MESON Chess Problem Database

Problem Display
PID: 15642 (3R3r/1p1n2Q1/1RP5/2kN4/PpN1Pnb1/3Pp3/7B/1K6 w - - 0 1)

Gockel, Hubert

1st Prize, Schach-Aktiv, 1986

3R3r/1p1n2Q1/1RP5/2kN4/PpN1Pnb1/3Pp3/7B/1K6

#2

11 + 8

3297 FIDE Album (1986-1988) 1995

SOLUTION

  • SOUND
  • Sets
    • 1...Se2
      • 2.Bd6#
    • 1...Sg2
      • 2.Bd6#
    • 1...Sh3
      • 2.Bd6#
    • 1...Sxd5
      • 2.Bd6#
    • 1...Sh5
      • 2.Bd6#
    • 1...Se6
      • 2.Bd6#
    • 1...Sg6
      • 2.Bd6#
    • 1...e2
      • 2.Bg1#
  • Tries
    • 1.Sdxe3?
      • threat
        • 2.d4#
      • 1...Sxd3
        • 2.Bd6#
      • 1...Se2
        • 2.Bd6#
      • 1...Se6
        • 2.Bd6#
      • 1...Sxb6!
    • 1.Sxb4?
      • threat
        • 2.Rb5#
      • 1...Sxb6
        • 2.Qe7#
      • 1...bxc6
        • 2.Sa6#
      • 1...Sxd3!
    • 1.Se7?
      • threat
        • 2.Rb5#
      • 1...Sxb6
        • 2.Qd4#
      • 1...bxc6
        • 2.Rxc6#
      • 1...Sxd3!
  • Keys
    • 1.Sa5!
      • threat
        • 2.Sxb7#
      • 1...Kd6
        • 2.Qe7#
      • 1...Sxd3
        • 2.Rb5#
      • 1...Sxd5
        • 2.Rb5#
      • 1...Sxb6
        • 2.d4#
      • 1...bxc6
        • 2.Sb7#
        • 2.Rxc6#
      • 1...Se5
        • 2.Sb3#
      • 1...Sf6
        • 2.Sb3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 5
    • REMOVED MATES = 7
  • Sets
    • S(c);OGATE::B(B)
    • S(c);OGATE,XS(G)::B(B)
    • P(a);OGATEB::B(B)
  • Tries
    • Try
      • S(G);XP(a)
      • Threat
        • P(C)
      • Vars
        • S(c);OGATE,XP(C)::B(B)
        • S(c);OGATE::B(B)
      • Refutation
        • S(g);XR(H)
    • Try
      • S(G);XP(b)
      • Threat
        • R1(H)
      • Vars
        • S(g);XR(H)::QAB(J)
        • P(f);N_GUARD,XP(I)::S(G)
      • Refutation
        • S(c);XP(C)
    • Try
      • S(G);
      • Threat
        • R1(H)
      • Vars
        • S(g);XR(H)::QAB1(J)
        • P(f);OGATE,XP(I)::R1(H),XP(f)
      • Refutation
        • S(c);XP(C)
  • Actual
    • S(E);
    • Threat
      • S(E),XP(f)
    • Vars
      • K(e);P_SPINS(c),S_FLIGHT::QAB1(J)
      • S(c);XP(C)::R1(H)
      • S(c);XS(G)::R1(H)
      • S(g);XR(H)::P(C)
      • S(g);::S(E)
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