MESON Chess Problem Database

Problem Display
PID: 213675 (8/1p2N3/2pNKpp1/3p4/1PBk1p2/2p3P1/3p1P1Q/8 w - - 0 1)

Rothwell, Stephen

Badische Neueste Nachrichten, 1997

8/1p2N3/2pNKpp1/3p4/1PBk1p2/2p3P1/3p1P1Q/8

#2

8 + 9

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...fxg3
      • 2.Qh4#
    • 1...f3
      • 2.Qh4#
    • 1...f5
      • 2.Qh8#
    • 1...g5
      • 2.Sef5#
    • 1...b5
      • 2.Sxc6#
    • 1...b6
      • 2.Sxc6#
  • Tries
    • 1.Qh4?
      • threat
        • 2.Qxf6#
        • 2.Qxf4#
      • 1...c2
        • 2.Qxf6#
      • 1...f5
        • 2.Qf6#
        • 2.Qxf4#
        • 2.Qh8#
      • 1...g5
        • 2.Sef5#
      • 1...dxc4!
  • Keys
    • 1.Qh1!
      • 1...fxg3
        • 2.Qh4#
      • 1...dxc4
        • 2.Qe4#
      • 1...c2
        • 2.Qa1#
      • 1...d1Q
        • 2.Qxd1#
      • 1...d1S
        • 2.Qxd1#
      • 1...d1B
        • 2.Qxd1#
      • 1...d1R
        • 2.Qxd1#
      • 1...f3
        • 2.Qh4#
      • 1...c5
        • 2.Qxd5#
      • 1...f5
        • 2.Qh8#
      • 1...g5
        • 2.Sef5#
      • 1...b5
        • 2.Sxc6#
      • 1...b6
        • 2.Sxc6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • P(d);OGATEB,XP(C)::QAR(B)
    • P(d);OGATEB::QAR(B)
    • P(g);OGATEB::QAB(B)
    • P(h);N_GUARD::S(H)
    • P(i);N_GUARD::S(H),XP(f)
  • Tries
    • Try
      • Q(B);P_PINP(d)
      • Threat
        • DUALS(2)
      • Vars
        • P(b);::QAB(B),XP(g)
        • P(h);N_GUARD::S(H)
      • Refutation
        • P(e);XB(E)
  • Actual
    • Q(B);
    • Vars
      • P(d);OGATEB,XP(C)::QAR(B)
      • P(e);N_GUARD,XB(E)::QAR1(B)
      • P(b);OGATEB::QAB(B)
      • P(a);OGATEB::QAR(B),XQ(a)
      • P(a);OGATEB::QAR(B),XS(a)
      • P(a);OGATEB::QAR(B),XB(a)
      • P(a);OGATEB::QAR(B),XR(a)
      • P(d);OGATEB::QAR(B)
      • P(f);N_GUARD::QAR1(B),XP(e)
      • P(g);OGATEB::QAB(B)
      • P(h);N_GUARD::S(H)
      • P(i);N_GUARD::S(H),XP(f)
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