MESON Chess Problem Database
Problem Display
PID: 70665 (8/8/3Kn1RR/4Bk1n/6p1/6p1/4N1B1/8 w - - 0 1)
Valuska, Jan
1st Prize, Sachove umeni (Ceskoslovensky sach), 1965
#2
6 + 5
| 5454 | Near Snap | 2010 |
SOLUTION
- SOUND
- Sets
- 1...Shf4
- 2.Sxg3#
- 1...Sf6
- 2.Sxg3#
- 1...Shg7
- 2.Sxg3#
- 1...Sd4
- 2.Sxd4#
- 1...Sef4
- 2.Sd4#
- 1...Sc5
- 2.Sd4#
- 1...Sg5
- 2.Sd4#
- 1...Sc7
- 2.Sd4#
- 1...Seg7
- 2.Sd4#
- 1...Sd8
- 2.Sd4#
- 1...Sf8
- 2.Sd4#
- 1...Shf4
- Tries
- 1.Bh1?
- 1...Shf4
- 2.Sxg3#
- 1...Sf6
- 2.Sxg3#
- 1...Shg7
- 2.Sxg3#
- 1...Sd4
- 2.Sxd4#
- 1...Sef4
- 2.Sd4#
- 1...Sc5
- 2.Sd4#
- 1...Sg5
- 2.Sd4#
- 1...Sc7
- 2.Sd4#
- 1...Seg7
- 2.Sd4#
- 1...Sd8
- 2.Sd4#
- 1...Sf8
- 2.Sd4#
- 1...g2!
- 1...Shf4
- 1.Bd5?
- 1...Shf4
- 2.Sxg3#
- 1...Sf6
- 2.Sxg3#
- 1...Shg7
- 2.Sxg3#
- 1...Sd4
- 2.Sxd4#
- 1...Sef4
- 2.Sd4#
- 1...Sc5
- 2.Sd4#
- 1...Sg5
- 2.Sd4#
- 1...Sc7
- 2.Sd4#
- 1...Seg7
- 2.Sd4#
- 1...Sd8
- 2.Sd4#
- 1...Sf8
- 2.Sd4#
- 1...g2!
- 1...Shf4
- 1.Bc6?
- 1...Shf4
- 2.Sxg3#
- 1...Sf6
- 2.Sxg3#
- 1...Shg7
- 2.Sxg3#
- 1...Sd4
- 2.Sxd4#
- 1...Sef4
- 2.Sd4#
- 1...Sc5
- 2.Sd4#
- 1...Sg5
- 2.Sd4#
- 1...Sc7
- 2.Sd4#
- 1...Seg7
- 2.Sd4#
- 1...Sd8
- 2.Sd4#
- 1...Sf8
- 2.Sd4#
- 1...g2!
- 1...Shf4
- 1.Bb7?
- 1...Shf4
- 2.Sxg3#
- 1...Sf6
- 2.Sxg3#
- 1...Shg7
- 2.Sxg3#
- 1...Sd4
- 2.Sxd4#
- 1...Sef4
- 2.Sd4#
- 1...Sc5
- 2.Sd4#
- 1...Sg5
- 2.Sd4#
- 1...Sc7
- 2.Sd4#
- 1...Seg7
- 2.Sd4#
- 1...Sd8
- 2.Sd4#
- 1...Sf8
- 2.Sd4#
- 1...g2!
- 1...Shf4
- 1.Ba8?
- 1...Shf4
- 2.Sxg3#
- 1...Sf6
- 2.Sxg3#
- 1...Shg7
- 2.Sxg3#
- 1...Sd4
- 2.Sxd4#
- 1...Sef4
- 2.Sd4#
- 1...Sc5
- 2.Sd4#
- 1...Sg5
- 2.Sd4#
- 1...Sc7
- 2.Sd4#
- 1...Seg7
- 2.Sd4#
- 1...Sd8
- 2.Sd4#
- 1...Sf8
- 2.Sd4#
- 1...g2!
- 1...Shf4
- 1.Rg5+?
- 1...Sxg5
- 2.Sd4#
- 1...Kxg5!
- 1...Sxg5
- 1.Rxh5+?
- 1...Sg5
- 2.Rhxg5#
- 2.Rgxg5#
- 2.Rf6#
- 1...Kxg6!
- 1...Sg5
- 1.Bh1?
- Keys
- 1.Bf4!
- 1...Shxf4
- 2.Sxg3#
- 1...Sexf4
- 2.Sd4#
- 1...Sf6
- 2.Rxf6#
- 1...Shg7
- 2.Rf6#
- 1...Sd4
- 2.Rg5#
- 1...Sc5
- 2.Rg5#
- 1...Sg5
- 2.Rxg5#
- 1...Sc7
- 2.Rg5#
- 1...Seg7
- 2.Rg5#
- 1...Sd8
- 2.Rg5#
- 1...Sf8
- 2.Rg5#
- 1...Shxf4
- 1.Bf4!
Anticipated by 65835(1956)
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 9
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- S(d);N_GUARD::S(A),XP(a)
- S(e);N_GUARD::S(A),XS(e)
- S(e);N_GUARD::S(A)
- Tries
- Try
- B(B);
- Vars
- S(d);N_GUARD::S(A),XP(a)
- S(e);N_GUARD::S(A),XS(e)
- S(e);N_GUARD::S(A)
- Refutation
- P(a);
- Try
- B(B);
- Vars
- S(d);N_GUARD::S(A),XP(a)
- S(e);N_GUARD::S(A),XS(e)
- S(e);N_GUARD::S(A)
- Refutation
- P(a);
- Try
- B(B);
- Vars
- S(d);N_GUARD::S(A),XP(a)
- S(e);N_GUARD::S(A),XS(e)
- S(e);N_GUARD::S(A)
- Refutation
- P(a);
- Try
- B(B);
- Vars
- S(d);N_GUARD::S(A),XP(a)
- S(e);N_GUARD::S(A),XS(e)
- S(e);N_GUARD::S(A)
- Refutation
- P(a);
- Try
- B(B);
- Vars
- S(d);N_GUARD::S(A),XP(a)
- S(e);N_GUARD::S(A),XS(e)
- S(e);N_GUARD::S(A)
- Refutation
- P(a);
- Try
- R(E);CHECK
- Vars
- S(e);SBLOCK,XR(E)::S(A)
- Refutation
- K(c);P-FLIGHT,XR(E)
- Try
- R(F);CHECK,XS(d)
- Refutation
- K(c);S_FLIGHT,XR(E)
- Try
- Actual
- B(C);
- Vars
- S(d);N_GUARD,SBLOCK,XB(C)::S(A),XP(a)
- S(e);N_GUARD,SBLOCK,XB(C)::S(A)
- S(d);N_GUARD::R1(E),XS(d)
- S(d);N_GUARD::R1(E)
- S(e);N_GUARD::R1(E)
- S(e);N_GUARD::R1(E),XS(e)
Developed and maintained by Brian Stephenson.
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