MESON Chess Problem Database

Problem Display
PID: 218756 (4Nrbb/2pp1kq1/pp5P/3N1K1p/2QRP3/1p4BP/1P1P2P1/8 w - - 0 1)

Rosenfeld, ?

Deutsche Schachzeitung, 1923

4Nrbb/2pp1kq1/pp5P/3N1K1p/2QRP3/1p4BP/1P1P2P1/8

#2

12 + 11

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...c5
      • 2.Sd6#
    • 1...c6
      • 2.Sd6#
  • Keys
    • 1.Sdf6+!
      • 1...Ke7
        • 2.Rxd7#
      • 1...d5
        • 2.Qxc7#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • P(e);N_GUARD::S(L)
  • Actual
    • S(I);CHECK
    • Vars
      • K(g);P-FLIGHT,P_PINS(I)::R1(G),XP(f)
      • P(f);OGATEB,P_SPINP(f)::QAR(F),XP(e)
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