MESON Chess Problem Database

Problem Display
PID: 275330 (5n2/4pK2/1N4p1/nrp1k2p/1p1R4/4b3/8/1B1Q4 w - - 0 1)

Schlatter, Eduard

Die Tat, 1955

(First published on Sat Mar 12 1955)

5n2/4pK2/1N4p1/nrp1k2p/1p1R4/4b3/8/1B1Q4

#2

5 + 10

6490 yacpdb 2024

SOLUTION

  • SOUND
  • Sets
    • 1...Bf4
      • 2.Rd5#
    • 1...Sb3
      • 2.Sc4#
    • 1...Sc4
      • 2.Sxc4#
    • 1...Sc6
      • 2.Sc4#
    • 1...Sb7
      • 2.Sc4#
    • 1...Se6
      • 2.Sd7#
    • 1...Sd7
      • 2.Sxd7#
    • 1...Sh7
      • 2.Sd7#
  • Tries
    • 1.Qd3?
      • threat
        • 2.Qe4#
        • 2.Qxe3#
      • 1...Bxd4
        • 2.Qg3#
      • 1...Bc1
        • 2.Qe4#
      • 1...Bg1
        • 2.Qe4#
      • 1...Bd2
        • 2.Qe4#
      • 1...Bf2
        • 2.Qe4#
      • 1...Bf4
        • 2.Rd5#
        • 2.Qe4#
      • 1...Bg5
        • 2.Qe4#
      • 1...Bh6
        • 2.Qe4#
      • 1...Sc4
        • 2.Sxc4#
        • 2.Qe4#
      • 1...cxd4!
  • Keys
    • 1.Qc2!
      • threat
        • 2.Qe4#
      • 1...Kxd4
        • 2.Qb2#
      • 1...Bxd4
        • 2.Qh2#
      • 1...cxd4
        • 2.Qc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 8
  • Sets
    • B(a);SBLOCK::R1(C)
    • S(c);N_GUARD::S(D)
    • S(c);N_GUARD::S(D),XS(c)
    • S(j);N_GUARD::S(D)
    • S(j);N_GUARD::S(D),XS(j)
  • Tries
    • Try
      • Q(B);
      • Threat
        • DUALS(2)
      • Vars
        • B(a);OGATE,SBLOCK,XR(C)::QAB(B)
        • B(a);::QAR1(B)
      • Refutation
        • P(e);XR(C)
  • Actual
    • Q(B);
    • Threat
      • QAR1(B)
    • Vars
      • K(f);OGATEB,S_FLIGHT,XR(C)::QAB(B)
      • B(a);N_GUARD,SBLOCK,XR(C)::QAB(B)
      • P(e);OGATE,SBLOCK,XR(C)::QAB(B)
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