MESON Chess Problem Database

Problem Display
PID: 246337 (4b3/q1b5/4p3/p4p2/1QNp1k1B/5P2/3KP3/5R1B w - - 0 1)

Dikusarov, Andrey Nikolayovich

Shakhmatnaya Poeziya, 2008

4b3/q1b5/4p3/p4p2/1QNp1k1B/5P2/3KP3/5R1B

#2

8 + 8

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Sb2?
      • threat
        • 2.Sd3#
      • 1...Ke5
        • 2.f4#
      • 1...Qa6
        • 2.Qxd4#
      • 1...Bb5!
    • 1.Qd6+?
      • 1...e5
        • 2.Qh6#
      • 1...Bxd6!
  • Keys
    • 1.Se5!
      • threat
        • 2.Sd3#
      • 1...Kxe5
        • 2.f4#
      • 1...Bxe5
        • 2.e3#
      • 1...Qa6
        • 2.Qxd4#
      • 1...Bb5
        • 2.Sg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(G);P_PINP(a)
      • Threat
        • S(G)
      • Vars
        • K(b);N_SPINP(a),OGATE,S_FLIGHT::P(E)
        • Q(f);N_GUARD::QAR2(F),XP(a)
      • Refutation
        • B(h);
    • Try
      • Q(F);CHECK
      • Vars
        • P(e);OGATE,P_SPINP(e)::QAB(F)
      • Refutation
        • B(g);XQ(F)
  • Actual
    • S(G);P_PINP(a)
    • Threat
      • S(G)
    • Vars
      • K(b);N_SPINP(a),OGATE,S_FLIGHT,XS(G)::P(E)
      • B(g);SBLOCK,XS(G)::P(D)
      • Q(f);N_GUARD::QAR2(F),XP(a)
      • B(h);N_GUARD::S(G)
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