MESON Chess Problem Database

Problem Display
PID: 239222 (8/8/8/8/8/6K1/8/RN2kBN1 w - - 0 1)

Kozhakin, Vladimir Vladimirovich

Kudesnik, 2001

8/8/8/8/8/6K1/8/RN2kBN1

#2

5 + 1

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kxf1
      • 2.Sd2#
      • 2.Sa3#
      • 2.Sc3#
  • Tries
    • 1.Kf3?
      • 1...Kxf1
        • 2.Sd2#
        • 2.Sa3#
        • 2.Sc3#
      • 1...Kd1!
    • 1.Se2?
      • 1...Kxf1
        • 2.Sbc3#
      • 1...Kd1!
    • 1.Sh3?
      • 1...Kxf1
        • 2.Sc3#
      • 1...Kd1!
  • Keys
    • 1.Sf3+!
      • 1...Kd1
        • 2.Sa3#
      • 1...Kxf1
        • 2.Sc3#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(E);P-FLIGHT
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(D);
      • Vars
        • K(a);P-FLIGHT,XB(C)::R(A)+S(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(D);
      • Vars
        • K(a);P-FLIGHT,XB(C)::R(A)+S(B)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • S(D);CHECK
    • Vars
      • K(a);P-FLIGHT::R(A)+S(B)
      • K(a);P-FLIGHT,XB(C)::R(A)+S(B)
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