MESON Chess Problem Database

Problem Display
PID: 239229 (4R3/5N2/2p5/3k4/8/8/2Q5/6K1 w - - 0 1)

Kozhakin, Vladimir Vladimirovich

L'Italia Scacchistica, 2004

4R3/5N2/2p5/3k4/8/8/2Q5/6K1

#2

4 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...c5
      • 2.Qe4#
  • Tries
    • 1.Kf1?
      • 1...c5
        • 2.Qe4#
      • 1...Kd4!
    • 1.Kh1?
      • 1...c5
        • 2.Qe4#
      • 1...Kd4!
    • 1.Kg2?
      • 1...c5
        • 2.Qe4#
      • 1...Kd4!
    • 1.Kh2?
      • 1...c5
        • 2.Qe4#
      • 1...Kd4!
    • 1.Se5?
      • 1...Kd6
        • 2.Qxc6#
      • 1...c5
        • 2.Qd3#
      • 1...Kd4!
    • 1.Sd8?
      • 1...Kd6
        • 2.Qxc6#
      • 1...c5
        • 2.Qd3#
      • 1...Kd4!
    • 1.Re1?
      • 1...c5
        • 2.Qe4#
      • 1...Kd4!
    • 1.Re2?
      • 1...c5
        • 2.Qe4#
      • 1...Kd4!
    • 1.Re3?
      • 1...c5
        • 2.Qe4#
      • 1...Kd4!
    • 1.Re7?
      • 1...c5
        • 2.Qe4#
      • 1...Kd4!
  • Keys
    • 1.Kf2!
      • 1...Kd4
        • 2.Rd8#
      • 1...c5
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • P(b);SBLOCK::QAB1(B)
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Vars
        • P(b);SBLOCK::QAB1(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • K(A);P-FLIGHT
      • Vars
        • P(b);SBLOCK::QAB1(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • K(A);P-FLIGHT
      • Vars
        • P(b);SBLOCK::QAB1(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • K(A);S_FLIGHT
      • Vars
        • P(b);SBLOCK::QAB1(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(C);
      • Vars
        • K(a);P-FLIGHT::QAR1(B),XP(b)
        • P(b);SBLOCK::QAR2(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(C);
      • Vars
        • K(a);P-FLIGHT::QAR1(B),XP(b)
        • P(b);SBLOCK::QAR2(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(D);
      • Vars
        • P(b);SBLOCK::QAB1(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(D);
      • Vars
        • P(b);SBLOCK::QAB1(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(D);
      • Vars
        • P(b);SBLOCK::QAB1(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(D);
      • Vars
        • P(b);SBLOCK::QAB1(B)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • K(A);S_FLIGHT
    • Vars
      • K(a);P-FLIGHT::R(D)
      • P(b);SBLOCK::QAB1(B)
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