MESON Chess Problem Database

Problem Display
PID: 174842 (2RR4/4p2P/K1N1B3/1pkp2r1/7B/1P3nb1/3PN1b1/8 w - - 0 1)

Barth, Michael

2nd Comm., BCPS U-21 Ty., 1991-03

2RR4/4p2P/K1N1B3/1pkp2r1/7B/1P3nb1/3PN1b1/8

#2

10 + 8

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Rg4
      • 2.Rxd5#
    • 1...Re5
      • 2.Bxe7#
    • 1...Rg6
      • 2.Rxd5#
    • 1...Rg7
      • 2.Rxd5#
    • 1...Rg8
      • 2.Rxd5#
    • 1...Be5
      • 2.Rxd5#
    • 1...Se1
      • 2.d4#
    • 1...Sg1
      • 2.d4#
    • 1...Sh2
      • 2.d4#
    • 1...Sxh4
      • 2.d4#
    • 1...Se5
      • 2.d4#
    • 1...b4
      • 2.Se5#
    • 1...d4
      • 2.b4#
  • Keys
    • 1.h8Q!
      • threat
        • 2.Qc3#
      • 1...Sxd2
        • 2.Qd4#
      • 1...Rg4
        • 2.Rxd5#
      • 1...Re5
        • 2.Bxe7#
      • 1...Rg7
        • 2.Rxd5#
      • 1...Be5
        • 2.Rxd5#
      • 1...Sd4
        • 2.Qxd4#
      • 1...Se5
        • 2.d4#
      • 1...b4
        • 2.Se5#
      • 1...d4
        • 2.b4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 6
  • Sets
    • R(g);N_GUARD::R1(J),XP(f)
    • R(g);OGATE::B(D),XP(h)
    • B(c);S_CUTR(g)::R1(J),XP(f)
    • S(b);N_GUARD::P(A)
    • S(b);N_GUARD,XB(D)::P(A)
    • P(d);SBLOCK::R(I)+S(F)
    • P(f);::P(C)
  • Actual
    • P(H);
    • Threat
      • QAR2(H)
    • Vars
      • S(b);N_GUARD,XP(A)::QAB1(H)
      • R(g);N_GUARD::R1(J),XP(f)
      • R(g);OGATE::B(D),XP(h)
      • B(c);S_CUTR(g)::R1(J),XP(f)
      • S(b);N_GUARD::QAB1(H),XS(b)
      • S(b);N_GUARD::P(A)
      • P(d);SBLOCK::R(I)+S(F)
      • P(f);::P(C)
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