MESON Chess Problem Database

Problem Display
PID: 84587 (1N1nn3/2pbp3/3kNp2/1p3Q2/1P3PK1/8/B4bp1/3r2q1 w - - 0 1)

Szwedowski, Leopold Mieczyslaw

Warsovie - Slask, 1959

1N1nn3/2pbp3/3kNp2/1p3Q2/1P3PK1/8/B4bp1/3r2q1

#2

7 + 12

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.Qd5#
    • 1...Rb1
      • 2.Qd5#
    • 1...Rc1
      • 2.Qd5#
    • 1...Re1
      • 2.Qd5#
    • 1...Rf1
      • 2.Qd5#
    • 1...Rd4
      • 2.Qc5#
    • 1...Rd5
      • 2.Qxd5#
    • 1...Bd4
      • 2.Qd5#
  • Keys
    • 1.Sd4!
      • threat
        • 2.Qxd7#
      • 1...Bxf5+
        • 2.Sxf5#
      • 1...e6
        • 2.Qc5#
      • 1...Bc6
        • 2.Qc5#
      • 1...Be6
        • 2.Sxb5#
      • 1...Bc8
        • 2.Sxb5#
      • 1...Se6
        • 2.Qd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 8
  • Sets
    • R(a);N_GUARD::QAR1(E)
    • R(a);P_PINP(C),S_CUTB(c)::QAB1(E)
    • R(a);N_GUARD::QAR1(E),XR(a)
    • B(c);S_CUTR(a)::QAR1(E)
  • Actual
    • S(F);P_SPINQ(E)
    • Threat
      • QAR1(E),XB(i)
    • Vars
      • B(i);CHECK,XQ(E)::S(F),XB(i)
      • P(j);N_PINQ(E)::QAB1(E)
      • B(i);N_PINQ(E)::QAB1(E)
      • B(i);N_GUARD::S(F),XP(e)
      • S(k);N_PINQ(E)::QAR1(E)
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Developed and maintained by Brian Stephenson.
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