MESON Chess Problem Database

Problem Display
PID: 48016 (8/3K4/8/8/3Nkp2/8/1Q4R1/8 w - - 0 1)

Simonov, Valentin Anatolovich

Rossiskie vesti, 1993

8/3K4/8/8/3Nkp2/8/1Q4R1/8

#2

4 + 2

4883 Still More Fun with Chess Miniatures 2002
5454 Near Snap 2014

SOLUTION

  • SOUND
  • Tries
    • 1.Sb5?
      • 1...Kd3
        • 2.Qd4#
        • 2.Qe2#
      • 1...Ke3
        • 2.Qe2#
      • 1...Kf3
        • 2.Qe2#
      • 1...Kd5
        • 2.Qd4#
      • 1...Kf5
        • 2.Sd6#
      • 1...f3!
    • 1.Sc6?
      • 1...Kd3
        • 2.Qd4#
      • 1...Ke3
        • 2.Qe2#
      • 1...Kf3
        • 2.Qe2#
      • 1...Kd5
        • 2.Qd4#
      • 1...Kf5
        • 2.Qe5#
      • 1...f3!
  • Keys
    • 1.Sf3!
      • 1...Kd3
        • 2.Qd4#
      • 1...Ke3
        • 2.Qe2#
      • 1...Kxf3
        • 2.Qe2#
      • 1...Kd5
        • 2.Qd4#
      • 1...Kf5
        • 2.Qe5#

Anticipated by 223105(1886), 76322(1927), 225345(1948)

This anticipates 152906(2000), 232205(2002)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);
      • Vars
        • K(a);P-FLIGHT::QAR1(A)
        • K(a);S_FLIGHT::QAB1(A)
        • K(a);S_FLIGHT::QAR1(A)
        • K(a);S_FLIGHT::S(C)
      • Refutation
        • P(b);
    • Try
      • S(C);
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
        • K(a);P-FLIGHT::QAR1(A)
        • K(a);S_FLIGHT::QAB1(A)
      • Refutation
        • P(b);
  • Actual
    • S(C);
    • Vars
      • K(a);S_FLIGHT::QAR1(A)
      • K(a);P-FLIGHT::QAR1(A)
      • K(a);S_FLIGHT,XS(C)::QAB1(A)
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