MESON Chess Problem Database

Problem Display
PID: 198221 (8/4p3/8/3kb3/1P3B2/3P1K2/2Q1N3/8 w - - 0 1)

Rey Ardid, Ramon

El Ajedrez, 1920

8/4p3/8/3kb3/1P3B2/3P1K2/2Q1N3/8

#2

6 + 3

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Ba1
      • 2.Qc4#
    • 1...Bb2
      • 2.Qc4#
    • 1...Bd4
      • 2.Qc4#
    • 1...Bd6
      • 2.Qc4#
    • 1...Bf6
      • 2.Qc4#
    • 1...Bc7
      • 2.Qc4#
    • 1...Bg7
      • 2.Qc4#
    • 1...Bb8
      • 2.Qc4#
    • 1...Bh8
      • 2.Qc4#
    • 1...e6
      • 2.Qc5#
  • Keys
    • 1.Sd4!
      • threat
        • 2.Qc5#
      • 1...Kxd4
        • 2.Qc4#
      • 1...Kd6
        • 2.Qc6#
      • 1...Bxd4
        • 2.Qc4#
      • 1...Bd6
        • 2.Qc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 8
  • Sets
    • B(b);::QAB1(A)
    • P(c);SBLOCK::QAR1(A)
  • Actual
    • S(B);
    • Threat
      • QAR1(A)
    • Vars
      • K(a);P-FLIGHT,XS(B)::QAR1(A)
      • K(a);P-FLIGHT,P_SPINB(b)::QAR1(A)
      • B(b);XS(B)::QAB1(A)
      • B(b);::QAB1(A)
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