MESON Chess Problem Database

Problem Display
PID: 16610 (8/2r2p1n/5rkB/R4Nn1/8/2p2Np1/4bb2/K2B1R1Q w - - 0 1)

Barda, Olaf Martinius (AKA OM Olsen)

1st Prize, Aftenposten, 1942

8/2r2p1n/5rkB/R4Nn1/8/2p2Np1/4bb2/K2B1R1Q

#2

8 + 10

3098 FIDE Album (1914-1944) (I) 1971

SOLUTION

  • SOUND
  • Sets
    • 1...Rc4
      • 2.Se7#
    • 1...Rc5
      • 2.Se7#
    • 1...Rc6
      • 2.Se7#
    • 1...Re7
      • 2.Sxe7#
    • 1...Rc8
      • 2.Se7#
    • 1...Bxf1
      • 2.S3h4#
    • 1...Bd3
      • 2.S3h4#
    • 1...Bc4
      • 2.S3h4#
    • 1...Bb5
      • 2.S3h4#
    • 1...Ba6
      • 2.S3h4#
    • 1...Be1
      • 2.Se5#
    • 1...Bg1
      • 2.Se5#
    • 1...Be3
      • 2.Se5#
    • 1...Bc5
      • 2.Se5#
    • 1...Bb6
      • 2.Se5#
    • 1...Ba7
      • 2.Se5#
  • Keys
    • 1.Bf8!
      • threat
        • 2.Qh6#
      • 1...Rc5
        • 2.Se7#
      • 1...Bb5
        • 2.S3h4#
      • 1...Bc5
        • 2.Se5#
      • 1...Sh3
        • 2.S5h4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 13
  • Sets
    • R(h);N_GUARD::S(G)
    • R(h);N_GUARD::S(G),XR(h)
    • B(a);XR(C)::S(E)
    • B(a);::S(E)
    • B(b);::S(E)
  • Actual
    • B(H);
    • Threat
      • QAR1(D)
    • Vars
      • R(h);N_GUARD::S(G)
      • B(a);::S(E)
      • B(b);::S(E)
      • S(e);::S(G)
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