MESON Chess Problem Database

Problem Display
PID: 271080 (4Nrn1/b7/1BRpp3/1p1k4/B6K/6p1/2Q1Np2/4R3 w - - 0 1)

Mitrinovic, Stevan

Probleemblad, 1951

4Nrn1/b7/1BRpp3/1p1k4/B6K/6p1/2Q1Np2/4R3

#2

8 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Rf4+
      • 2.Sxf4#
    • 1...Rxe8
      • 2.Sf4#
    • 1...Sf6
      • 2.Sf4#
    • 1...e5
      • 2.Sc7#
      • 2.Bb3#
      • 2.Rxd6#
  • Tries
    • 1.Sxd6?
      • threat
        • 2.Qe4#
        • 2.Qc5#
      • 1...Rf4+
        • 2.Sxf4#
      • 1...Bxb6
        • 2.Qe4#
      • 1...Sf6
        • 2.Sf4#
        • 2.Qc5#
      • 1...e5
        • 2.Bb3#
      • 1...Ke5!
    • 1.Qc4+?
      • 1...bxc4
        • 2.Sc3#
      • 1...Ke5!
  • Keys
    • 1.Rc4!
      • threat
        • 2.Qe4#
      • 1...Rf4+
        • 2.Sxf4#
      • 1...Ke5
        • 2.Qe4#
      • 1...bxc4
        • 2.Sc3#
      • 1...Sf6
        • 2.Sf4#
      • 1...e5
        • 2.Sc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • R(h);CHECK,N_GUARD::S(C),XR(h)
    • R(h);N_GUARD,XS(H)::S(C)
    • S(i);S_CUTR(h)::S(C)
  • Tries
    • Try
      • S(H);XP(e)
      • Threat
        • DUALS(2)
      • Vars
        • R(h);CHECK,N_GUARD::S(C),XR(h)
        • B(g);XB(F)::QAB1(B)
        • P(f);SBLOCK::B(D)
      • Refutation
        • K(d);P-FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • P(c);XQ(B)::S(C)
      • Refutation
        • K(d);P-FLIGHT
  • Actual
    • R(G);
    • Threat
      • QAB1(B)
    • Vars
      • R(h);CHECK,N_GUARD::S(C),XR(h)
      • K(d);P-FLIGHT::QAR1(B)
      • P(c);SBLOCK,XR(G)::S(C)
      • S(i);S_CUTR(h)::S(C)
      • P(f);SBLOCK::S(H)
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