MESON Chess Problem Database

Problem Display
PID: 121538 (8/8/8/3N4/2Q5/3pp3/pp1p2K1/rbbk4 w - - 0 1)

Moravec, Josef

Vecherni Praha, 1958

8/8/8/3N4/2Q5/3pp3/pp1p2K1/rbbk4

#2

3 + 9

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Sc3+?
      • 1...Ke1
        • 2.Qh4#
      • 1...Kc2!
    • 1.Qf4?
      • 1...Ke1
        • 2.Qf1#
      • 1...Kc2
        • 2.Qa4#
      • 1...Ke2
        • 2.Qf1#
      • 1...Bc2
        • 2.Qf1#
      • 1...e2!
  • Keys
    • 1.Qh4!
      • 1...Kc2
        • 2.Qa4#
      • 1...Ke2
        • 2.Sc3#
      • 1...e2
        • 2.Se3#
      • 1...Bc2
        • 2.Sc3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • K(d);P-FLIGHT::QAB(B)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • Q(B);
      • Vars
        • K(d);P-FLIGHT::QAR1(B)
        • K(d);S_FLIGHT::QAB(B)
        • K(d);S_FLIGHT::QAB1(B)
        • B(b);SBLOCK::QAR2(B)
      • Refutation
        • P(i);
  • Actual
    • Q(B);
    • Vars
      • K(d);S_FLIGHT::QAB(B)
      • K(d);S_FLIGHT::S(C)
      • P(i);SBLOCK::S(C)
      • B(b);SBLOCK::S(C)
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