MESON Chess Problem Database

Problem Display
PID: 250910 (4R3/b4np1/1Nrpq3/pNp2R2/4knB1/1Q6/KB6/7b w - - 0 1)

Vilkauskas, Antanas

Schakend Nederland, 1982

4R3/b4np1/1Nrpq3/pNp2R2/4knB1/1Q6/KB6/7b

#2

8 + 11

15601 Albrecht-Leiss-Degener Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Sc4?
      • threat
        • 2.Sd2#
        • 2.Qe3#
      • 1...Qe5
        • 2.Sd2#
      • 1...Se5
        • 2.Sd2#
      • 1...Sg2
        • 2.Sd2#
        • 2.Qc2#
        • 2.Qf3#
      • 1...Sd5
        • 2.Sd2#
        • 2.Qc2#
      • 1...Sd3!
  • Keys
    • 1.Bc1!
      • threat
        • 2.Qc4#
      • 1...Se2
        • 2.Qd5#
      • 1...Se5
        • 2.Rxf4#
      • 1...c4
        • 2.Qe3#
      • 1...d5
        • 2.Qe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(G);N_SPINQ(C)
      • Threat
        • DUALS(2)
      • Vars
        • Q(h);::S(G)
        • S(j);N_SPINQ(h)::S(G)
      • Refutation
        • S(c);
  • Actual
    • B(B);
    • Threat
      • QAR2(C)
    • Vars
      • S(c);N_GUARD::QAB1(C)
      • S(j);N_SPINQ(h),SBLOCK::R1(F),XS(c)
      • P(e);N_PINQ(C)::QAR1(C)
      • P(g);N_PINQ(C)::QAR1(C)
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