MESON Chess Problem Database

Problem Display
PID: 244169 (1n4K1/3Rp3/4pRPB/3Nkp1b/r2p3r/p2P1p1q/B2N3b/6Q1 w - - 0 1)

Brabec, Juraj

Pravda, 1968

1n4K1/3Rp3/4pRPB/3Nkp1b/r2p3r/p2P1p1q/B2N3b/6Q1

#2

10 + 13

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rc4
      • 2.Sxc4#
    • 1...Ra5
      • 2.Sc4#
    • 1...Ra6
      • 2.Sc4#
    • 1...Ra7
      • 2.Sc4#
    • 1...Ra8
      • 2.Sc4#
    • 1...Bg4
      • 2.Qe1#
    • 1...f4
      • 2.Qe1#
  • Tries
    • 1.Sb4?
      • threat
        • 2.Rxe6#
      • 1...Kxf6
        • 2.Bg7#
      • 1...exf6
        • 2.Sc4#
      • 1...f4
        • 2.Qxd4#
      • 1...Ra6!
  • Keys
    • 1.Sf4!
      • threat
        • 2.Rxe6#
      • 1...Kxf6
        • 2.Bg7#
      • 1...exf6
        • 2.Qe1#
      • 1...Ra6
        • 2.Qxd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 6
  • Sets
    • R(e);N_GUARD::S(C),XR(e)
    • R(e);N_GUARD::S(C)
    • B(j);S_CUTR(g)::QAR(A)
    • P(i);S_CUTR(g)::QAR(A)
  • Tries
    • Try
      • S(E);
      • Threat
        • R1(F),XP(k)
      • Vars
        • K(h);OGATEB,S_FLIGHT,XR(F)::B(H)
        • P(l);SBLOCK,XR(F)::S(C)
        • P(i);S_CUTR(g)::QAB1(A),XP(f)
      • Refutation
        • R(e);
  • Actual
    • S(E);
    • Threat
      • R1(F),XP(k)
    • Vars
      • K(h);OGATEB,S_FLIGHT,XR(F)::B(H)
      • P(l);SBLOCK,XR(F)::QAR(A)
      • R(e);N_GUARD::QAB1(A),XP(f)
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