MESON Chess Problem Database

Problem Display
PID: 99888 (3N3n/5p2/3p1Qp1/1p1knpR1/1P3RP1/8/2P5/K7 w - - 0 1)

Moutecidis, Pavlos

Siotis, Nikos

Budapesti Sakkszovetseg, 1986

3N3n/5p2/3p1Qp1/1p1knpR1/1P3RP1/8/2P5/K7

#2

8 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sd3
      • 2.Rd4#
      • 2.Qd4#
    • 1...Sc4
      • 2.Rd4#
      • 2.Qd4#
    • 1...Sxg4
      • 2.Rd4#
      • 2.Qd4#
    • 1...Sd7
      • 2.Rd4#
      • 2.Qd4#
  • Tries
    • 1.Rxg6?
      • threat
        • 2.Qxd6#
      • 1...Sexg6
        • 2.Rd4#
        • 2.Qd4#
      • 1...fxg6
        • 2.Qe6#
      • 1...Sc4
        • 2.Rd4#
        • 2.Qd4#
      • 1...Shxg6!
    • 1.c4+?
      • 1...Sxc4
        • 2.Rd4#
        • 2.Qd4#
      • 1...bxc4!
  • Keys
    • 1.Qe7!
      • 1...Sxg4
        • 2.Qe4#
      • 1...fxg4
        • 2.Qb7#
      • 1...Sf3
        • 2.Qe4#
      • 1...Sd3
        • 2.Qe4#
      • 1...Sc4
        • 2.Qe4#
      • 1...Sc6
        • 2.Qe4#
      • 1...Sd7
        • 2.Qe4#
      • 1...f6
        • 2.Qe6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(F);XP(f)
      • Threat
        • QAR1(G),XP(e)
      • Vars
        • P(g);N_GUARD,XR(F)::QAB1(G)
      • Refutation
        • S(h);XR(F)
    • Try
      • P(B);CHECK
      • Refutation
        • P(a);XP(B)
  • Actual
    • Q(G);
    • Vars
      • S(c);OGATE,P_SPINP(d),XP(E)::QAB1(G)
      • P(d);P_SPINS(c),XP(E)::QAB(G)
      • S(c);OGATE,P_SPINP(d)::QAB1(G)
      • P(g);N_GUARD::QAB1(G)
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