MESON Chess Problem Database

Problem Display
PID: 239215 (8/1K1p4/8/2k5/2N2P2/1Q6/8/4B3 w - - 0 1)

Kozhakin, Vladimir Vladimirovich

L'Italia Scacchistica, 1999

8/1K1p4/8/2k5/2N2P2/1Q6/8/4B3

#2

5 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Sb2?
      • 1...Kd6
        • 2.Bb4#
      • 1...d5
        • 2.Qb4#
        • 2.Qb6#
      • 1...d6
        • 2.Bf2#
        • 2.Qc4#
      • 1...Kd4!
    • 1.Sd2?
      • 1...Kd4
        • 2.Bf2#
      • 1...d5
        • 2.Qb6#
      • 1...d6
        • 2.Bf2#
        • 2.Qc4#
      • 1...Kd6!
    • 1.Sa3?
      • 1...Kd6
        • 2.Bb4#
      • 1...d5
        • 2.Qb4#
        • 2.Qb6#
      • 1...d6
        • 2.Bf2#
        • 2.Qc4#
      • 1...Kd4!
    • 1.Se3?
      • threat
        • 2.Qd5#
        • 2.Qb4#
        • 2.Qb6#
      • 1...Kd6
        • 2.Bb4#
      • 1...d5
        • 2.Qxd5#
        • 2.Qb4#
        • 2.Qb6#
      • 1...Kd4!
    • 1.Sa5?
      • 1...Kd6
        • 2.Bb4#
      • 1...d5
        • 2.Qb4#
        • 2.Qb6#
      • 1...d6
        • 2.Bf2#
        • 2.Qc4#
      • 1...Kd4!
    • 1.Se5?
      • 1...Kd6
        • 2.Bb4#
      • 1...d5
        • 2.Qb4#
        • 2.Qb6#
      • 1...d6
        • 2.Bf2#
        • 2.Qc4#
      • 1...Kd4!
    • 1.Sb6?
      • threat
        • 2.Qd5#
        • 2.Qb4#
      • 1...Kd6
        • 2.Bb4#
      • 1...d5
        • 2.Qxd5#
        • 2.Qb4#
      • 1...Kd4!
  • Keys
    • 1.Sd6!
      • 1...Kd4
        • 2.Bf2#
      • 1...Kxd6
        • 2.Bb4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);
      • Vars
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(C);
      • Vars
        • K(a);S_FLIGHT::B(A)
        • P(b);SBLOCK::QAB1(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(C);
      • Vars
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(C);
      • Threat
        • DUALS(3)
      • Vars
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(C);
      • Vars
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(C);
      • Vars
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(C);
      • Threat
        • DUALS(2)
      • Vars
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • S(C);
    • Vars
      • K(a);S_FLIGHT::B(A)
      • K(a);S_FLIGHT,XS(C)::B(A)
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