MESON Chess Problem Database

Problem Display
PID: 206989 (8/r3kp2/4pN2/q1P3P1/p1n5/8/1P1Q4/K6R w - - 0 1)

Weller, Edwin J

New York Clipper, 1859

8/r3kp2/4pN2/q1P3P1/p1n5/8/1P1Q4/K6R

#2

7 + 7

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Sxb2
      • 2.Qd6#
    • 1...Sa3
      • 2.Qd6#
    • 1...Se3
      • 2.Qd6#
    • 1...Se5
      • 2.Qd6#
    • 1...Sb6
      • 2.Qd6#
    • 1...Sd6
      • 2.Qxd6#
  • Keys
    • 1.Rh8!
      • threat
        • 2.Re8#
      • 1...Qd8
        • 2.Qxd8#
      • 1...Qb5
        • 2.Qd8#
      • 1...Ra8
        • 2.Qd7#
      • 1...Sd6
        • 2.Qxd6#
        • 2.cxd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 6
  • Sets
    • S(b);N_GUARD,XP(C)::QAB1(D)
    • S(b);N_GUARD::QAB1(D)
    • S(b);N_GUARD::QAB1(D),XS(b)
  • Actual
    • R(B);
    • Threat
      • R1(B)
    • Vars
      • Q(c);N_GUARD::QAB1(D),XQ(c)
      • Q(c);N_GUARD::QAB1(D)
      • R(e);N_GUARD::QAR1(D)
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