MESON Chess Problem Database

Problem Display
PID: 97545 (3b4/8/2R1n3/1npP4/PpkPBpP1/1N3Pr1/PP3P1Q/2KR4 w - - 0 1)

Brogi, Giuseppe

Problemas, 1968

3b4/8/2R1n3/1npP4/PpkPBpP1/1N3Pr1/PP3P1Q/2KR4

#2

14 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bh4
      • 2.Sa5#
    • 1...Ba5
      • 2.Sxa5#
    • 1...Bg5
      • 2.Sa5#
    • 1...Bf6
      • 2.Sa5#
    • 1...Be7
      • 2.Sa5#
    • 1...Sbxd4
      • 2.Sd2#
    • 1...Sbc7
      • 2.Sa5#
    • 1...Sexd4
      • 2.Sd2#
      • 2.Rxc5#
    • 1...Sg5
      • 2.Rxc5#
    • 1...Sec7
      • 2.Sa5#
      • 2.Rxc5#
    • 1...Sg7
      • 2.Rxc5#
    • 1...Sf8
      • 2.Rxc5#
  • Tries
    • 1.Qh5?
      • threat
        • 2.Bd3#
      • 1...Bg5
        • 2.Sa5#
      • 1...Sg5
        • 2.Rxc5#
      • 1...Rxf3!
    • 1.fxg3?
      • threat
        • 2.Qe2#
      • 1...Sbxd4
        • 2.Sd2#
      • 1...Sexd4
        • 2.Sd2#
        • 2.Rxc5#
      • 1...Sc3!
    • 1.dxe6?
      • threat
        • 2.Rxc5#
      • 1...Be7
        • 2.Sa5#
      • 1...Bb6!
  • Keys
    • 1.Qh8!
      • threat
        • 2.Sd2#
      • 1...Bf6
        • 2.Sa5#
      • 1...Sg7
        • 2.Rxc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 8
  • Sets
    • B(h);N_GUARD::S(G)
    • B(h);N_GUARD::S(G),XB(h)
    • S(e);SBLOCK,XP(J)::S(G)
    • S(e);S_CUTB(h)::S(G)
    • S(g);N_GUARD::R1(N),XP(f)
  • Tries
    • Try
      • Q(F);
      • Threat
        • B(K)
      • Vars
        • B(h);N_GUARD::S(G)
        • S(g);N_GUARD::R1(N),XP(f)
      • Refutation
        • R(a);XP(H)
    • Try
      • P(E);XR(a)
      • Threat
        • QAB(F)
      • Vars
        • S(e);SBLOCK,XP(J)::S(G)
      • Refutation
        • S(e);
    • Try
      • P(M);XS(g)
      • Threat
        • R1(N),XP(f)
      • Vars
        • B(h);N_GUARD::S(G)
      • Refutation
        • B(h);
  • Actual
    • Q(F);
    • Threat
      • S(G)
    • Vars
      • B(h);N_GUARD::S(G)
      • S(g);N_GUARD::R1(N),XP(f)
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