MESON Chess Problem Database

Problem Display
PID: 37143 (2N5/1pR5/1p2p3/1P1kN1P1/1R3P2/K2P3B/2Pp4/4b1q1 w - - 0 1)

Selb, Hans

2/3 Prize, German Ring Ty., 1950

2N5/1pR5/1p2p3/1P1kN1P1/1R3P2/K2P3B/2Pp4/4b1q1

#2

11 + 7

3150 Asthetik und Ornamentik im Schachproblem 2000

SOLUTION

  • SOUND
  • Sets
    • 1...Qc5
      • 2.Bg2#
    • 1...Qg2
      • 2.Bxg2#
  • Tries
    • 1.Sf3?
      • threat
        • 2.c4#
      • 1...Qd4
        • 2.Rxd4#
      • 1...Qc5!
    • 1.Sg6?
      • threat
        • 2.Sge7#
      • 1...Qc5
        • 2.Bg2#
      • 1...Qxg5!
    • 1.Sd7?
      • threat
        • 2.Sf6#
      • 1...Qxg5
        • 2.Sdxb6#
      • 1...Qd4!
    • 1.Rc6?
      • threat
        • 2.Se7#
        • 2.Bxe6#
      • 1...Qxg5
        • 2.Sxb6#
        • 2.Bxe6#
      • 1...Qc5
        • 2.Bg2#
        • 2.Bxe6#
      • 1...Qg4
        • 2.Sxb6#
        • 2.Se7#
      • 1...bxc6!
  • Keys
    • 1.Sf7!
      • threat
        • 2.Se7#
      • 1...Qxg5
        • 2.Sxb6#
      • 1...Qc5
        • 2.Bg2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • Q(b);N_GUARD,P_PINR(E)::B(D)
    • Q(b);N_GUARD::B(D),XQ(b)
  • Tries
    • Try
      • S(H);
      • Threat
        • P(A)
      • Vars
        • Q(b);N_GUARD::R1(E),XQ(b)
      • Refutation
        • Q(b);P_PINR(E)
    • Try
      • S(H);
      • Threat
        • S(H)
      • Vars
        • Q(b);N_GUARD,P_PINR(E)::B(D)
      • Refutation
        • Q(b);XP(I)
    • Try
      • S(H);
      • Threat
        • S(H)
      • Vars
        • Q(b);N_GUARD,XP(I)::S(H),XP(e)
      • Refutation
        • Q(b);
    • Try
      • R(J);
      • Threat
        • DUALS(2)
      • Refutation
        • P(g);XR(J)
  • Actual
    • S(H);
    • Threat
      • S(K)
    • Vars
      • Q(b);N_GUARD,XP(I)::S(K),XP(e)
      • Q(b);N_GUARD,P_PINR(E)::B(D)
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