MESON Chess Problem Database

Problem Display
PID: 246477 (1bK3Bn/p3pn1p/3pk3/4PRP1/8/3Q1N2/b7/8 w - - 0 1)

Slesarenko, Anatoly Vasilevich

Shakhmatnaya Poeziya, 2001

1bK3Bn/p3pn1p/3pk3/4PRP1/8/3Q1N2/b7/8

#2

7 + 9

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Bd5
      • 2.Sd4#
    • 1...Sg6
      • 2.Bxf7#
    • 1...dxe5
      • 2.Qd7#
    • 1...d5
      • 2.Sd4#
  • Tries
    • 1.Qb5?
      • threat
        • 2.Sd4#
      • 1...dxe5
        • 2.Qd7#
      • 1...Kxf5!
  • Keys
    • 1.exd6!
      • threat
        • 2.Re5#
      • 1...Bxd6
        • 2.Sd4#
      • 1...exd6
        • 2.Qe4#
      • 1...Bd5
        • 2.Qxd5#
      • 1...Sg6
        • 2.Bxf7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • B(a);SBLOCK::S(B)
    • S(i);N_GUARD::B(G),XS(f)
    • P(b);OGATE,XP(C)::QAB1(A)
    • P(b);SBLOCK::S(B)
  • Tries
    • Try
      • Q(A);
      • Threat
        • S(B)
      • Vars
        • P(b);XP(C)::QAB1(A)
      • Refutation
        • K(c);N_SPINS(f),S_FLIGHT,XR(D)
  • Actual
    • P(C);XP(b)
    • Threat
      • R1(D)
    • Vars
      • B(h);SBLOCK,XP(C)::S(B)
      • P(e);SBLOCK,XP(C)::QAR2(A)
      • B(a);N_GUARD::QAB1(A),XB(a)
      • S(i);N_GUARD::B(G),XS(f)
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