MESON Chess Problem Database

Problem Display
PID: 208219 (b6r/8/5Q2/b1pp3p/8/1p2p3/2BkN1K1/r1R3N1 w - - 0 1)

Jaeger, Hartmut

Deutsche Schachblatter, 1994

b6r/8/5Q2/b1pp3p/8/1p2p3/2BkN1K1/r1R3N1

#2

6 + 10

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Bc3
      • 2.Qxc3#
    • 1...Bb6
      • 2.Qc3#
    • 1...Bc7
      • 2.Qc3#
    • 1...Bd8
      • 2.Qc3#
    • 1...c4
      • 2.Qd4#
  • Keys
    • 1.Qb2!
      • threat
        • 2.Bb1#
        • 2.Be4#
        • 2.Bf5#
        • 2.Bg6#
        • 2.Bh7#
      • 1...Rg8+
        • 2.Bg6#
      • 1...d4+
        • 2.Be4#
      • 1...Rxc1
        • 2.Qxc1#
      • 1...bxc2
        • 2.Qxc2#
      • 1...Rb1
        • 2.Bxb1#
      • 1...Ra2
        • 2.Rd1#
      • 1...Rh7
        • 2.Bb1#
        • 2.Be4#
        • 2.Bf5#
        • 2.Bg6#
        • 2.Bxh7#
      • 1...Bc3
        • 2.Qxc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 4
  • Sets
    • B(e);N_GUARD::QAB1(F),XB(e)
    • B(e);N_GUARD::QAB1(F)
    • P(f);N_GUARD::QAR2(F)
  • Actual
    • Q(F);
    • Threat
      • DUALS(5)
    • Vars
      • R(j);CHECK::QAR(F)+B(C)
      • P(g);CHECK::QAR(F)+B(C)
      • R(a);OGATE,XR(A)::QAB1(F),XR(a)
      • P(c);OGATE,P_SPINP(c),XB(C)::QAR1(F),XP(c)
      • R(a);::QAR(F)+B(C),XR(a)
      • R(a);N_GUARD::R1(A)
      • B(e);N_GUARD::QAB1(F),XB(e)
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