MESON Chess Problem Database

Problem Display
PID: 213221 (RQB5/2p1NrN1/5kP1/8/3P2K1/8/8/8 w - - 0 1)

Riczu, Lajos

Land og Folk, 1971

RQB5/2p1NrN1/5kP1/8/3P2K1/8/8/8

#2

8 + 3

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...c5
      • 2.Qe5#
    • 1...c6
      • 2.Qe5#
  • Keys
    • 1.Bf5!
      • 1...Kxe7
        • 2.Qd8#
      • 1...Kxg7
        • 2.Qh8#
      • 1...Rxe7
        • 2.Sh5#
      • 1...Rxg7
        • 2.Sd5#
      • 1...Rf8
        • 2.Qxf8#
      • 1...c5
        • 2.Qe5#
      • 1...c6
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • P(b);OGATE::QAB1(G)
  • Actual
    • B(H);
    • Vars
      • K(a);OGATEB,S_FLIGHT,XS(D)::QAB1(G)
      • K(a);OGATEB,S_FLIGHT,XS(E)::QAB1(G)
      • R(c);SBLOCK,XS(D)::S(E)
      • R(c);P_PINP(C),SBLOCK,XS(E)::S(D)
      • R(c);OGATEB::QAR2(G),XR(c)
      • P(b);OGATE::QAB1(G)
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