MESON Chess Problem Database

Problem Display
PID: 109533 (8/1N2Q3/4P3/4kp2/1K2nR2/6P1/7p/3N3B w - - 0 1)

Trommler, Sven

Telescacco 92, 1995

8/1N2Q3/4P3/4kp2/1K2nR2/6P1/7p/3N3B

#2

8 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Qd6#
    • 1...Kd5
      • 2.Qd6#
    • 1...Sf6
      • 2.Qd6#
  • Tries
    • 1.Sd8?
      • 1...Kd4
        • 2.Qd6#
      • 1...Kd5
        • 2.Qc5#
      • 1...Sd2
        • 2.Sc6#
        • 2.Sf7#
      • 1...Sf2
        • 2.Sc6#
        • 2.Sf7#
      • 1...Sc3
        • 2.Sc6#
        • 2.Sf7#
      • 1...Sc5
        • 2.Sc6#
        • 2.Sf7#
      • 1...Sg5
        • 2.Sc6#
      • 1...Sd6
        • 2.Sc6#
        • 2.Qg7#
      • 1...Sf6
        • 2.Sc6#
        • 2.Sf7#
        • 2.Qc7#
      • 1...Sxg3!
    • 1.Rxe4+?
      • 1...Kd5
        • 2.Qc5#
        • 2.Qd6#
        • 2.Qd7#
      • 1...fxe4!
  • Keys
    • 1.Sb2!
      • 1...Kd4
        • 2.Qc5#
      • 1...Kd5
        • 2.Qd6#
      • 1...Sxg3
        • 2.Sd3#
      • 1...Sd2
        • 2.Sd3#
      • 1...Sf2
        • 2.Sc4#
      • 1...Sc3
        • 2.Sd3#
        • 2.Sc4#
      • 1...Sc5
        • 2.Sc4#
      • 1...Sg5
        • 2.Sd3#
        • 2.Sc4#
      • 1...Sd6
        • 2.Sd3#
      • 1...Sf6
        • 2.Sd3#
        • 2.Sc4#
        • 2.Qd6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • K(c);P_SPINS(b),S_FLIGHT::QAR2(H)
    • K(c);P-FLIGHT,P_SPINS(b)::QAR1(H)
    • S(b);N_GUARD,SBLOCK::QAB1(H)
  • Tries
    • Try
      • S(G);
      • Vars
        • K(c);P_SPINS(b),S_FLIGHT::QAR2(H)
        • K(c);P-FLIGHT,P_SPINS(b)::QAR1(H)
        • S(b);::S(G)
      • Refutation
        • S(b);XP(C)
    • Try
      • R(E);CHECK,XS(b)
      • Refutation
        • P(d);XR(E)
  • Actual
    • S(A);
    • Vars
      • K(c);P_SPINS(b),S_FLIGHT::QAB1(H)
      • K(c);P-FLIGHT,P_SPINS(b)::QAR1(H)
      • S(b);XP(C)::S(A)
      • S(b);::S(A)
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