MESON Chess Problem Database

Problem Display
PID: 98473 (4rb2/1p1B1N1K/2p2BRp/3k4/3P4/1n1P4/2N1n3/2q1r3 w - - 0 1)

Paslack, Rainer

US Problem Bulletin, 1992

4rb2/1p1B1N1K/2p2BRp/3k4/3P4/1n1P4/2N1n3/2q1r3

#2

8 + 10

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Re7
      • 2.Sb4#
    • 1...Bb4
      • 2.Sxb4#
    • 1...Bg7
      • 2.Sb4#
    • 1...Sc5
      • 2.Sb4#
  • Keys
    • 1.Be7!
      • threat
        • 2.Be6#
        • 2.Rd6#
      • 1...Qxc2
        • 2.Rd6#
      • 1...Rxe7
        • 2.Rd6#
      • 1...Bxe7
        • 2.Be6#
      • 1...Sexd4
        • 2.Sb4#
      • 1...Sbxd4
        • 2.Sb4#
      • 1...Qa3
        • 2.Be6#
      • 1...Qe3
        • 2.Rd6#
      • 1...Qf4
        • 2.Be6#
      • 1...Sg1
        • 2.Rd6#
      • 1...Sc3
        • 2.Rd6#
      • 1...Sg3
        • 2.Rd6#
      • 1...Sf4
        • 2.Rd6#
      • 1...Sc5
        • 2.Rd6#
      • 1...c5
        • 2.Rd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 12
    • REMOVED MATES = 2
  • Sets
    • R(i);P_PINS(G),S_CUTB(j)::S(A)
    • B(j);N_GUARD::S(A),XB(j)
    • B(j);N_GUARD::S(A)
    • S(d);S_CUTB(j)::S(A)
  • Actual
    • B(D);
    • Threat
      • DUALS(2)
    • Vars
      • Q(a);XS(A)::R1(E)
      • R(i);P_PINS(G),XB(D)::R1(E)
      • B(j);XB(D)::B(F)
      • S(c);SBLOCK,XP(C)::S(A)
      • S(d);SBLOCK,XP(C)::S(A)
      • Q(a);::B(F)
      • Q(a);::R1(E)
      • S(c);::R1(E)
      • S(d);::R1(E)
      • P(f);::R1(E)
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