MESON Chess Problem Database

Problem Display
PID: 39405 (2Nb3B/3B2R1/5p2/RP1pkr2/4r3/2P1PPPN/2K1n3/4Q3 w - - 0 1)

Mirkailo, Dragoljub

Umenie 64, 2001

2Nb3B/3B2R1/5p2/RP1pkr2/4r3/2P1PPPN/2K1n3/4Q3

#2

13 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Rd4
      • 2.exd4#
    • 1...Rg5
      • 2.Rxg5#
    • 1...Bxa5
      • 2.Re7#
    • 1...Bb6
      • 2.Re7#
    • 1...Bc7
      • 2.Re7#
    • 1...Be7
      • 2.Rxe7#
    • 1...Sd4+
      • 2.exd4#
    • 1...d4
      • 2.b6#
  • Tries
    • 1.Sf2?
      • threat
        • 2.Sd3#
      • 1...Sd4+
        • 2.exd4#
      • 1...Rxe3
        • 2.Sg4#
      • 1...d4
        • 2.b6#
      • 1...Rd4
        • 2.exd4#
      • 1...Sf4
        • 2.Sg4#
      • 1...Sc1!
  • Keys
    • 1.Sg5!
      • threat
        • 2.Sf7#
      • 1...Sd4+
        • 2.exd4#
      • 1...Rxg5
        • 2.Rxg5#
      • 1...fxg5
        • 2.Re7#
      • 1...d4
        • 2.b6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 5
  • Sets
    • R(b);OGATE::P(D),XR(b)
    • R(e);OGATEB::R(K),XR(e)
    • B(g);N_GUARD,XR(H)::R(K)
    • B(g);N_GUARD::R(K)
    • B(g);N_GUARD::R(K),XB(g)
    • S(a);CHECK,OGATE::P(D),XS(a)
    • P(c);::R(H)+P(I)
  • Tries
    • Try
      • S(G);
      • Threat
        • S(G)
      • Vars
        • S(a);CHECK,OGATE::P(D),XS(a)
        • R(b);N_GUARD,XP(D)::S(G)
        • P(c);::R(H)+P(I)
        • R(b);OGATE::P(D),XR(b)
        • S(a);S_CUTR(b)::S(G)
      • Refutation
        • S(a);
  • Actual
    • S(G);
    • Threat
      • S(G)
    • Vars
      • S(a);CHECK,OGATE::P(D),XS(a)
      • R(e);OGATE,XS(G)::R(K),XR(e)
      • P(f);XS(G)::B(M)+R(K),DCHECK
      • P(c);::R(H)+P(I)
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