MESON Chess Problem Database

Problem Display
PID: 6833 (Bn1R4/5R1K/8/Qq1N4/4k3/1b1p4/3Pr1Pb/B6N w - - 0 1)

Adabashev, Mark Ivanovich

2nd Place, 64 Shakhmatnoe obozrenie, 1934

Bn1R4/5R1K/8/Qq1N4/4k3/1b1p4/3Pr1Pb/B6N

#2

10 + 7

3147 Chess Problems: Introduction to an Art 1963
3098 FIDE Album (1914-1944) (I) 1971
15148 Sadier Collection 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Qa4
      • 2.Sc3#
    • 1...Qc4
      • 2.Sc3#
    • 1...Qa6
      • 2.Sc3#
    • 1...Qc6
      • 2.Sc3#
    • 1...Qe8
      • 2.Sc3#
    • 1...Qb4
      • 2.Sc3#
    • 1...Qb6
      • 2.Sc3#
    • 1...Qb7
      • 2.Sc3#
    • 1...Re1
      • 2.Sf2#
    • 1...Rf2
      • 2.Sxf2#
    • 1...Re3
      • 2.Sf2#
    • 1...Bg1
      • 2.Sg3#
      • 2.Rf4#
    • 1...Bg3
      • 2.Sxg3#
    • 1...Bf4
      • 2.Rxf4#
    • 1...Be5
      • 2.Sc3#
  • Tries
    • 1.Re7+?
      • 1...Be5
        • 2.Sg3#
        • 2.Rxe5#
      • 1...Kf5!
    • 1.Re8+?
      • 1...Be5
        • 2.Sg3#
        • 2.Rf4#
        • 2.Rxe5#
      • 1...Qxe8!
  • Keys
    • 1.g3!
      • threat
        • 2.Rf4#
      • 1...Bxg3
        • 2.Sxg3#
      • 1...Qd7
        • 2.Sf6#
      • 1...Qb7
        • 2.Sc3#
      • 1...Rf2
        • 2.Sxf2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 11
  • Sets
    • Q(f);::B(I)+S(F),DCHECK
    • Q(f);::S(F)
    • Q(f);P_PINR(G)::S(F)
    • R(a);N_GUARD::S(B)
    • R(a);N_GUARD::S(B),XR(a)
    • B(b);N_GUARD::S(B),XB(b)
    • B(b);N_GUARD::R1(G),XB(b)
    • B(b);SBLOCK::B(I)+S(F),DCHECK
  • Tries
    • Try
      • R(G);CHECK
      • Refutation
        • K(e);S_FLIGHT
    • Try
      • R(J);CHECK
      • Refutation
        • Q(f);XR(J)
  • Actual
    • P(D);
    • Threat
      • R1(G)
    • Vars
      • B(b);XP(D)::S(B),XB(b)
      • Q(f);P_PINR(G)::B(I)+S(F),DCHECK
      • Q(f);P_PINR(G)::S(F)
      • R(a);N_GUARD::S(B),XR(a)
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