MESON Chess Problem Database
Problem Display
PID: 36551 (8/3n3B/8/5R2/1ppKN3/1p4p1/2k1P1r1/2B4R w - - 0 1)
Touw Hian Bwee
1st Prize, Suomen Shakki, 1973
#2
7 + 7
| 3753 | FIDE Album (1971-1973) | 1978 |
| 6352 | A Collection of Chess Problems by Touw Hian Bwee | 2008 |
| 133 | The Problemist Supplement | 2010 |
| 5454 | Near Snap | 2011 |
SOLUTION
- SOUND
- Tries
- 1.Sd2?
- threat
- 2.Rff1#
- 2.Rf2#
- 2.Rf3#
- 2.Rf4#
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Rd5#
- 2.Re5#
- 2.Rg5#
- 2.Rfh5#
- 2.Rf6#
- 2.Rf7#
- 2.Rf8#
- 1...Rg1
- 2.Rf1#
- 1...Rf2
- 2.Rxf2#
- 2.Rf3#
- 2.Rf4#
- 1...Rh2
- 2.Rh5#
- 1...Sc5
- 2.Rxc5#
- 1...Se5
- 2.Rxe5#
- 1...Sf6
- 2.Rxf6#
- 1...Sf8
- 2.Rxf8#
- 1...Rxe2!
- threat
- 1.Sf2?
- threat
- 2.Rf3#
- 2.Rf4#
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Rd5#
- 2.Re5#
- 2.Rg5#
- 2.Rfh5#
- 2.Rf6#
- 2.Rf7#
- 2.Rf8#
- 1...Kb1
- 2.Ra5#
- 1...Rxf2
- 2.Rxf2#
- 2.Rf3#
- 2.Rf4#
- 1...gxf2
- 2.Rg5#
- 1...b2
- 2.Rf3#
- 1...Rh2
- 2.Rh5#
- 1...Sc5
- 2.Rxc5#
- 1...Se5
- 2.Rxe5#
- 1...Sf6
- 2.Rxf6#
- 1...Sf8
- 2.Rxf8#
- 1...Rg1!
- threat
- 1.Sc3?
- threat
- 2.Rff1#
- 2.Rf2#
- 2.Rf3#
- 2.Rf4#
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Rd5#
- 2.Re5#
- 2.Rg5#
- 2.Rfh5#
- 2.Rf6#
- 2.Rf7#
- 2.Rf8#
- 1...Rxe2
- 2.Rf2#
- 1...Rg1
- 2.Rf1#
- 1...Rf2
- 2.Rxf2#
- 2.Rf3#
- 2.Rf4#
- 1...Rh2
- 2.Rh5#
- 1...Sc5
- 2.Rxc5#
- 1...Se5
- 2.Rxe5#
- 1...Sf6
- 2.Rxf6#
- 1...Sf8
- 2.Rxf8#
- 1...b2!
- threat
- 1.Sxg3?
- threat
- 2.Rff1#
- 2.Rf2#
- 2.Rf3#
- 2.Rf4#
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Rd5#
- 2.Re5#
- 2.Rg5#
- 2.Rfh5#
- 2.Rf6#
- 2.Rf7#
- 2.Rf8#
- 1...Kb1
- 2.Ra5#
- 1...Rxe2
- 2.Rf2#
- 1...Rg1
- 2.Rf1#
- 1...b2
- 2.Rf3#
- 1...Rf2
- 2.Rxf2#
- 2.Rf3#
- 2.Rf4#
- 1...Rh2
- 2.Rh5#
- 1...Sc5
- 2.Rxc5#
- 1...Se5
- 2.Rxe5#
- 1...Sf6
- 2.Rxf6#
- 1...Sf8
- 2.Rxf8#
- 1...Rxg3!
- threat
- 1.Sc5?
- threat
- 2.Rff1#
- 2.Rf2#
- 2.Rf3#
- 2.Rf4#
- 2.Rd5#
- 2.Re5#
- 2.Rg5#
- 2.Rfh5#
- 2.Rf6#
- 2.Rf7#
- 2.Rf8#
- 1...Rxe2
- 2.Rf2#
- 1...Sxc5
- 2.Rxc5#
- 1...Rg1
- 2.Rf1#
- 1...Rf2
- 2.Rxf2#
- 2.Rf3#
- 2.Rf4#
- 1...Rh2
- 2.Rh5#
- 1...Se5
- 2.Rxe5#
- 1...Sf6
- 2.Rxf6#
- 1...Sf8
- 2.Rxf8#
- 1...Kb1!
- threat
- 1.Sg5?
- threat
- 2.Rff1#
- 2.Rf2#
- 2.Rf3#
- 2.Rf4#
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Rd5#
- 2.Re5#
- 2.Rf6#
- 2.Rf7#
- 2.Rf8#
- 1...Kb1
- 2.Ra5#
- 1...Rxe2
- 2.Rf2#
- 1...Rg1
- 2.Rf1#
- 1...b2
- 2.Rf3#
- 1...Rf2
- 2.Rxf2#
- 2.Rf3#
- 2.Rf4#
- 1...Sc5
- 2.Rxc5#
- 1...Se5
- 2.Rxe5#
- 1...Sf6
- 2.Rxf6#
- 1...Sf8
- 2.Rxf8#
- 1...Rh2!
- threat
- 1.Sf6?
- threat
- 2.Rff1#
- 2.Rf2#
- 2.Rf3#
- 2.Rf4#
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Rd5#
- 2.Re5#
- 2.Rg5#
- 2.Rfh5#
- 1...Kb1
- 2.Ra5#
- 1...Rxe2
- 2.Rf2#
- 1...Sxf6
- 2.Rxf6#
- 1...Rg1
- 2.Rf1#
- 1...b2
- 2.Rf3#
- 1...Rf2
- 2.Rxf2#
- 2.Rf3#
- 2.Rf4#
- 1...Rh2
- 2.Rh5#
- 1...Sc5
- 2.Rxc5#
- 1...Se5
- 2.Rxe5#
- 1...Sf8!
- threat
- 1.Sd2?
- Keys
- 1.Sd6!
- threat
- 2.Rff1#
- 2.Rf2#
- 2.Rf3#
- 2.Rf4#
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Rd5#
- 2.Re5#
- 2.Rg5#
- 2.Rfh5#
- 2.Rf6#
- 2.Rf7#
- 2.Rf8#
- 1...Kb1
- 2.Ra5#
- 1...Rxe2
- 2.Rf2#
- 1...Rg1
- 2.Rf1#
- 1...b2
- 2.Rf3#
- 1...Rf2
- 2.Rxf2#
- 2.Rf3#
- 2.Rf4#
- 1...Rh2
- 2.Rh5#
- 1...Sc5
- 2.Rxc5#
- 1...Se5
- 2.Rxe5#
- 1...Sf6
- 2.Rxf6#
- 1...Sf8
- 2.Rxf8#
- threat
- 1.Sd6!
This anticipates 104340(1980)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 9
- REMOVED MATES = 0
- Sets
- Tries
- Try
- S(E);
- Threat
- DUALS(14)
- Vars
- R(b);::B(G)+R(F)
- S(g);::B(G)+R(F),XS(g)
- Refutation
- R(b);XP(C)
- Try
- S(E);
- Threat
- DUALS(12)
- Vars
- K(a);S_FLIGHT::B(G)+R(F)
- P(d);XS(E)::B(G)+R(F)
- P(c);::B(G)+R(F)
- R(b);::B(G)+R(F)
- S(g);::B(G)+R(F),XS(g)
- Refutation
- R(b);
- Try
- S(E);
- Threat
- DUALS(14)
- Vars
- R(b);XP(C)::B(G)+R(F)
- R(b);::B(G)+R(F)
- S(g);::B(G)+R(F),XS(g)
- Refutation
- P(c);
- Try
- S(E);XP(d)
- Threat
- DUALS(14)
- Vars
- K(a);S_FLIGHT::B(G)+R(F)
- R(b);XP(C)::B(G)+R(F)
- R(b);::B(G)+R(F)
- P(c);::B(G)+R(F)
- S(g);::B(G)+R(F),XS(g)
- Refutation
- R(b);XS(E)
- Try
- S(E);
- Threat
- DUALS(11)
- Vars
- R(b);XP(C)::B(G)+R(F)
- S(g);OGATE,XS(E)::B(G)+R(F),XS(g)
- R(b);::B(G)+R(F)
- S(g);::B(G)+R(F),XS(g)
- Refutation
- K(a);S_FLIGHT
- Try
- S(E);
- Threat
- DUALS(12)
- Vars
- K(a);S_FLIGHT::B(G)+R(F)
- R(b);XP(C)::B(G)+R(F)
- R(b);::B(G)+R(F)
- P(c);::B(G)+R(F)
- S(g);::B(G)+R(F),XS(g)
- Refutation
- R(b);
- Try
- S(E);
- Threat
- DUALS(11)
- Vars
- K(a);S_FLIGHT::B(G)+R(F)
- R(b);XP(C)::B(G)+R(F)
- S(g);OGATE,XS(E)::B(G)+R(F),XS(g)
- R(b);::B(G)+R(F)
- P(c);::B(G)+R(F)
- S(g);::B(G)+R(F),XS(g)
- Refutation
- S(g);
- Try
- Actual
- S(E);
- Threat
- DUALS(14)
- Vars
- K(a);S_FLIGHT::B(G)+R(F)
- R(b);XP(C)::B(G)+R(F)
- R(b);::B(G)+R(F)
- P(c);::B(G)+R(F)
- S(g);::B(G)+R(F),XS(g)
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