MESON Chess Problem Database

Problem Display
PID: 74912 (2R5/3p3q/6B1/2p2prp/b1kn3R/K1Nnp3/1P1p3B/1N3Qb1 w - - 0 1)

Golha, Jan

1st HM., Podtatranske noviny, 1980

2R5/3p3q/6B1/2p2prp/b1kn3R/K1Nnp3/1P1p3B/1N3Qb1

#2

9 + 13

6424 Czech Album (1979-1981) 1986
230 Sachove umeni (Ceskoslovensky sach) 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Bb5
      • 2.b3#
    • 1...Bc6
      • 2.b3#
    • 1...e2
      • 2.Sxd2#
    • 1...f4
      • 2.Qxd3#
  • Tries
    • 1.Be5?
      • threat
        • 2.Rxd4#
      • 1...Bc6
        • 2.b3#
      • 1...e2
        • 2.Sxd2#
      • 1...f4
        • 2.Qxd3#
      • 1...Rg4!
    • 1.Bf7+?
      • 1...d5
        • 2.Bxd5#
      • 1...Qxf7!
  • Keys
    • 1.Bd6!
      • threat
        • 2.Rxc5#
      • 1...Bc6
        • 2.b3#
      • 1...e2
        • 2.Sxd2#
      • 1...f4
        • 2.Qxd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • B(e);N_GUARD::P(C)
    • B(e);N_GUARD,N_SPINP(h)::P(C)
    • P(d);N_GUARD,N_SPINS(c),P_SPINS(g)::S(A),XP(b)
    • P(i);::QAB1(B),XS(c)
  • Tries
    • Try
      • B(D);
      • Threat
        • R1(G),XS(g)
      • Vars
        • B(e);N_GUARD,N_SPINP(h)::P(C)
        • P(d);N_GUARD,N_SPINS(c),P_SPINS(g)::S(A),XP(b)
        • P(i);::QAB1(B),XS(c)
      • Refutation
        • R(j);
    • Try
      • B(H);CHECK
      • Vars
        • P(l);::B(H),XP(l)
      • Refutation
        • Q(m);XB(H)
  • Actual
    • B(D);
    • Threat
      • R1(I),XP(h)
    • Vars
      • B(e);N_GUARD,N_SPINP(h)::P(C)
      • P(d);N_GUARD,N_SPINS(c),P_SPINS(g)::S(A),XP(b)
      • P(i);::QAB1(B),XS(c)
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