MESON Chess Problem Database

Problem Display
PID: 259554 (7b/3Q3B/2K1pB2/2p1q1r1/1P6/8/N2R2p1/k4bR1 w - - 0 1)

Gulyaev, Aleksandr Pavlovich (aka Grin, AP)

Vecherni Moskva, 1946

(First published on Thu Feb 21 1946)

7b/3Q3B/2K1pB2/2p1q1r1/1P6/8/N2R2p1/k4bR1

#2

8 + 8

15239 Valois Notebooks 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Rg7
      • 2.Bxe5#
  • Keys
    • 1.Qa7!
      • threat
        • 2.Sc3#
      • 1...cxb4
        • 2.Sxb4#
      • 1...Qb2
        • 2.Rd1#
      • 1...Qc3
        • 2.Sxc3#
      • 1...Rg7
        • 2.Bxe5#
      • 1...c4
        • 2.Sc1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • R(f);N_GUARD,S_CUTB(h)::B(F),XQ(e)
  • Actual
    • Q(G);
    • Threat
      • QAR(G)+S(B)
    • Vars
      • P(d);XP(D)::QAR(G)+S(B),XP(d)
      • Q(e);::R(C)
      • Q(e);::QAR(G)+S(B),XQ(e)
      • R(f);N_GUARD,S_CUTB(h)::B(F),XQ(e)
      • P(d);::QAR(G)+S(B)
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