MESON Chess Problem Database

Problem Display
PID: 158187 (1BR1Q3/1rr2P1B/5p2/Np1p3N/1P1k4/R7/2p2Kn1/5b2 w - - 0 1)

Bachl, Ernst

Bergen Chess Club, 1952

1BR1Q3/1rr2P1B/5p2/Np1p3N/1P1k4/R7/2p2Kn1/5b2

#2

10 + 9

15148 Sadier Collection 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Rd7
      • 2.Sb3#
    • 1...Re7
      • 2.Sb3#
    • 1...Rxf7
      • 2.Sb3#
    • 1...Bd3
      • 2.Rxd3#
    • 1...Se1
      • 2.Qe3#
    • 1...Se3
      • 2.Qxe3#
    • 1...Sf4
      • 2.Qe3#
    • 1...Sh4
      • 2.Qe3#
  • Tries
    • 1.Sg3?
      • threat
        • 2.Sf5#
      • 1...Re7
        • 2.Sb3#
      • 1...Bd3
        • 2.Rxd3#
      • 1...Se3
        • 2.Qxe3#
      • 1...Sh4
        • 2.Qe3#
      • 1...f5
        • 2.Sxf5#
        • 2.Qh8#
      • 1...Rc3!
  • Keys
    • 1.Sg7!
      • threat
        • 2.Sf5#
      • 1...Rc3
        • 2.Se6#
      • 1...Re7
        • 2.Sb3#
      • 1...Bd3
        • 2.Rxd3#
      • 1...Se3
        • 2.Qxe3#
      • 1...Sh4
        • 2.Qe3#
      • 1...f5
        • 2.Sxf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 4
  • Sets
    • R(i);::S(D)
    • R(i);XP(F)::S(D)
    • B(a);N_GUARD::R1(B),XB(a)
    • S(c);N_GUARD::QAB1(J)
    • S(c);N_GUARD::QAB1(J),XS(c)
  • Tries
    • Try
      • S(E);
      • Threat
        • S(E)
      • Vars
        • R(i);::S(D)
        • B(a);N_GUARD::R1(B),XB(a)
        • S(c);N_GUARD::QAB1(J),XS(c)
        • S(c);N_GUARD::QAB1(J)
      • Refutation
        • R(i);
  • Actual
    • S(E);
    • Threat
      • S(E)
    • Vars
      • R(i);::S(E)
      • R(i);::S(D)
      • B(a);N_GUARD::R1(B),XB(a)
      • S(c);N_GUARD::QAB1(J),XS(c)
      • S(c);N_GUARD::QAB1(J)
      • P(g);::S(E),XP(g)
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