MESON Chess Problem Database

Problem Display
PID: 12478 (8/5Nk1/8/1p3Q2/pB6/K7/8/8 w - - 0 1)

Manolescu, Mircea Mihai

1/2 Prize, Tribuna Sibiului, 1979

8/5Nk1/8/1p3Q2/pB6/K7/8/8

#2

4 + 3

5627 Probleme de Sah 1998
5454 Near Snap 2009
3713 Snap 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kg8
      • 2.Qg6#
  • Tries
    • 1.Ka2?
      • 1...Kg8
        • 2.Qg6#
      • 1...a3!
    • 1.Kb2?
      • 1...Kg8
        • 2.Qg6#
      • 1...a3+!
    • 1.Sg5?
      • 1...Kg8
        • 2.Qh7#
        • 2.Qf8#
      • 1...Kh8
        • 2.Qh7#
        • 2.Qf8#
      • 1...Kh6!
    • 1.Bc3+?
      • 1...Kg8
        • 2.Sh6#
      • 1...Kf8!
    • 1.Bc5?
      • 1...Kg8
        • 2.Qg6#
      • 1...b4+!
    • 1.Bd6?
      • 1...Kg8
        • 2.Qg6#
      • 1...b4+!
    • 1.Be7?
      • 1...Kg8
        • 2.Qg6#
      • 1...b4+!
    • 1.Qe6?
      • 1...Kg8
        • 2.Qg6#
      • 1...Kh7!
    • 1.Qh5?
      • 1...Kg8
        • 2.Qg6#
      • 1...Kf6!
  • Keys
    • 1.Sh6!
      • 1...Kxh6
        • 2.Bf8#
      • 1...Kh8
        • 2.Bc3#

Anticipated by 66425(0000), 190167(1913), 193931(1916), 202552(1923), 108837(1926), 6185(1927), 207089(1951), 178750(1960), 69344(1968), 96988(1969)

This anticipates 221072(1998), 217467(1999)

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • K(c);P-FLIGHT::QAR2(C)
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Vars
        • K(c);P-FLIGHT::QAR2(C)
      • Refutation
        • P(a);
    • Try
      • K(A);S_FLIGHT
      • Vars
        • K(c);P-FLIGHT::QAR2(C)
      • Refutation
        • P(a);CHECK
    • Try
      • S(D);
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • B(B);CHECK
      • Vars
        • K(c);P-FLIGHT::S(D)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • B(B);
      • Vars
        • K(c);P-FLIGHT::QAR2(C)
      • Refutation
        • P(b);CHECK
    • Try
      • B(B);
      • Vars
        • K(c);P-FLIGHT::QAR2(C)
      • Refutation
        • P(b);CHECK
    • Try
      • B(B);
      • Vars
        • K(c);P-FLIGHT::QAR2(C)
      • Refutation
        • P(b);CHECK
    • Try
      • Q(C);
      • Vars
        • K(c);P-FLIGHT::QAR2(C)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • Q(C);
      • Vars
        • K(c);P-FLIGHT::QAR2(C)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • S(D);
    • Vars
      • K(c);S_FLIGHT,XS(D)::B(B)
      • K(c);S_FLIGHT::B(B)
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