MESON Chess Problem Database

Problem Display
PID: 207911 (8/4B3/1Np2p2/P4P2/P1Nk4/R1b5/n1Qp2P1/3K4 w - - 0 1)

Fruhholz, E

Deutsche Schachblatter, 1941

8/4B3/1Np2p2/P4P2/P1Nk4/R1b5/n1Qp2P1/3K4

#2

10 + 6

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Ba1
      • 2.Qd3#
    • 1...Bb2
      • 2.Qd3#
    • 1...Bb4
      • 2.Qd3#
    • 1...Bxa5
      • 2.Qd3#
    • 1...c5
      • 2.Bxf6#
  • Tries
    • 1.Sxd2?
      • threat
        • 2.Qe4#
      • 1...Ke5
        • 2.Qe4#
      • 1...Bxd2
        • 2.Bxf6#
      • 1...Ke3!
  • Keys
    • 1.Sd6!
      • 1...Ke3
        • 2.Qxd2#
      • 1...Kc5
        • 2.Sb5#
      • 1...Ke5
        • 2.Qe4#
      • 1...Bxa5
        • 2.Bxf6#
      • 1...Ba1
        • 2.Bxf6#
      • 1...Bb2
        • 2.Bxf6#
      • 1...Bb4
        • 2.Bxf6#
      • 1...Sc1
        • 2.Qxc3#
      • 1...Sb4
        • 2.Qxc3#
      • 1...c5
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 5
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • B(c);::QAR1(B)
    • B(c);XP(G)::QAR1(B)
    • P(e);SBLOCK::B(J),XP(f)
  • Tries
    • Try
      • S(F);XP(b)
      • Threat
        • QAR1(B)
      • Vars
        • K(d);S_FLIGHT::QAR1(B)
        • B(c);XS(F)::B(J),XP(f)
      • Refutation
        • K(d);P_SPINB(c),S_FLIGHT
  • Actual
    • S(F);
    • Vars
      • K(d);P_SPINB(c),S_FLIGHT::QAB1(B),XP(b)
      • K(d);P_SPINB(c),S_FLIGHT::B(J)+S(F)
      • K(d);S_FLIGHT::QAR1(B)
      • B(c);XP(G)::B(J),XP(f)
      • B(c);::B(J),XP(f)
      • S(a);N_GUARD::QAB1(B),XB(c)
      • P(e);SBLOCK::QAR1(B)
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