MESON Chess Problem Database

Problem Display
PID: 184005 (4b2K/8/3N1R2/RpnrkpP1/1nQ2pP1/2P2B2/2N5/b7 w - - 0 1)

Burda, Josef

Kudesnik, 2018

4b2K/8/3N1R2/RpnrkpP1/1nQ2pP1/2P2B2/2N5/b7

#2

10 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Rd4
      • 2.Qxd4#
    • 1...Rxd6
      • 2.Rxf5#
    • 1...Bc6
      • 2.Sf7#
    • 1...Bd7
      • 2.Sf7#
    • 1...Bf7
      • 2.Sxf7#
    • 1...Sa2
      • 2.Qxd5#
    • 1...Sxc2
      • 2.Qxd5#
    • 1...Sbd3
      • 2.Qxd5#
    • 1...Sba6
      • 2.Qxd5#
    • 1...Sc6
      • 2.Qxd5#
    • 1...Sb3
      • 2.Qe2#
    • 1...Sa4
      • 2.Qe2#
    • 1...Sca6
      • 2.Qe2#
    • 1...Sb7
      • 2.Qe2#
    • 1...Sd7
      • 2.Qe2#
    • 1...bxc4
      • 2.Sxc4#
    • 1...fxg4
      • 2.Qxf4#
  • Keys
    • 1.Qxb5!
      • threat
        • 2.Sc4#
      • 1...Rxd6
        • 2.Qe2#
      • 1...Bxb5
        • 2.Sf7#
      • 1...Rd4
        • 2.Qxe8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 1
    • REMOVED MATES = 15
  • Sets
    • R(f);N_GUARD::QAB1(D),XR(f)
    • R(f);SBLOCK,XS(H)::R1(I),XP(h)
    • B(i);N_GUARD::S(H)
    • B(i);N_GUARD::S(H),XB(i)
    • S(b);N_GUARD::QAR1(D),XR(f)
    • S(b);N_GUARD,XS(A)::QAR1(D),XR(f)
    • S(e);N_GUARD::QAR(D)
    • P(d);XQ(D)::S(H),XP(d)
    • P(h);XP(E)::QAB1(D),XP(c)
  • Actual
    • Q(D);XP(d)
    • Threat
      • S(H)
    • Vars
      • R(f);P_SPINS(e),XS(H)::QAR(D)
      • B(i);N_GUARD,XQ(D)::S(H)
      • R(f);P_SPINS(e)::QAR(D),XB(i)
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