MESON Chess Problem Database

Problem Display
PID: 213676 (2R5/8/4p3/1p2p3/3kpn2/4N1Q1/8/b2KN3 w - - 0 1)

Rothwell, Stephen

Badische Neueste Nachrichten, 1998

2R5/8/4p3/1p2p3/3kpn2/4N1Q1/8/b2KN3

#2

5 + 7

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Sd3
      • 2.S1c2#
    • 1...Sd5
      • 2.S3c2#
    • 1...b4
      • 2.Rc4#
  • Tries
    • 1.Sf5+?
      • 1...Kd5
        • 2.Qb3#
      • 1...exf5!
  • Keys
    • 1.Qg7!
      • threat
        • 2.Qa7#
      • 1...Kxe3
        • 2.Qg1#
      • 1...Sd3
        • 2.S1c2#
      • 1...Sd5
        • 2.S3c2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • S(d);SBLOCK::S(B)
    • S(d);SBLOCK::S(C)
    • P(e);N_GUARD::R1(E)
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • K(b);P-FLIGHT::QAB(D)
      • Refutation
        • P(g);XS(C)
  • Actual
    • Q(D);P_PINP(f)
    • Threat
      • QAB(D)
    • Vars
      • K(b);N_SPINP(f),OGATEB,S_FLIGHT,XS(C)::QAB(D)
      • S(d);SBLOCK::S(B)
      • S(d);SBLOCK::S(C)
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