MESON Chess Problem Database

Problem Display
PID: 109631 (8/2qp1pBb/8/p2Nn3/Q4pp1/2pk1p2/5R2/2K4N w - - 0 1)

Viksna, Kristaps

Riga-750 JT, 1951

8/2qp1pBb/8/p2Nn3/Q4pp1/2pk1p2/5R2/2K4N

#2

6 + 11

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sc4
      • 2.Qc2#
    • 1...Sg6
      • 2.Qd4#
    • 1...c2
      • 2.Rd2#
  • Keys
    • 1.Re2!
      • threat
        • 2.Sxf4#
      • 1...Kxe2
        • 2.Qd1#
      • 1...fxe2
        • 2.Sf2#
      • 1...Qc4
        • 2.Qd1#
      • 1...Sc4
        • 2.Qc2#
      • 1...Sc6
        • 2.Qb5#
      • 1...Sg6
        • 2.Qe4#
      • 1...c2
        • 2.Rd2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • S(g);SBLOCK::QAB1(D)
    • S(g);::QAR1(D)
    • P(a);N_GUARD::R1(C)
  • Actual
    • R(C);
    • Threat
      • S(E),XP(d)
    • Vars
      • K(b);S_FLIGHT,XR(C)::QAB1(D)
      • P(c);SBLOCK,XR(C)::S(B)
      • Q(h);SBLOCK::QAR2(D)
      • S(g);SBLOCK::QAB1(D)
      • S(g);N_GUARD,S_CUTQ(h)::QAB(D)
      • S(g);S_CUTB(k)::QAB1(D)
      • P(a);N_GUARD::R1(C)
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