MESON Chess Problem Database

Problem Display
PID: 6447 (6B1/Br3p2/1r1N3K/R2b3p/2pkpQ2/8/1P1bP3/1n1R3q w - - 0 1)

Loshinski, Lev Ilich

3rd Prize, Shakhmatny Listok, 1929

6B1/Br3p2/1r1N3K/R2b3p/2pkpQ2/8/1P1bP3/1n1R3q

#2

9 + 11

5314 Grossmeister Shakhmatnoi Kompozitsii 1980

SOLUTION

  • SOUND
  • Sets
    • 1...Rd7
      • 2.Bxb6#
    • 1...Re7
      • 2.Bxb6#
    • 1...Bc6
      • 2.Sf5#
    • 1...Sa3
      • 2.Rxd2#
    • 1...Sc3
      • 2.Rxd2#
    • 1...f5
      • 2.Rxd5#
    • 1...f6
      • 2.Sf5#
      • 2.Rxd5#
  • Keys
    • 1.Qg5!
      • threat
        • 2.Rxd5#
      • 1...Bc6
        • 2.Sf5#
      • 1...Be6
        • 2.Sb5#
      • 1...Sc3
        • 2.Rxd2#
      • 1...e3
        • 2.Qf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 4
  • Sets
    • R(j);N_GUARD::B(H),XR(i)
    • B(g);N_PINS(F)::S(F)
    • S(a);N_GUARD::R(A),XB(c)
    • P(k);::R1(E),XB(g)
  • Actual
    • Q(D);N_PINP(f)
    • Threat
      • R1(E),XB(g)
    • Vars
      • B(g);N_PINS(F)::S(F)
      • S(a);N_GUARD::R(A),XB(c)
      • P(f);N_PINQ(D),SBLOCK::QAB(D)
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