MESON Chess Problem Database

Problem Display
PID: 17154 (r3k3/pB1pp1K1/N3r1p1/3Qp3/8/8/8/8 w q - 0 1)

Dawson, Thomas Rayner

Chemnitzer Wochenschach (Allgemeine Zeitung Chemnitz), 1925

r3k3/pB1pp1K1/N3r1p1/3Qp3/8/8/8/8

#2

4 + 8

3310 2345 Chess Problems 1997

SOLUTION

  • SOUND
  • Sets
    • 1...Rxa6
      • 2.Qg8#
    • 1...Rb6
      • 2.Qg8#
    • 1...Rc6
      • 2.Qg8#
    • 1...Rd6
      • 2.Qg8#
    • 1...Rd8
      • 2.Sc7#
  • Keys
    • 1.Bc6!
      • threat
        • 2.Qxd7#
      • 1...Kd8
        • 2.Qxd7#
      • 1...0-0-0
        • 2.Bb7#
      • 1...Rxc6
        • 2.Qg8#
      • 1...dxc6
        • 2.Sc7#
      • 1...Rd6
        • 2.Qg8#
      • 1...Rd8
        • 2.Sc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • R(b);OGATE,XS(B)::QAR2(A)
    • R(b);OGATE::QAR2(A)
    • R(g);SBLOCK::S(B)
  • Actual
    • B(C);P_PINP(e)
    • Threat
      • QAB1(A),XP(e)
    • Vars
      • K(h);P-FLIGHT::QAR1(A),XP(e)
      • K(h);0-0-0,N_SPINP(e),OGATEB::B(C)
      • R(b);N_SPINP(e),OGATE,XB(C)::QAR2(A)
      • P(e);N_SPINP(e),XB(C)::S(B)
      • R(b);OGATE::QAR2(A)
      • R(g);SBLOCK::S(B)
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