MESON Chess Problem Database

Problem Display
PID: 100995 (4N3/3p4/8/1Prk1bP1/1Bq3QK/4R1nP/B2r4/b2N4 w - - 0 1)

Heftman, Hyman

Good Companions, 1921

4N3/3p4/8/1Prk1bP1/1Bq3QK/4R1nP/B2r4/b2N4

#2

10 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rb2
      • 2.Sc3#
    • 1...Rxb5
      • 2.Qxc4#
    • 1...Rc7
      • 2.Sxc7#
    • 1...Bc3
      • 2.Sxc3#
  • Keys
    • 1.Bc3!
      • threat
        • 2.Re5#
      • 1...Rxb5
        • 2.Qxc4#
      • 1...Bxc3
        • 2.Sxc3#
      • 1...Se4
        • 2.Qxf5#
      • 1...Re2
        • 2.Qd4#
      • 1...Rd4
        • 2.Qxd4#
      • 1...Be4
        • 2.Qxd7#
      • 1...d6
        • 2.Sf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 2
  • Sets
    • R(b);S_CUTB(a)::S(A)
    • R(e);N_GUARD,XP(H)::QAB1(F),XQ(d)
    • R(e);N_GUARD::S(J),XR(e)
    • B(a);N_GUARD::S(A),XB(a)
  • Actual
    • B(E);
    • Threat
      • R1(C)
    • Vars
      • R(e);N_GUARD,XP(H)::QAB1(F),XQ(d)
      • B(a);XB(E)::S(A),XB(a)
      • S(c);N_PINQ(F)::QAR2(F),XB(g)
      • R(b);N_GUARD::QAR1(F)
      • R(b);N_GUARD::QAR1(F),XR(b)
      • B(g);N_PINQ(F)::QAR2(F),XP(h)
      • P(h);SBLOCK::S(J)
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