MESON Chess Problem Database

Problem Display
PID: 158689 (8/B1n5/n7/8/N2pk1K1/1B2p3/7Q/8 w - - 0 1)

Rommel, Georg

British Chess Magazine 13. Ty., 1906-1907

8/B1n5/n7/8/N2pk1K1/1B2p3/7Q/8

#2

5 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Kd3
      • 2.Qc2#
    • 1...Sb4
      • 2.Sc5#
    • 1...Sc5
      • 2.Sxc5#
    • 1...Sb8
      • 2.Sc5#
    • 1...e2
      • 2.Qxe2#
    • 1...d3
      • 2.Sc3#
      • 2.Qf4#
  • Tries
    • 1.Sc3+?
      • 1...Kd3
        • 2.Qc2#
      • 1...dxc3!
    • 1.Bc2+?
      • 1...d3
        • 2.Sc3#
      • 1...Kd5!
    • 1.Qf2?
      • threat
        • 2.Qf5#
      • 1...Kd3
        • 2.Qc2#
      • 1...Ke5
        • 2.Qf4#
      • 1...e2
        • 2.Qxd4#
        • 2.Qxe2#
      • 1...exf2!
    • 1.Qg2+?
      • 1...Kd3
        • 2.Qc2#
      • 1...Ke5!
  • Keys
    • 1.Bb8!
      • 1...Kd3
        • 2.Qc2#
      • 1...Sxb8
        • 2.Sc5#
      • 1...e2
        • 2.Qxe2#
      • 1...Sd5
        • 2.Qh7#
      • 1...Sb4
        • 2.Sc5#
      • 1...Sc5
        • 2.Sxc5#
      • 1...Sb5
        • 2.Qh7#
      • 1...Se6
        • 2.Qh7#
      • 1...Sa8
        • 2.Qh7#
      • 1...Se8
        • 2.Qh7#
      • 1...d3
        • 2.Qf4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • K(c);S_FLIGHT::QAB1(A)
    • S(d);N_GUARD::S(C)
    • S(d);N_GUARD::S(C),XS(d)
    • P(a);OGATEB::QAR2(A),XP(a)
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • K(c);S_FLIGHT::QAB1(A)
      • Refutation
        • P(b);XS(C)
    • Try
      • B(B);CHECK
      • Vars
        • P(b);P_SPINP(b)::S(C)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(A);
      • Threat
        • QAB1(A)
      • Vars
        • K(c);S_FLIGHT::QAB1(A)
        • K(c);P-FLIGHT::QAB1(A)
      • Refutation
        • P(a);XQ(A)
    • Try
      • Q(A);CHECK
      • Vars
        • K(c);S_FLIGHT::QAB1(A)
      • Refutation
        • K(c);P-FLIGHT
  • Actual
    • B(E);
    • Vars
      • K(c);S_FLIGHT::QAB1(A)
      • S(d);N_GUARD,XB(E)::S(C)
      • P(a);OGATEB::QAR2(A),XP(a)
      • S(e);::QAB(A)
      • S(d);N_GUARD::S(C)
      • S(d);N_GUARD::S(C),XS(d)
      • P(b);SBLOCK::QAR1(A)
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