MESON Chess Problem Database

Problem Display
PID: 155357 (2B5/b1P3NK/P1R1P1pp/P3p1q1/1PP1kp2/1r1p1N2/3Q2P1/r7 w - - 0 1)

Gockel, Hubert

Schach, 1983

2B5/b1P3NK/P1R1P1pp/P3p1q1/1PP1kp2/1r1p1N2/3Q2P1/r7

#2

13 + 10

15345 Wola Gulowska Award 2005

SOLUTION

  • SOUND
  • Tries
    • 1.Rc5?
      • threat
        • 2.Bb7#
      • 1...Qd8
        • 2.Rxe5#
      • 1...Rxb4!
    • 1.Rb6?
      • threat
        • 2.Bb7#
      • 1...Rxa5
        • 2.Qe1#
      • 1...Qd8!
    • 1.Rd6?
      • threat
        • 2.Bb7#
      • 1...Rxb4
        • 2.Qxd3#
      • 1...Rxa5!
  • Keys
    • 1.Bb7!
      • threat
        • 2.Rc5#
        • 2.Rb6#
        • 2.Rd6#
      • 1...Rxa5
        • 2.Rc5#
      • 1...Rxb4
        • 2.Rb6#
      • 1...Qd8
        • 2.Rd6#
      • 1...Bc5
        • 2.Rxc5#
        • 2.Rb6#
        • 2.Rd6#
      • 1...Bb6
        • 2.Rc5#
        • 2.Rxb6#
        • 2.Rd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(H);
      • Threat
        • B(M)
      • Vars
        • Q(g);N_GUARD::R1(H),XP(f)
      • Refutation
        • R(b);XP(D)
    • Try
      • R(H);
      • Threat
        • B(M)
      • Vars
        • R(a);N_GUARD,XP(F)::QAR(A)
      • Refutation
        • Q(g);
    • Try
      • R(H);
      • Threat
        • B(M)
      • Vars
        • R(b);N_GUARD,XP(D)::QAB1(A),XP(c)
      • Refutation
        • R(a);XP(F)
  • Actual
    • B(M);
    • Threat
      • DUALS(3)
    • Vars
      • R(a);XP(F)::B(M)+R(H)
      • R(b);XP(D)::B(M)+R(H)
      • Q(g);::B(M)+R(H)
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