MESON Chess Problem Database

Problem Display
PID: 26808 (2B1bBnN/2b5/q7/8/5kPP/2R1R3/3PP3/2N3K1 w - - 0 1)

Selb, Hans

Die Schwalbe, 1960

2B1bBnN/2b5/q7/8/5kPP/2R1R3/3PP3/2N3K1

#2

11 + 5

3150 Asthetik und Ornamentik im Schachproblem 2000
23 Die Schwalbe 2001

SOLUTION

  • SOUND
  • Sets
    • 1...Qxe2
      • 2.Sxe2#
    • 1...Qd3
      • 2.Sxd3#
    • 1...Qc4
      • 2.Rxc4#
    • 1...Qb7
      • 2.Sd3#
    • 1...Qxc8
      • 2.Rc4#
    • 1...Qa2
      • 2.Sd3#
    • 1...Qa3
      • 2.Sd3#
      • 2.Rc4#
    • 1...Qa4
      • 2.Sd3#
    • 1...Qa5
      • 2.Sd3#
      • 2.Rc4#
    • 1...Qb6
      • 2.Sd3#
    • 1...Qc6
      • 2.Sd3#
    • 1...Qf6
      • 2.Sd3#
    • 1...Qh6
      • 2.Sd3#
      • 2.Rc4#
    • 1...Qa7
      • 2.Sd3#
    • 1...Qa8
      • 2.Sd3#
    • 1...Bb6
      • 2.Bd6#
    • 1...Bc6
      • 2.Sg6#
    • 1...Sf6
      • 2.Bh6#
  • Tries
    • 1.Bh6+?
      • 1...Qxh6
        • 2.Sd3#
        • 2.Rc4#
      • 1...Sxh6!
  • Keys
    • 1.Bf5!
      • threat
        • 2.Re4#
      • 1...Qxe2
        • 2.Sxe2#
      • 1...Qd3
        • 2.Sxd3#
      • 1...Qc4
        • 2.Rxc4#
      • 1...Qb7
        • 2.Sd3#
      • 1...Qa4
        • 2.Sd3#
      • 1...Qb6
        • 2.Sd3#
      • 1...Qc6
        • 2.Sd3#
      • 1...Qe6
        • 2.Sd3#
      • 1...Qa7
        • 2.Sd3#
      • 1...Qa8
        • 2.Sd3#
      • 1...Bb6
        • 2.Bd6#
      • 1...Bc6
        • 2.Sg6#
      • 1...Sf6
        • 2.Bh6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 3
  • Sets
    • Q(b);XP(D)::S(A),XQ(b)
    • Q(b);N_GUARD::S(A),XQ(b)
    • Q(b);N_GUARD::R(E),XQ(b)
    • Q(b);N_GUARD::S(A)
    • Q(b);N_GUARD,XB(I)::R(E)
    • Q(b);N_GUARD,P_PINR(F)::S(A)
    • B(c);N_GUARD,P_PINR(F),S_CUTQ(b)::B(J)
    • B(d);N_GUARD,S_CUTQ(b)::S(K)
    • S(e);N_GUARD,S_CUTQ(b)::B(J)
  • Tries
    • Try
      • B(J);CHECK
      • Refutation
        • S(e);XB(J)
  • Actual
    • B(I);
    • Threat
      • R1(F)
    • Vars
      • Q(b);XP(D)::S(A),XQ(b)
      • Q(b);N_GUARD::S(A),XQ(b)
      • Q(b);N_GUARD::R(E),XQ(b)
      • Q(b);N_GUARD::S(A)
      • Q(b);N_GUARD,P_PINR(F)::S(A)
      • B(c);N_GUARD,P_PINR(F),S_CUTQ(b)::B(J)
      • B(d);N_GUARD,S_CUTQ(b)::S(K)
      • S(e);N_GUARD,S_CUTQ(b)::B(J)
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