MESON Chess Problem Database

Problem Display
PID: 163332 (8/8/7Q/4R1K1/2nkb3/3p4/1P6/4B3 w - - 0 1)

Westphal, Hans

Hamburger Nachrichten, 1937

(First published on Mon Feb 15 1937)

8/8/7Q/4R1K1/2nkb3/3p4/1P6/4B3

#2

5 + 4

15601 Albrecht-Leiss-Degener Collection 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Bh1
      • 2.Bc3#
    • 1...Bg2
      • 2.Bc3#
    • 1...Bf3
      • 2.Bc3#
    • 1...Bf5
      • 2.Bc3#
    • 1...Bc6
      • 2.Bc3#
    • 1...Bg6
      • 2.Bc3#
    • 1...Bb7
      • 2.Bc3#
    • 1...Bh7
      • 2.Bc3#
    • 1...Ba8
      • 2.Bc3#
  • Keys
    • 1.Qc6!
      • threat
        • 2.Rxe4#
        • 2.Qxe4#
        • 2.Qc5#
      • 1...Ke3
        • 2.Qxe4#
      • 1...Kxe5
        • 2.Bc3#
      • 1...Bxc6
        • 2.Bc3#
      • 1...Sxe5
        • 2.Bf2#
      • 1...d2
        • 2.Qxe4#
      • 1...Bh1
        • 2.Bc3#
        • 2.Qc5#
      • 1...Bg2
        • 2.Bc3#
        • 2.Qc5#
      • 1...Bf3
        • 2.Bc3#
        • 2.Qc5#
      • 1...Bd5
        • 2.Bc3#
        • 2.Qxd5#
      • 1...Bf5
        • 2.Bc3#
        • 2.Qd5#
        • 2.Qc5#
      • 1...Bg6
        • 2.Bc3#
        • 2.Qd5#
        • 2.Qc5#
      • 1...Bh7
        • 2.Bc3#
        • 2.Qd5#
        • 2.Qc5#
      • 1...Sd2
        • 2.Qc5#
      • 1...Sd6
        • 2.Qc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 8
  • Sets
    • B(d);::B(A)
  • Actual
    • Q(E);
    • Threat
      • DUALS(3)
    • Vars
      • K(c);P_SPINB(d),S_FLIGHT::QAR1(E),XB(d)
      • K(c);S_FLIGHT,XR(C)::B(A)
      • B(d);XQ(E)::B(A)
      • S(b);N_GUARD,SBLOCK,XR(C)::B(A)
      • P(a);::QAR1(E),XB(d)
      • S(b);::QAB1(E)
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