MESON Chess Problem Database

Problem Display
PID: 174197 (1B1n1RK1/8/2R3Bp/1Ppk3r/1p5b/1q2Pp2/r2P4/5Q1b w - - 0 1)

Buchner, Richard

Dresdner Volkszeitung, 1928

1B1n1RK1/8/2R3Bp/1Ppk3r/1p5b/1q2Pp2/r2P4/5Q1b

#2

9 + 11

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Qd1
      • 2.Qd3#
    • 1...Qa4
      • 2.Qd3#
    • 1...Qd3
      • 2.Qxd3#
    • 1...Re5
      • 2.Rd6#
    • 1...Rg5
      • 2.Rxd8#
    • 1...Be1
      • 2.Rxd8#
    • 1...Bf2
      • 2.Rxd8#
  • Keys
    • 1.d3!
      • threat
        • 2.Be4#
      • 1...Qxd3
        • 2.Qxd3#
      • 1...Sxc6
        • 2.Bf7#
      • 1...Qc4
        • 2.dxc4#
      • 1...Rg2
        • 2.Qxf3#
      • 1...Re5
        • 2.Rd6#
      • 1...Rf5
        • 2.Rxf5#
      • 1...Rg5
        • 2.Rxd8#
      • 1...f2
        • 2.Qxh1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 4
  • Sets
    • Q(c);N_GUARD::QAR2(A)
    • Q(c);N_GUARD::QAR2(A),XQ(c)
    • R(i);SBLOCK::R1(E)
    • R(i);P_PINB(F),S_CUTB(f)::R(H),XS(k)
    • B(f);N_GUARD::R(H),XS(k)
  • Actual
    • P(B);
    • Threat
      • B(F)
    • Vars
      • Q(c);OGATE,XP(B)::QAR2(A),XQ(c)
      • S(k);N_GUARD,XR(E)::B(F)
      • Q(c);OGATE::P(B),XQ(c)
      • R(b);P_PINB(F),S_CUTB(a)::QAB(A),XP(d)
      • R(i);SBLOCK::R1(E)
      • R(i);N_GUARD::R(H),XR(i)
      • R(i);P_PINB(F),S_CUTB(f)::R(H),XS(k)
      • P(d);OGATEB::QAB(A),XB(a)
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