MESON Chess Problem Database

Problem Display
PID: 158987 (5R1n/7N/3p2p1/3p2Pb/3Pk2r/2p1P1Pp/2PP3K/3B4 w - - 0 1)

Djurasevic, Branislav

Sahovska Kompozicia, 1981

5R1n/7N/3p2p1/3p2Pb/3Pk2r/2p1P1Pp/2PP3K/3B4

#2

10 + 9

15526 Svi Moji Sahovski Problemi (Djurasevic) 1992

SOLUTION

  • SOUND
  • Sets
    • 1...Rf4
      • 2.Rxf4#
    • 1...Rg4
      • 2.Bf3#
    • 1...Bf3
      • 2.Bxf3#
    • 1...Bg4
      • 2.Rf4#
  • Tries
    • 1.Bg4?
      • threat
        • 2.Sf6#
        • 2.Rf4#
        • 2.Re8#
      • 1...Bxg4
        • 2.Rf4#
      • 1...cxd2
        • 2.Re8#
      • 1...Sf7
        • 2.Sf6#
      • 1...Rxg4!
    • 1.Rf3?
      • threat
        • 2.Sf6#
        • 2.d3#
      • 1...cxd2
        • 2.Sf6#
      • 1...Rf4
        • 2.Rxf4#
      • 1...Bxf3!
  • Keys
    • 1.g4!
      • threat
        • 2.Sf6#
        • 2.Bf3#
        • 2.Rf4#
        • 2.Re8#
      • 1...Rxg4
        • 2.Bf3#
      • 1...Bxg4
        • 2.Rf4#
      • 1...cxd2
        • 2.Re8#
      • 1...Sf7
        • 2.Sf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • R(d);N_GUARD::R1(J),XR(d)
    • R(d);S_CUTB(f)::B(A)
    • B(f);N_GUARD::B(A),XB(f)
    • B(f);S_CUTR(d)::R1(J)
  • Tries
    • Try
      • B(A);
      • Threat
        • DUALS(3)
      • Vars
        • B(f);XB(A)::R1(J)
        • P(a);XP(C)::R(J)
        • S(i);::S(I)
      • Refutation
        • R(d);XB(A)
    • Try
      • R(J);
      • Threat
        • DUALS(2)
      • Vars
        • P(a);XP(C)::S(I)
        • R(d);N_GUARD::R1(J),XR(d)
      • Refutation
        • B(f);XR(J)
  • Actual
    • P(F);
    • Threat
      • DUALS(4)
    • Vars
      • R(d);XP(F)::B(A)
      • B(f);XP(F)::R1(J)
      • P(a);XP(C)::R(J)
      • S(i);::S(I)
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