MESON Chess Problem Database

Problem Display
PID: 209094 (b1k5/5R2/N1p1P3/1n4B1/8/1p1P3n/1K6/Q7 w - - 0 1)

Dischler, Max

Badische Neueste Nachrichten, 1984

b1k5/5R2/N1p1P3/1n4B1/8/1p1P3n/1K6/Q7

#2

7 + 6

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Bb7
      • 2.Rf8#
    • 1...Sa3
      • 2.Rc7#
    • 1...Sc3
      • 2.Rc7#
    • 1...Sd4
      • 2.Rc7#
    • 1...Sd6
      • 2.Rc7#
    • 1...Sa7
      • 2.Rc7#
    • 1...Sc7
      • 2.Rxc7#
  • Tries
    • 1.Kc1?
      • threat
        • 2.Qh8#
      • 1...Sc7
        • 2.Rxc7#
      • 1...Sc3
        • 2.Rc7#
      • 1...Sd4
        • 2.Rc7#
      • 1...Sd6
        • 2.Rc7#
      • 1...b2+!
    • 1.Kxb3?
      • threat
        • 2.Qh8#
      • 1...Sc7
        • 2.Rxc7#
      • 1...Sc3
        • 2.Rc7#
      • 1...Sd6
        • 2.Rc7#
      • 1...Sd4+!
    • 1.Qa3?
      • threat
        • 2.Qf8#
      • 1...Sxa3
        • 2.Rc7#
      • 1...Sc7
        • 2.Rxc7#
      • 1...Sd6
        • 2.Rc7#
      • 1...c5!
    • 1.Qa5?
      • threat
        • 2.Qd8#
      • 1...Sc7
        • 2.Rxc7#
        • 2.Qxc7#
      • 1...Sxg5!
  • Keys
    • 1.Qh1!
      • 1...Sxg5
        • 2.Qh8#
      • 1...Sc7
        • 2.Rxc7#
      • 1...Sg1
        • 2.Qh8#
      • 1...Bb7
        • 2.Rf8#
      • 1...Sf2
        • 2.Qh8#
      • 1...Sf4
        • 2.Qh8#
      • 1...Sa3
        • 2.Rc7#
      • 1...Sc3
        • 2.Rc7#
      • 1...Sd4
        • 2.Rc7#
      • 1...Sd6
        • 2.Rc7#
      • 1...Sa7
        • 2.Rc7#
      • 1...c5
        • 2.Rf8#
        • 2.Qxa8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • B(e);SBLOCK::R(G)
    • S(c);N_GUARD::R1(G)
    • S(c);N_GUARD::R1(G),XS(c)
  • Tries
    • Try
      • K(B);S_FLIGHT
      • Threat
        • QAR(A)
      • Vars
        • S(c);N_GUARD::R1(G),XS(c)
        • S(c);N_GUARD::R1(G)
      • Refutation
        • P(a);CHECK
    • Try
      • K(B);P-FLIGHT,XP(a)
      • Threat
        • QAR(A)
      • Vars
        • S(c);N_GUARD::R1(G),XS(c)
        • S(c);N_GUARD::R1(G)
      • Refutation
        • S(c);CHECK
    • Try
      • Q(A);
      • Threat
        • QAR(A)
      • Vars
        • S(c);N_GUARD,XQ(A)::R1(G)
        • S(c);N_GUARD::R1(G),XS(c)
        • S(c);N_GUARD::R1(G)
      • Refutation
        • P(d);
    • Try
      • Q(A);
      • Threat
        • QAR1(A)
      • Refutation
        • S(b);XB(D)
  • Actual
    • Q(A);
    • Vars
      • S(b);OGATE,XB(D)::QAR(A)
      • S(c);N_GUARD::R1(G),XS(c)
      • S(b);OGATE::QAR(A)
      • B(e);SBLOCK::R(G)
      • S(c);N_GUARD::R1(G)
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