MESON Chess Problem Database

Problem Display
PID: 135707 (3R4/4p1K1/3B4/2Pp2Q1/RN1kp3/Npr2p2/P1b5/3r2b1 w - - 0 1)

Miljanic, Mirko

The Problemist, 2010

3R4/4p1K1/3B4/2Pp2Q1/RN1kp3/Npr2p2/P1b5/3r2b1

#2

9 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Rdd3
      • 2.Sbxc2#
      • 2.Sc6#
    • 1...Rcd3
      • 2.Sxd5#
    • 1...Re3
      • 2.Qe5#
    • 1...Rc4
      • 2.Sb5#
    • 1...Rxc5
      • 2.Be5#
    • 1...Be3
      • 2.Qxd5#
      • 2.Qe5#
    • 1...Bd3
      • 2.Sbc2#
      • 2.Sc6#
    • 1...e3
      • 2.Qxd5#
      • 2.Qe5#
  • Tries
    • 1.Qd2+?
      • 1...Rd3
        • 2.Sbxc2#
        • 2.Sxd3#
        • 2.Sa6#
        • 2.Sc6#
      • 1...Bd3
        • 2.Sbc2#
        • 2.Sc6#
      • 1...Rxd2!
  • Keys
    • 1.Bxe7!
      • threat
        • 2.Rxd5#
      • 1...Rxc5
        • 2.Bf6#
      • 1...Rcd3
        • 2.Sxd5#
      • 1...Re3
        • 2.Qf6#
      • 1...Rc4
        • 2.Sb5#
      • 1...e3
        • 2.Qxd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • R(e);N_GUARD,SBLOCK::R(C)+S(D),XP(i)
    • R(e);SBLOCK::QAB1(F)
    • R(e);SBLOCK::S(B)
    • R(e);SBLOCK,XP(E)::B(G)
  • Tries
    • Try
      • Q(F);CHECK
      • Refutation
        • R(a);XQ(F)
  • Actual
    • B(G);P_PINP(i),XP(j)
    • Threat
      • R1(I),XP(i)
    • Vars
      • R(e);SBLOCK,XP(E)::B(G)
      • R(e);N_GUARD,SBLOCK::R(C)+S(D),XP(i)
      • R(e);SBLOCK::QAB(F)
      • R(e);SBLOCK::S(B)
      • P(h);SBLOCK::QAR1(F),XP(i)
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