MESON Chess Problem Database

Problem Display
PID: 232433 (Nr2b3/8/nQ6/8/P1k1NP2/b3P3/P1n1P1B1/1K2B3 w - - 0 1)

Degenkolbe, Mirko

Freie Presse, 1987

Nr2b3/8/nQ6/8/P1k1NP2/b3P3/P1n1P1B1/1K2B3

#2

11 + 6

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kd5
      • 2.Sd2#
    • 1...Rxb6+
      • 2.Sxb6#
    • 1...Rxa8
      • 2.Qb3#
      • 2.Qe6#
    • 1...Rc8
      • 2.Qb3#
      • 2.Qe6#
    • 1...Rd8
      • 2.Qb3#
    • 1...Bc1
      • 2.Sd6#
    • 1...Bb2
      • 2.Sd6#
      • 2.Qe6#
    • 1...Bb4
      • 2.Qe6#
    • 1...Bd6
      • 2.Sxd6#
    • 1...Bb5
      • 2.Qe6#
    • 1...Scb4
      • 2.Sd6#
      • 2.Qd4#
    • 1...Sab4
      • 2.Sd6#
      • 2.Qc5#
    • 1...Sc5
      • 2.Sd6#
  • Keys
    • 1.Ba5!
      • threat
        • 2.Sd2#
      • 1...Rxb6+
        • 2.Sxb6#
      • 1...Kd5
        • 2.Sd2#
      • 1...Rd8
        • 2.Qb3#
      • 1...Bc1
        • 2.Sd6#
      • 1...Bb4
        • 2.Qe6#
      • 1...Scb4
        • 2.Qd4#
      • 1...Sab4
        • 2.Qc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 3
  • Sets
    • K(c);S_FLIGHT::B(E)+S(H)
    • R(e);CHECK,XQ(J)::S(K),XR(e)
    • R(e);N_GUARD,N_PINQ(J)::QAB1(J)
    • B(b);N_GUARD::S(H)
    • B(b);N_PINQ(J)::QAB(J)
    • B(b);N_GUARD::S(H),XB(b)
    • B(f);N_PINQ(J)::QAB(J)
    • S(d);S_CUTB(b)::S(H)
  • Actual
    • B(B);
    • Threat
      • S(H)
    • Vars
      • R(e);CHECK,XQ(J)::S(K),XR(e)
      • K(c);S_FLIGHT::B(E)+S(H)
      • R(e);N_GUARD,N_PINQ(J)::QAB1(J)
      • B(b);N_GUARD::S(H)
      • B(b);N_PINQ(J)::QAB(J)
      • S(a);N_PINQ(J)::QAR1(J)
      • S(d);N_PINQ(J)::QAR1(J)
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