MESON Chess Problem Database

Problem Display
PID: 245730 (1b3KQB/7B/3p1P2/r1p3N1/1p1k1pN1/1R6/4P3/4nq1b w - - 0 1)

Wirtanen, Erkki Aukusti

Sinfonie Scacchistiche, 1999

1b3KQB/7B/3p1P2/r1p3N1/1p1k1pN1/1R6/4P3/4nq1b

#2

9 + 10

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Sc2
      • 2.Rd3#
    • 1...Sg2
      • 2.Rd3#
    • 1...Sd3
      • 2.Rxd3#
    • 1...Sf3
      • 2.Rd3#
    • 1...f3
      • 2.e3#
  • Keys
    • 1.Bd3!
      • threat
        • 2.Qc4#
      • 1...Sxd3
        • 2.Rxd3#
      • 1...c4
        • 2.Qxc4#
      • 1...Bd5
        • 2.f7#
      • 1...d5
        • 2.Se6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 4
  • Sets
    • S(a);N_GUARD::R1(B)
    • S(a);N_GUARD::R1(B),XS(a)
    • P(f);N_GUARD::P(A)
  • Actual
    • B(F);
    • Threat
      • QAR1(H)
    • Vars
      • S(a);OGATE,XB(F)::R1(B),XS(a)
      • P(h);::QAR1(H),XP(h)
      • B(c);SBLOCK::B(I)+P(E)
      • P(i);SBLOCK::S(D)
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