MESON Chess Problem Database

Problem Display
PID: 175114 (Q2K4/7p/4p2k/3pBP2/3r1P2/8/4B3/2n5 w - - 0 1)

von Wardener, Friedrich Freiherr

Tns, 1902

Q2K4/7p/4p2k/3pBP2/3r1P2/8/4B3/2n5

#2

6 + 6

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...exf5
      • 2.Qc6#
      • 2.Qa6#
  • Tries
    • 1.Qb7?
      • threat
        • 2.Bg7#
        • 2.Qg7#
      • 1...Rxf4
        • 2.Bxf4#
        • 2.Qg7#
      • 1...exf5
        • 2.Qa6#
        • 2.Qc6#
        • 2.Qb6#
        • 2.Qg7#
      • 1...Sxe2!
    • 1.Qa3?
      • threat
        • 2.Qf8#
        • 2.Qh3#
      • 1...Sxe2
        • 2.Qh3#
      • 1...exf5
        • 2.Qd6#
        • 2.Qa6#
      • 1...Rd3
        • 2.Qf8#
      • 1...Rb4
        • 2.Qh3#
      • 1...Sb3
        • 2.Qf8#
      • 1...Sd3
        • 2.Qf8#
      • 1...Rxf4!
    • 1.Qa7?
      • threat
        • 2.Bg7#
        • 2.Qg7#
      • 1...Rxf4
        • 2.Bxf4#
        • 2.Qg7#
      • 1...exf5
        • 2.Qb6#
        • 2.Qa6#
        • 2.Qg7#
      • 1...Sxe2!
  • Keys
    • 1.Qa1!
      • 1...Rxf4
        • 2.Bxf4#
      • 1...Sxe2
        • 2.Qh1#
      • 1...exf5
        • 2.Qa6#
      • 1...Rd1
        • 2.Bg7#
      • 1...Rd2
        • 2.Bg7#
      • 1...Rd3
        • 2.Bg7#
      • 1...Ra4
        • 2.Bg7#
      • 1...Rb4
        • 2.Bg7#
      • 1...Rc4
        • 2.Bg7#
      • 1...Re4
        • 2.Bg7#
      • 1...Sa2
        • 2.Qh1#
      • 1...Sb3
        • 2.Qh1#
      • 1...Sd3
        • 2.Qh1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 13
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(E);
      • Threat
        • DUALS(2)
      • Refutation
        • S(a);XB(A)
    • Try
      • Q(E);
      • Threat
        • DUALS(2)
      • Vars
        • S(a);XB(A)::QAR(E)
        • R(b);::QAB(E)
        • R(b);::QAR(E)
        • S(a);::QAB(E)
      • Refutation
        • R(b);XP(B)
    • Try
      • Q(E);
      • Threat
        • DUALS(2)
      • Refutation
        • S(a);XB(A)
  • Actual
    • Q(E);
    • Vars
      • R(b);OGATE,XP(B)::B(C),XR(b)
      • S(a);OGATE,XB(A)::QAR(E)
      • P(d);OGATEB,XP(D)::QAB1(E)
      • R(b);::B(C)
      • S(a);OGATE::QAR(E)
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