MESON Chess Problem Database

Problem Display
PID: 28915 (1R6/8/1np2N2/2k1Bn2/PpNr3p/1Q2P2K/5b2/8 w - - 0 1)

Maus, Voldemar

Match: Latvia - Sverdlovsk, 1948

1R6/8/1np2N2/2k1Bn2/PpNr3p/1Q2P2K/5b2/8

#2

8 + 8

113 Shakhmaty v SSSR 1949
3105 FIDE Album (1945-1955) 1964

SOLUTION

  • SOUND
  • Sets
    • 1...Rd5
      • 2.Se4#
    • 1...Sg3
      • 2.Bxd4#
    • 1...Sd6
      • 2.Bxd4#
    • 1...Sh6
      • 2.Bxd4#
    • 1...Se7
      • 2.Bxd4#
    • 1...Sg7
      • 2.Bxd4#
    • 1...Sxa4
      • 2.Qxb4#
    • 1...Sxc4
      • 2.Qxb4#
    • 1...Sd5
      • 2.Sd7#
    • 1...Sd7
      • 2.Qxb4#
    • 1...Sa8
      • 2.Qxb4#
    • 1...Sc8
      • 2.Qxb4#
  • Tries
    • 1.Bc7?
      • threat
        • 2.Bxb6#
      • 1...Sxa4
        • 2.Qxb4#
      • 1...Sxc4
        • 2.Qxb4#
      • 1...Sd5
        • 2.Sd7#
      • 1...Sd7
        • 2.Qxb4#
      • 1...Sa8
        • 2.Qxb4#
      • 1...Sc8
        • 2.Qxb4#
      • 1...Rxc4!
    • 1.exd4+?
      • 1...Sxd4
        • 2.Bd6#
      • 1...Bxd4!
  • Keys
    • 1.Sd6!
      • threat
        • 2.Sb7#
      • 1...Rxd6
        • 2.Se4#
      • 1...Sxd6
        • 2.Bxd4#
      • 1...Sxa4
        • 2.Sd7#
      • 1...Sc4
        • 2.Qxb4#
      • 1...Sd5
        • 2.Sd7#
      • 1...Sd7
        • 2.Sxd7#
      • 1...Sa8
        • 2.Sd7#
      • 1...Sc8
        • 2.Sd7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 4
    • ADDED MATES = 1
    • REMOVED MATES = 5
  • Sets
    • R(c);N_GUARD,SBLOCK::S(G)
    • S(f);N_GUARD::B(F),XR(c)
    • S(g);XP(D)::QAB1(A),XP(b)
    • S(g);XS(E)::QAB1(A),XP(b)
    • S(g);N_GUARD,SBLOCK,S_CUTR(c)::S(G)
    • S(g);::QAB1(A),XP(b)
  • Tries
    • Try
      • B(F);
      • Threat
        • B(F),XS(g)
      • Vars
        • S(g);XP(D)::QAB1(A),XP(b)
        • S(g);XS(E)::QAB1(A),XP(b)
        • S(g);N_GUARD,SBLOCK,S_CUTR(c)::S(G)
        • S(g);::QAB1(A),XP(b)
      • Refutation
        • R(c);XS(E)
    • Try
      • P(B);CHECK,XR(c)
      • Vars
        • S(f);SBLOCK,XP(B)::B(F)
      • Refutation
        • B(a);XP(B)
  • Actual
    • S(E);
    • Threat
      • S(E)
    • Vars
      • R(c);N_GUARD,XS(E)::S(G)
      • S(f);N_GUARD,SBLOCK,XS(E)::B(F),XR(c)
      • S(g);N_GUARD,XP(D)::S(G)
      • S(g);S_CUTR(c)::QAB1(A),XP(b)
      • S(g);N_GUARD::S(G)
      • S(g);N_GUARD::S(G),XS(g)
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