MESON Chess Problem Database

Problem Display
PID: 239583 (6r1/4bQ2/2B1NP2/4krBR/8/qp2Pb2/3R1Nn1/3n2K1 w - - 0 1)

Maleika, Gerhard

Die Schwalbe, 2002

6r1/4bQ2/2B1NP2/4krBR/8/qp2Pb2/3R1Nn1/3n2K1

#2

10 + 9

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rf4
      • 2.Bxf4#
    • 1...Rxf6
      • 2.Bf4#
      • 2.Bxf6#
    • 1...Be2
      • 2.Rd5#
    • 1...Be4
      • 2.Sg4#
    • 1...Bg4
      • 2.Sxg4#
      • 2.Rd5#
    • 1...Bd5
      • 2.Rxd5#
    • 1...Bxh5
      • 2.Rd5#
    • 1...Bd6
      • 2.Sd3#
    • 1...Bxf6
      • 2.Bxf6#
  • Keys
    • 1.Sd4!
      • threat
        • 2.Qe6#
      • 1...Kd6
        • 2.Qxe7#
      • 1...Rxf6
        • 2.Bf4#
      • 1...Qd6
        • 2.Sd3#
      • 1...Bd5
        • 2.Qxd5#
      • 1...Sf4
        • 2.Sxf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 4
    • REMOVED MATES = 6
  • Sets
    • R(g);::R(F)+B(E),DCHECK,XR(g)
    • B(e);N_GUARD::R1(B)
    • B(e);N_GUARD::S(C)
    • B(e);N_GUARD::R1(B),XB(e)
    • B(e);N_GUARD,XR(F)::R1(B)
    • B(h);SBLOCK::S(C)
    • B(h);OGATE,XP(I)::B(E),XB(h)
  • Actual
    • S(H);
    • Threat
      • QAR1(J)
    • Vars
      • K(f);S_FLIGHT::QAB1(J),XB(h)
      • R(g);XP(I)::R(F)+B(E),DCHECK
      • Q(c);SBLOCK::S(C)
      • B(e);N_GUARD::QAR1(J),XB(e)
      • S(b);P_PINB(E),S_CUTR(g)::S(H),XB(e)
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