MESON Chess Problem Database

Problem Display
PID: 249925 (4QN2/6K1/1P1pP3/4kp2/p6P/pr1n1Pp1/B1N3P1/5R2 w - - 0 1)

Feigl, Maximilian

Deutsche Schachzeitung, 1891

4QN2/6K1/1P1pP3/4kp2/p6P/pr1n1Pp1/B1N3P1/5R2

#2

11 + 8

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kf4
      • 2.Sg6#
    • 1...Rb1
      • 2.Sg6#
    • 1...Rb2
      • 2.Sg6#
    • 1...Rc3
      • 2.Sg6#
    • 1...Rb4
      • 2.Sg6#
    • 1...Rb5
      • 2.Sg6#
    • 1...Rxb6
      • 2.Sg6#
    • 1...f4
      • 2.Qh5#
    • 1...d5
      • 2.Qb8#
  • Tries
    • 1.Bxb3?
      • threat
        • 2.Sg6#
      • 1...Kf4
        • 2.Sg6#
      • 1...d5
        • 2.Qb8#
      • 1...Sf4
        • 2.Sd7#
      • 1...f4
        • 2.Qh5#
      • 1...axb3!
  • Keys
    • 1.Rd1!
      • 1...Kf4
        • 2.Sg6#
      • 1...Kd5
        • 2.Qb5#
      • 1...Rxb6
        • 2.Sg6#
      • 1...Sc1
        • 2.Sg6#
      • 1...Rb1
        • 2.Sg6#
      • 1...Rb2
        • 2.Sg6#
      • 1...Rc3
        • 2.Sg6#
      • 1...Rb4
        • 2.Sg6#
      • 1...Rb5
        • 2.Sg6#
      • 1...Se1
        • 2.Sg6#
      • 1...Sb2
        • 2.Sg6#
      • 1...Sf2
        • 2.Sg6#
      • 1...Sb4
        • 2.Sg6#
      • 1...Sf4
        • 2.Sd7#
      • 1...Sc5
        • 2.Sg6#
      • 1...f4
        • 2.Qh5#
      • 1...d5
        • 2.Qb8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • K(f);N_GUARD,S_FLIGHT::S(K)
    • R(b);::S(K)
    • R(b);XP(G)::S(K)
    • P(g);OGATEB,SBLOCK::QAR(J)
    • P(h);OGATEB,SBLOCK::QAB(J)
  • Tries
    • Try
      • B(B);XR(b)
      • Threat
        • S(K)
      • Vars
        • K(f);S_FLIGHT::S(K)
        • P(h);OGATEB::QAB(J)
        • S(c);SBLOCK::S(K)
        • P(g);OGATEB,SBLOCK::QAR(J)
      • Refutation
        • P(e);XB(B)
  • Actual
    • R(A);
    • Vars
      • K(f);N_GUARD,S_FLIGHT::S(K)
      • K(f);N_GUARD,P-FLIGHT,P_SPINR(b),P_SPINS(c),S_CUTP(h)::QAR2(J)
      • R(b);XP(G)::S(K)
      • S(c);::S(K)
      • R(b);::S(K)
      • S(c);SBLOCK::S(K)
      • P(g);OGATEB,SBLOCK::QAR(J)
      • P(h);OGATEB,SBLOCK::QAB(J)
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