MESON Chess Problem Database

Problem Display
PID: 121998 (2B3bq/R1n2N2/1bkN1n1p/r3p3/1Qp1p2K/8/3r1p2/8 w - - 0 1)

Pfeiffer, Mieczyslaw

Karlovac Ty., 1934

2B3bq/R1n2N2/1bkN1n1p/r3p3/1Qp1p2K/8/3r1p2/8

#2

6 + 13

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kd5
      • 2.Qxc4#
    • 1...Rdd5
      • 2.Sd8#
    • 1...Rad5
      • 2.Sd8#
    • 1...Bc5
      • 2.Qb7#
    • 1...Sfd5
      • 2.Sd8#
    • 1...Sd7
      • 2.Bb7#
    • 1...Scd5
      • 2.Sxe5#
  • Keys
    • 1.Sf5!
      • threat
        • 2.Se7#
      • 1...Kd5
        • 2.Qd6#
      • 1...Rd7
        • 2.Bb7#
      • 1...Bc5
        • 2.Qb7#
      • 1...Sfd5
        • 2.Sd8#
      • 1...Scd5
        • 2.Sxe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 3
  • Sets
    • K(h);S_FLIGHT::QAB1(A),XP(c)
    • R(a);SBLOCK::S(E)
    • R(e);SBLOCK::S(E)
    • B(g);OGATE,SBLOCK::QAB1(A)
    • S(i);SBLOCK::S(E)
    • S(i);SBLOCK::B(F)
    • S(k);SBLOCK,S_CUTR(e)::S(E),XP(f)
  • Actual
    • S(C);
    • Threat
      • S(C)
    • Vars
      • K(h);S_FLIGHT::QAR1(A)
      • R(a);SBLOCK::B(F)
      • B(g);OGATE,SBLOCK::QAB1(A)
      • S(i);SBLOCK,S_CUTR(a)::S(E)
      • S(k);SBLOCK,S_CUTR(e)::S(E),XP(f)
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