MESON Chess Problem Database

Problem Display
PID: 73394 (1BB2N1K/Q1rR1P2/qPPP2p1/4k3/N3PR2/4P3/8/b1n5 w - - 0 1)

Zuvic, Predrag

2nd Comm., Problem Online, 2004-2005

1BB2N1K/Q1rR1P2/qPPP2p1/4k3/N3PR2/4P3/8/b1n5

#2

14 + 6

15148 Sadier Collection 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Qb7
      • 2.Qa5#
    • 1...Qxc8
      • 2.Qa5#
    • 1...Qa5
      • 2.Qxa5#
    • 1...Rxc6
      • 2.Re7#
    • 1...Rxc8
      • 2.Re7#
  • Tries
    • 1.Bxc7?
      • threat
        • 2.Re7#
      • 1...Qxc8
        • 2.Qa5#
      • 1...Qc4!
    • 1.Re7+?
      • 1...Rxe7
        • 2.Sxg6#
        • 2.Qxe7#
        • 2.dxe7#
        • 2.d7#
      • 1...Kxd6+!
    • 1.Rd8?
      • threat
        • 2.Sxg6#
      • 1...Qxc8
        • 2.Qa5#
      • 1...Rxc8
        • 2.Qe7#
      • 1...g5
        • 2.Sg6#
      • 1...Rd7!
  • Keys
    • 1.Sc5!
      • threat
        • 2.Sxg6#
      • 1...Qxc8
        • 2.Qxa1#
      • 1...Rxc8
        • 2.Re7#
      • 1...g5
        • 2.Sg6#
        • 2.Rf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 3
  • Sets
    • Q(d);OGATE::QAR(H)
    • Q(d);OGATE,P_PINS(M),XB(L)::QAR(H)
    • Q(d);OGATE::QAR(H),XQ(d)
    • R(f);N_GUARD,XP(F)::R(I)
    • R(f);N_GUARD,P_PINS(M),XB(L)::R(I)
  • Tries
    • Try
      • B(K);XR(f)
      • Threat
        • R(I)
      • Vars
        • Q(d);OGATE,P_PINS(M),XB(L)::QAR(H)
      • Refutation
        • Q(d);
    • Try
      • R(I);CHECK
      • Refutation
        • K(c);CHECK,P_SPINR(f),S_FLIGHT,XP(G)
    • Try
      • R(I);
      • Threat
        • S(M),XP(e)
      • Vars
        • Q(d);OGATE,XB(L)::QAR(H)
        • R(f);OGATE,XB(L)::QAR2(H)
        • P(e);::S(M)
      • Refutation
        • R(f);
  • Actual
    • S(B);
    • Threat
      • S(M),XP(e)
    • Vars
      • Q(d);OGATE,P_PINS(M),XB(L)::QAB(H),XB(a)
      • R(f);N_GUARD,P_PINS(M),XB(L)::R(I)
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