MESON Chess Problem Database
Problem Display
PID: 87540 (8/7B/8/5n2/5R2/3Nn2k/8/4B1K1 w - - 0 1)
Hillel, Yezekhiel
The Problemist, 1982
#2
5 + 3
| 5454 | Near Snap | 2009 |
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Sd1
- 2.Bxf5#
- 1...Sf1
- 2.Bxf5#
- 1...Sc2
- 2.Bxf5#
- 1...Sg2
- 2.Bxf5#
- 1...Sc4
- 2.Bxf5#
- 1...Sd5
- 2.Bxf5#
- 1...Sg3
- 2.Sf2#
- 1...Sd4
- 2.Rh4#
- 1...Sh4
- 2.Rxh4#
- 1...Sd6
- 2.Rh4#
- 1...Sh6
- 2.Rh4#
- 1...Se7
- 2.Rh4#
- 1...Sg7
- 2.Rh4#
- 1...Sd1
- Tries
- 1.Bxf5+?
- 1...Sg4
- 2.Bxg4#
- 2.Rf3#
- 1...Sxf5!
- 1...Sg4
- 1.Bg6?
- 1...Sd1
- 2.Bxf5#
- 1...Sf1
- 2.Bxf5#
- 1...Sc2
- 2.Bxf5#
- 1...Sg2
- 2.Bxf5#
- 1...Sc4
- 2.Bxf5#
- 1...Sd5
- 2.Bxf5#
- 1...Sg3
- 2.Sf2#
- 1...Sd4
- 2.Rh4#
- 1...Sh4
- 2.Rxh4#
- 1...Sd6
- 2.Rh4#
- 1...Sh6
- 2.Rh4#
- 1...Se7
- 2.Rh4#
- 1...Sg7
- 2.Rh4#
- 1...Sg4!
- 1...Sd1
- 1.Ra4?
- 1...Sc4
- 2.Bxf5#
- 1...Sg4
- 2.Sf4#
- 1...Sd1
- 2.Bxf5#
- 1...Sf1
- 2.Bxf5#
- 1...Sc2
- 2.Bxf5#
- 1...Sg2
- 2.Bxf5#
- 1...Sd5
- 2.Bxf5#
- 1...Sg3
- 2.Sf2#
- 1...Sh4
- 2.Rxh4#
- 1...Sd6
- 2.Rh4#
- 1...Sh6
- 2.Rh4#
- 1...Se7
- 2.Rh4#
- 1...Sg7
- 2.Rh4#
- 1...Sd4!
- 1...Sc4
- 1.Rb4?
- 1...Sc4
- 2.Bxf5#
- 1...Sg4
- 2.Sf4#
- 1...Sd1
- 2.Bxf5#
- 1...Sf1
- 2.Bxf5#
- 1...Sc2
- 2.Bxf5#
- 1...Sg2
- 2.Bxf5#
- 1...Sd5
- 2.Bxf5#
- 1...Sg3
- 2.Sf2#
- 1...Sh4
- 2.Rxh4#
- 1...Sd6
- 2.Rh4#
- 1...Sh6
- 2.Rh4#
- 1...Se7
- 2.Rh4#
- 1...Sg7
- 2.Rh4#
- 1...Sd4!
- 1...Sc4
- 1.Rc4?
- 1...Sxc4
- 2.Bxf5#
- 1...Sg4
- 2.Sf4#
- 1...Sd1
- 2.Bxf5#
- 1...Sf1
- 2.Bxf5#
- 1...Sc2
- 2.Bxf5#
- 1...Sg2
- 2.Bxf5#
- 1...Sd5
- 2.Bxf5#
- 1...Sg3
- 2.Sf2#
- 1...Sh4
- 2.Rxh4#
- 1...Sd6
- 2.Rh4#
- 1...Sh6
- 2.Rh4#
- 1...Se7
- 2.Rh4#
- 1...Sg7
- 2.Rh4#
- 1...Sd4!
- 1...Sxc4
- 1.Rd4?
- 1...Sg4
- 2.Sf4#
- 1...Sd1
- 2.Bxf5#
- 1...Sf1
- 2.Bxf5#
- 1...Sc2
- 2.Bxf5#
- 1...Sg2
- 2.Bxf5#
- 1...Sc4
- 2.Bxf5#
- 1...Sd5
- 2.Bxf5#
- 1...Sg3
- 2.Sf2#
- 1...Sh4
- 2.Rxh4#
- 1...Sd6
- 2.Rh4#
- 1...Sh6
- 2.Rh4#
- 1...Se7
- 2.Rh4#
- 1...Sg7
- 2.Rh4#
- 1...Sxd4!
- 1...Sg4
- 1.Bxf5+?
- Keys
- 1.Re4!
- 1...Sg4
- 2.Sf4#
- 1...Sd1
- 2.Bxf5#
- 1...Sf1
- 2.Bxf5#
- 1...Sc2
- 2.Bxf5#
- 1...Sg2
- 2.Bxf5#
- 1...Sc4
- 2.Bxf5#
- 1...Sd5
- 2.Bxf5#
- 1...Sg3
- 2.Sf2#
- 1...Sd4
- 2.Rh4#
- 1...Sh4
- 2.Rxh4#
- 1...Sd6
- 2.Rh4#
- 1...Sh6
- 2.Rh4#
- 1...Se7
- 2.Rh4#
- 1...Sg7
- 2.Rh4#
- 1...Sg4
- 1.Re4!
Anticipated by 11234(1937), 96981(1949), 184(1950)
This anticipates 74728(1990)
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD::B(E),XS(c)
- S(c);SBLOCK::S(C)
- S(c);N_GUARD::R1(D)
- S(c);N_GUARD::R1(D),XS(c)
- Tries
- Try
- B(E);CHECK,XS(c)
- Refutation
- S(a);XB(E)
- Try
- B(E);
- Vars
- S(a);N_GUARD::B(E),XS(c)
- S(c);SBLOCK::S(C)
- S(c);N_GUARD::R1(D)
- S(c);N_GUARD::R1(D),XS(c)
- Refutation
- S(a);
- Try
- R(D);
- Vars
- S(a);N_GUARD::B(E),XS(c)
- S(a);SBLOCK::S(C)
- S(c);SBLOCK::S(C)
- S(c);N_GUARD::R1(D),XS(c)
- S(c);N_GUARD::R1(D)
- Refutation
- S(c);
- Try
- R(D);
- Vars
- S(a);N_GUARD::B(E),XS(c)
- S(a);SBLOCK::S(C)
- S(c);SBLOCK::S(C)
- S(c);N_GUARD::R1(D),XS(c)
- S(c);N_GUARD::R1(D)
- Refutation
- S(c);
- Try
- R(D);
- Vars
- S(a);N_GUARD,XR(D)::B(E),XS(c)
- S(a);SBLOCK::S(C)
- S(a);N_GUARD::B(E),XS(c)
- S(c);SBLOCK::S(C)
- S(c);N_GUARD::R1(D),XS(c)
- S(c);N_GUARD::R1(D)
- Refutation
- S(c);
- Try
- R(D);
- Vars
- S(a);SBLOCK::S(C)
- S(a);N_GUARD::B(E),XS(c)
- S(c);SBLOCK::S(C)
- S(c);N_GUARD::R1(D),XS(c)
- S(c);N_GUARD::R1(D)
- Refutation
- S(c);XR(D)
- Try
- Actual
- R(D);
- Vars
- S(a);SBLOCK::S(C)
- S(a);N_GUARD::B(E),XS(c)
- S(c);SBLOCK::S(C)
- S(c);N_GUARD::R1(D)
- S(c);N_GUARD::R1(D),XS(c)
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