MESON Chess Problem Database

Problem Display
PID: 23797 (3b3B/2p4N/4B3/3P4/4k1K1/R2NP1P1/2r4p/4R3 w - - 0 1)

Petkov, Petko Andonov

1st Prize, Shakhmatna misl, 1996

3b3B/2p4N/4B3/3P4/4k1K1/R2NP1P1/2r4p/4R3

#2

10 + 5

3840 Petkov Selected Compositions 2000

SOLUTION

  • SOUND
  • Sets
    • 1...Rc1
      • 2.Sf2#
    • 1...Ra2
      • 2.Sc5#
    • 1...Rb2
      • 2.Sc5#
    • 1...Rd2
      • 2.Sc5#
    • 1...Re2
      • 2.Sc5#
    • 1...Rf2
      • 2.Sxf2#
      • 2.Sc5#
    • 1...Rg2
      • 2.Sc5#
    • 1...Rc3
      • 2.Sf2#
    • 1...Rc4
      • 2.Sf2#
    • 1...Rc5
      • 2.Sf2#
      • 2.Sxc5#
    • 1...Rc6
      • 2.Sf2#
    • 1...Bg5
      • 2.Sxg5#
    • 1...Bf6
      • 2.Sxf6#
  • Tries
    • 1.Re2?
      • threat
        • 2.Sf2#
      • 1...Rxe2
        • 2.Sc5#
      • 1...Bf6
        • 2.Sxf6#
      • 1...h1S!
    • 1.Rc3?
      • threat
        • 2.Sc5#
      • 1...Rxc3
        • 2.Sf2#
      • 1...Bf6
        • 2.Sxf6#
      • 1...c5
        • 2.Sxc5#
      • 1...Be7!
    • 1.Ra4+?
      • 1...Rc4
        • 2.Sf2#
        • 2.Sc5#
      • 1...Kxd3!
  • Keys
    • 1.Bf6!
      • threat
        • 2.Sg5#
      • 1...Bxf6
        • 2.Sxf6#
      • 1...Re2
        • 2.Sc5#
      • 1...Rc3
        • 2.Sf2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 8
  • Sets
    • R(a);N_GUARD::S(C)
    • R(a);N_GUARD,P_PINP(E)::S(C)
    • B(e);N_GUARD::S(I),XB(e)
  • Tries
    • Try
      • R(A);
      • Threat
        • S(C)
      • Vars
        • R(a);N_GUARD,XR(A)::S(C)
        • B(e);N_GUARD::S(I),XB(e)
      • Refutation
        • P(b);
    • Try
      • R(B);
      • Threat
        • S(C)
      • Vars
        • R(a);N_GUARD,XR(B)::S(C)
        • B(e);N_GUARD::S(I),XB(e)
        • P(d);::S(C),XP(d)
      • Refutation
        • B(e);
    • Try
      • R(B);CHECK
      • Refutation
        • K(c);S_FLIGHT,XS(C)
  • Actual
    • B(J);
    • Threat
      • S(I)
    • Vars
      • B(e);XB(J)::S(I),XB(e)
      • R(a);N_GUARD::S(C)
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