MESON Chess Problem Database

Problem Display
PID: 187709 (2r5/3p3n/5p1K/1pPQ4/3N1NR1/pPkp4/1p1b4/1q2B3 w - - 0 1)

Bobrov, Pavel Pavlovich

Chess Weekly, 1909

2r5/3p3n/5p1K/1pPQ4/3N1NR1/pPkp4/1p1b4/1q2B3

#2

8 + 11

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Kb4
      • 2.Bxd2#
    • 1...Rxc5
      • 2.Qxc5#
    • 1...b4
      • 2.Qc4#
  • Keys
    • 1.Qg5!
      • threat
        • 2.Sd5#
      • 1...Kb4
        • 2.Bxd2#
      • 1...Kxd4
        • 2.Se2#
      • 1...Rxc5
        • 2.Qxc5#
      • 1...d5
        • 2.Sxd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • K(e);S_FLIGHT::B(A),XB(c)
    • R(k);OGATE,XP(F)::QAR2(G),XR(k)
    • P(g);N_GUARD::QAR1(G)
  • Actual
    • Q(G);N_SPINS(D)
    • Threat
      • S(D)
    • Vars
      • K(e);S_FLIGHT::B(A),XB(c)
      • K(e);N_SPINB(c),S_FLIGHT,XS(C)::R(E)+S(D),DCHECK
      • R(k);OGATE,XP(F)::QAR2(G),XR(k)
      • P(i);::S(D),XP(i)
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