MESON Chess Problem Database

Problem Display
PID: 208076 (2R3b1/2N2p2/6q1/1p5r/1BN2P2/3P4/KP1P3p/2kB3R w - - 0 1)

Hoffmann, Hans

Deutsche Schachblatter, 1941

2R3b1/2N2p2/6q1/1p5r/1BN2P2/3P4/KP1P3p/2kB3R

#2

11 + 7

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Qf5
      • 2.Bb3#
      • 2.Ba4#
    • 1...Qh7
      • 2.Bb3#
      • 2.Ba4#
    • 1...Qa6+
      • 2.Ba4#
    • 1...Qd6
      • 2.Bb3#
      • 2.Ba4#
    • 1...Qf6
      • 2.Bb3#
      • 2.Ba4#
    • 1...Qh6
      • 2.Bb3#
      • 2.Ba4#
  • Tries
    • 1.Be2+?
      • 1...Kc2
        • 2.Sa3#
        • 2.Se3#
      • 1...Qg1!
  • Keys
    • 1.Se3!
      • threat
        • 2.Bg4#
      • 1...Qa6+
        • 2.Ba4#
      • 1...Qe6+
        • 2.Bb3#
      • 1...f5+
        • 2.Se6#
      • 1...f6+
        • 2.Scd5#
      • 1...Qxd3
        • 2.Be2#
      • 1...Qe4
        • 2.Bf3#
      • 1...Qg1
        • 2.Scd5#
      • 1...Qg2
        • 2.Scd5#
      • 1...Qg3
        • 2.Scd5#
      • 1...Qg4
        • 2.Bxg4#
      • 1...Qc6
        • 2.Bf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
    • Q(e);CHECK,N_GUARD::R(B)+B(A)
  • Tries
    • Try
      • B(A);CHECK
      • Refutation
        • Q(e);P_SPINQ(e)
  • Actual
    • S(H);
    • Threat
      • R(B)+B(A)
    • Vars
      • Q(e);CHECK,N_GUARD::R(B)+B(A)
      • P(f);CHECK,S_CUTR(d)::R(K)+S(J)
      • P(f);CHECK,S_CUTQ(e)::R(K)+S(J)
      • Q(e);N_GUARD,XP(F)::R(B)+B(A)
      • Q(e);N_GUARD::R(B)+B(A)
      • Q(e);N_GUARD::R(K)+S(J)
      • Q(e);::R(B)+B(A),XQ(e)
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