MESON Chess Problem Database

Problem Display
PID: 9368 (1Qn3N1/2r3B1/3kP1R1/N1pb4/2p1p3/8/8/1K6 w - - 0 1)

Kvicala, Jan

Sachove listy, 1901

1Qn3N1/2r3B1/3kP1R1/N1pb4/2p1p3/8/8/1K6

#2

7 + 7

3360 Simple Two-move Themes 1924

SOLUTION

  • SOUND
  • Keys
    • 1.Qb2!
      • threat
        • 2.Be5#
        • 2.Qe5#
        • 2.Qh2#
      • 1...Rxg7
        • 2.Qh2#
      • 1...Bxe6
        • 2.Qd2#
      • 1...Rb7
        • 2.Be5#
      • 1...Rf7
        • 2.Be5#
        • 2.Qe5#
      • 1...Bc6
        • 2.Qe5#
      • 1...Bb7
        • 2.Qe5#
      • 1...Ba8
        • 2.Qe5#
      • 1...c3
        • 2.Qh2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(F);N_PINR(f)
    • Threat
      • DUALS(3)
    • Vars
      • R(f);XB(E)::QAB(F)
      • B(d);OGATEB,P_SPINB(d),XP(C)::QAR(F)
      • R(f);P_PINQ(F)::B(E)
      • B(d);::QAB1(F)
      • P(a);::QAB(F)
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