      • Vars
        • K(a);S_FLIGHT::QAB1(C)
        • P(c);SBLOCK::QAB(C)
      • Refutation
        • K(a);P-FLIGHT,P_SPINP(b)
    • Try
      • Q(C);
      • Vars
        • P(c);OGATE,SBLOCK::QAB(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(C);
      • Vars
        • K(a);P-FLIGHT::QAB1(C)
        • P(c);N_GUARD::QAB1(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(C);
      • Vars
        • K(a);S_FLIGHT::QAB1(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(C);
      • Vars
        • P(c);SBLOCK::QAB(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(C);
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(C);
      • Vars
        • P(c);SBLOCK::QAB(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(C);
      • Vars
        • K(a);S_FLIGHT::QAB1(C)
        • P(c);SBLOCK::QAB(C)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • Q(C);
    • Vars
      • K(a);P-FLIGHT::QAR1(C),XP(c)
      • P(c);OGATE,SBLOCK::QAB(C)
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