MESON Chess Problem Database

Problem Display
PID: 229306 (3Q4/8/2pp2R1/2q3p1/2PNk1p1/6K1/2P1NP2/4R3 w - - 0 1)

Reimann, Friedrich

Tidskrift for Schack, 1911

3Q4/8/2pp2R1/2q3p1/2PNk1p1/6K1/2P1NP2/4R3

#2

9 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Ke5
      • 2.Re6#
      • 2.Qe7#
      • 2.Qe8#
    • 1...Qb4
      • 2.Re6#
      • 2.Qe7#
      • 2.Qe8#
    • 1...Qb6
      • 2.Re6#
      • 2.Qe7#
      • 2.Qe8#
    • 1...Qa7
      • 2.Re6#
    • 1...d5
      • 2.Re6#
  • Tries
    • 1.Qf6?
      • threat
        • 2.Sc1#
        • 2.Sg1#
        • 2.Sc3#
        • 2.Sf4#
      • 1...Qa3+
        • 2.Sc3#
      • 1...Qxd4
        • 2.Sc3#
        • 2.Sxd4#
      • 1...Qxc4
        • 2.Sc3#
        • 2.Qf5#
      • 1...Qb4
        • 2.Sc3#
        • 2.Qe7#
        • 2.Qf5#
        • 2.Qe6#
      • 1...Qa5
        • 2.Sc3#
      • 1...Qe5+!
    • 1.Qh8?
      • threat
        • 2.Sc1#
        • 2.Sg1#
        • 2.Sc3#
        • 2.Sf4#
      • 1...Qa3+
        • 2.Sc3#
      • 1...Qxd4
        • 2.Sxd4#
      • 1...Qxc4
        • 2.Sc3#
      • 1...Qb4
        • 2.Sc3#
        • 2.Re6#
        • 2.Qe8#
      • 1...Qa5
        • 2.Sc3#
      • 1...Qe5+!
  • Keys
    • 1.Qb6!
      • 1...Qa3+
        • 2.Sc3#
      • 1...Qe5+
        • 2.Sf4#
      • 1...Ke5
        • 2.Re6#
      • 1...Qxd4
        • 2.Sxd4#
      • 1...Qxb6
        • 2.Re6#
      • 1...Qxc4
        • 2.Sc3#
      • 1...Qb4
        • 2.Sc3#
        • 2.Re6#
      • 1...Qa5
        • 2.Sc3#
      • 1...Qb5
        • 2.Sc1#
        • 2.Sg1#
        • 2.Sc3#
        • 2.Sf4#
      • 1...Qd5
        • 2.Sc1#
        • 2.Sg1#
        • 2.Sc3#
        • 2.Sf4#
      • 1...Qf5
        • 2.Sc1#
        • 2.Sg1#
        • 2.Sc3#
        • 2.Sf4#
      • 1...d5
        • 2.Re6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 1
  • Sets
    • Q(c);N_GUARD::R(H)
    • P(f);S_CUTQ(c)::R(H)
  • Tries
    • Try
      • Q(I);
      • Threat
        • DUALS(4)
      • Vars
        • Q(c);CHECK::R(A)+S(C),DCHECK
        • Q(c);::R(A)+S(C),DCHECK
      • Refutation
        • Q(c);CHECK
    • Try
      • Q(I);
      • Threat
        • DUALS(4)
      • Vars
        • Q(c);CHECK::R(A)+S(C),DCHECK
        • Q(c);XS(G)::R(A)+S(C),XQ(c)
        • Q(c);XP(F)::R(A)+S(C),DCHECK
        • Q(c);::R(A)+S(C),DCHECK
      • Refutation
        • Q(c);CHECK
  • Actual
    • Q(I);
    • Vars
      • Q(c);CHECK::R(A)+S(C),DCHECK
      • Q(c);CHECK,SBLOCK::R(A)+S(C)
      • K(a);P-FLIGHT::R1(H)
      • Q(c);XS(G)::R(A)+S(C),XQ(c)
      • Q(c);N_GUARD,XQ(I)::R(H)
      • Q(c);XP(F)::R(A)+S(C),DCHECK
      • Q(c);::R(A)+S(C),DCHECK
      • P(f);S_CUTQ(c)::R(H)
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