MESON Chess Problem Database

Problem Display
PID: 200773 (8/4p2B/4p3/Q5p1/5k2/4N3/6K1/8 w - - 0 1)

Sawionok, Aleksandr

Stuttgarter Nachrichten, 2001

(First published on Sat Jun 9 2001)

8/4p2B/4p3/Q5p1/5k2/4N3/6K1/8

#2

4 + 4

16210 Problemschach-Jahrbuch (2001) 2002

SOLUTION

  • SOUND
  • Tries
    • 1.Kf2?
      • 1...g4
        • 2.Sg2#
      • 1...e5!
    • 1.Qf5+?
      • 1...Kxe3
        • 2.Qf2#
      • 1...exf5!
  • Keys
    • 1.Qd2!
      • threat
        • 2.Qd4#
      • 1...Ke5
        • 2.Sg4#
      • 1...g4
        • 2.Sc4#
      • 1...e5
        • 2.Qf2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Vars
        • P(b);SBLOCK::S(B)
      • Refutation
        • P(c);
    • Try
      • Q(C);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT,XS(B)::QAB1(C)
      • Refutation
        • P(c);XQ(C)
  • Actual
    • Q(C);
    • Threat
      • QAR2(C)
    • Vars
      • K(a);S_FLIGHT::S(B)
      • P(b);SBLOCK::QAB(C)+S(B)
      • P(c);SBLOCK::QAR2(C)
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