MESON Chess Problem Database

Problem Display
PID: 34840 (8/2N5/2PN2K1/2rP3n/1B1k4/R3n3/1bP1b2Q/1B6 w - - 0 1)

Lewis, Robert Tony

2nd HM.=, Ukrainian Folk Crafts, 2001

8/2N5/2PN2K1/2rP3n/1B1k4/R3n3/1bP1b2Q/1B6

#2

10 + 6

102 Probleemblad 2001
56 The Problemist 2001

SOLUTION

  • SOUND
  • Sets
    • 1...Rxd5
      • 2.Se6#
    • 1...Bd1
      • 2.Rd3#
    • 1...Bd3+
      • 2.Rxd3#
    • 1...Bf3
      • 2.Rd3#
    • 1...Bg4
      • 2.Rd3#
    • 1...Sxd5
      • 2.Se6#
    • 1...Sg3
      • 2.Qh8#
    • 1...Sf4+
      • 2.Qxf4#
    • 1...Sg7
      • 2.Qf4#
  • Keys
    • 1.c4!
      • threat
        • 2.Se6#
      • 1...Bd3+
        • 2.Rxd3#
      • 1...Sf4+
        • 2.Qxf4#
      • 1...Rxc4
        • 2.Sdb5#
      • 1...Bxc4
        • 2.Qxb2#
      • 1...Sxc4
        • 2.Sf5#
      • 1...Sg3
        • 2.Qh8#
      • 1...Bg4
        • 2.Rd3#
        • 2.Qxb2#
      • 1...Sg7
        • 2.Qf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 5
  • Sets
    • R(e);SBLOCK,XP(F)::S(J)
    • B(b);N_GUARD::R1(D)
    • B(b);CHECK,N_GUARD::R1(D),XB(b)
    • S(c);SBLOCK,XP(F)::S(J)
    • S(f);OGATE::QAB(C)
    • S(f);CHECK,N_GUARD::QAR2(C),XS(f)
    • S(f);N_GUARD::QAR2(C)
  • Actual
    • P(B);
    • Threat
      • S(J)
    • Vars
      • B(b);CHECK,N_GUARD::R1(D),XB(b)
      • S(f);CHECK,N_GUARD::QAR2(C),XS(f)
      • R(e);N_GUARD,SBLOCK,XP(B)::S(H)
      • B(b);OGATE,XP(B)::QAB(C),XB(a)
      • S(c);N_GUARD,SBLOCK,XP(B)::S(H)
      • S(f);OGATE::QAB(C)
      • S(f);N_GUARD::QAR2(C)
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