MESON Chess Problem Database

Problem Display
PID: 47239 (K1R5/p1N1B3/pk6/r3N3/p3p3/2nb4/8/2rq4 w - - 0 1)

Vahlakov, Yuri Nikoleyevich

Shakhmaty v SSSR, 1954

K1R5/p1N1B3/pk6/r3N3/p3p3/2nb4/8/2rq4

#2

5 + 10

4872 Themes-64 1956
5454 Near Snap 2007

SOLUTION

  • SOUND
  • Sets
    • 1...Sb5
      • 2.Sd5#
  • Keys
    • 1.Sb5!
      • threat
        • 2.Rb8#
      • 1...Kxb5
        • 2.Rb8#
      • 1...Rxb5
        • 2.Bd8#
      • 1...Bxb5
        • 2.Bc5#
      • 1...Sxb5
        • 2.Sd7#
      • 1...axb5
        • 2.Rc6#

This anticipates 47027(1956)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • S(c);N_GUARD,SBLOCK,S_CUTR(g)::S(B)
  • Actual
    • S(B);
    • Threat
      • R(E)
    • Vars
      • K(i);P-FLIGHT,XS(B)::R(E)
      • R(g);SBLOCK,XS(B)::B(C)
      • B(d);SBLOCK,XS(B)::B(C)
      • S(c);SBLOCK,XS(B)::S(A)
      • P(h);SBLOCK,XS(B)::R1(E)
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