MESON Chess Problem Database
Problem Display
PID: 1150 (4N3/3R2B1/2n3p1/6K1/1n2k3/5p2/3P4/5B2 w - - 0 1)
Shire, David J
Problem Observer, 1988
#2
6 + 5
| 3310 | 2345 Chess Problems | 1997 |
| 5454 | Near Snap | 2007 |
SOLUTION
- SOUND
- Sets
- 1...Sa2
- 2.Bd3#
- 1...Sc2
- 2.Bd3#
- 1...Sd3
- 2.Bxd3#
- 1...Sd5
- 2.Sd6#
- 1...Sa6
- 2.Bd3#
- 1...Sd4
- 2.Rxd4#
- 1...Sa5
- 2.Rd4#
- 1...Se5
- 2.Sf6#
- 1...Sa7
- 2.Rd4#
- 1...Se7
- 2.Rd4#
- 1...Sb8
- 2.Rd4#
- 1...Sd8
- 2.Rd4#
- 1...f2
- 2.Bg2#
- 1...Sa2
- Tries
- 1.Bc4?
- threat
- 2.Sd6#
- 1...Se5
- 2.Sf6#
- 1...f2!
- threat
- 1.Bb5?
- 1...Sa2
- 2.Bd3#
- 2.Bxc6#
- 1...Sc2
- 2.Bd3#
- 2.Bxc6#
- 1...Sd3
- 2.Bxd3#
- 2.Bxc6#
- 1...Sd5
- 2.Sd6#
- 1...Sa6
- 2.Bd3#
- 2.Bxc6#
- 1...Sd4
- 2.Rxd4#
- 1...Sa5
- 2.Rd4#
- 1...Se5
- 2.Sf6#
- 1...Sa7
- 2.Rd4#
- 1...Se7
- 2.Rd4#
- 1...Sb8
- 2.Rd4#
- 1...Sd8
- 2.Rd4#
- 1...f2!
- 1...Sa2
- 1.Ba1?
- threat
- 2.Sf6#
- 1...f2
- 2.Bg2#
- 1...Sd5
- 2.Sd6#
- 1...Sd4!
- threat
- 1.Bb2?
- threat
- 2.Sf6#
- 1...f2
- 2.Bg2#
- 1...Sd5
- 2.Sd6#
- 1...Sd4!
- threat
- 1.Bc3?
- threat
- 2.Sf6#
- 1...f2
- 2.Bg2#
- 1...Sd5
- 2.Sd6#
- 1...Sd4!
- threat
- 1.Bf6?
- 1...f2
- 2.Bg2#
- 1...Sa2
- 2.Bd3#
- 1...Sc2
- 2.Bd3#
- 1...Sd3
- 2.Bxd3#
- 1...Sd5
- 2.Sd6#
- 1...Sa6
- 2.Bd3#
- 1...Sd4
- 2.Rxd4#
- 1...Sa5
- 2.Rd4#
- 1...Sa7
- 2.Rd4#
- 1...Se7
- 2.Rd4#
- 1...Sb8
- 2.Rd4#
- 1...Sd8
- 2.Rd4#
- 1...Se5!
- 1...f2
- 1.Rd3?
- threat
- 2.Sd6#
- 1...Sd4
- 2.Rxd4#
- 1...Sxd3!
- threat
- 1.Rd5?
- threat
- 2.Sf6#
- 1...Sxd5
- 2.Sd6#
- 1...f2
- 2.Bg2#
- 1...Kxd5!
- threat
- 1.Rd6?
- 1...f2
- 2.Bg2#
- 1...Se5
- 2.Sf6#
- 1...Sa2
- 2.Bd3#
- 1...Sc2
- 2.Bd3#
- 1...Sd3
- 2.Bxd3#
- 1...Sa6
- 2.Bd3#
- 1...Sd4
- 2.Rxd4#
- 1...Sa5
- 2.Rd4#
- 1...Sa7
- 2.Rd4#
- 1...Se7
- 2.Rd4#
- 1...Sb8
- 2.Rd4#
- 1...Sd8
- 2.Rd4#
- 1...Sd5!
- 1...f2
- 1.Rd8?
- 1...f2
- 2.Bg2#
- 1...Se5
- 2.Sf6#
- 1...Sa2
- 2.Bd3#
- 1...Sc2
- 2.Bd3#
- 1...Sd3
- 2.Bxd3#
- 1...Sd5
- 2.Sd6#
- 1...Sa6
- 2.Bd3#
- 1...Sd4
- 2.Rxd4#
- 1...Sa5
- 2.Rd4#
- 1...Sa7
- 2.Rd4#
- 1...Se7
- 2.Rd4#
- 1...Sb8
- 2.Rd4#
- 1...Sxd8!
- 1...f2
- 1.Bc4?
- Keys
- 1.Bh8!
- 1...f2
- 2.Bg2#
- 1...Se5
- 2.Sf6#
- 1...Sa2
- 2.Bd3#
- 1...Sc2
- 2.Bd3#
- 1...Sd3
- 2.Bxd3#
- 1...Sd5
- 2.Sd6#
- 1...Sa6
- 2.Bd3#
- 1...Sd4
- 2.Rxd4#
- 1...Sa5
- 2.Rd4#
- 1...Sa7
- 2.Rd4#
- 1...Se7
- 2.Rd4#
- 1...Sb8
- 2.Rd4#
- 1...Sd8
- 2.Rd4#
- 1...f2
- 1.Bh8!
Anticipated by 12125(1975)
This anticipates 144180(1994)
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- S(b);N_GUARD::B(A)
- S(b);N_GUARD::B(A),XS(b)
- S(b);SBLOCK::S(F)
- S(d);N_GUARD::R1(D),XS(d)
- S(d);N_GUARD::R1(D)
- S(d);SBLOCK::S(F)
- P(a);OGATEB::B(A)
- Tries
- Try
- B(A);
- Threat
- S(F)
- Vars
- S(d);SBLOCK::S(F)
- Refutation
- P(a);
- Try
- B(A);
- Vars
- S(b);SBLOCK::S(F)
- S(d);N_GUARD::R1(D),XS(d)
- S(d);N_GUARD::R1(D)
- S(d);SBLOCK::S(F)
- Refutation
- P(a);
- Try
- B(E);
- Threat
- S(F)
- Vars
- P(a);OGATEB::B(A)
- S(b);SBLOCK::S(F)
- Refutation
- S(d);
- Try
- B(E);
- Threat
- S(F)
- Vars
- P(a);OGATEB::B(A)
- S(b);SBLOCK::S(F)
- Refutation
- S(d);
- Try
- B(E);
- Threat
- S(F)
- Vars
- P(a);OGATEB::B(A)
- S(b);SBLOCK::S(F)
- Refutation
- S(d);
- Try
- B(E);
- Vars
- P(a);OGATEB::B(A)
- S(b);N_GUARD::B(A)
- S(b);N_GUARD::B(A),XS(b)
- S(b);SBLOCK::S(F)
- S(d);N_GUARD::R1(D),XS(d)
- S(d);N_GUARD::R1(D)
- Refutation
- S(d);
- Try
- R(D);
- Threat
- S(F)
- Vars
- S(d);N_GUARD::R1(D),XS(d)
- Refutation
- S(b);XR(D)
- Try
- R(D);
- Threat
- S(F)
- Vars
- S(b);SBLOCK,XR(D)::S(F)
- P(a);OGATEB::B(A)
- Refutation
- K(c);S_FLIGHT,XR(D)
- Try
- R(D);
- Vars
- P(a);OGATEB::B(A)
- S(d);SBLOCK::S(F)
- S(b);N_GUARD::B(A)
- S(b);N_GUARD::B(A),XS(b)
- S(d);N_GUARD::R1(D),XS(d)
- S(d);N_GUARD::R1(D)
- Refutation
- S(b);
- Try
- R(D);
- Vars
- P(a);OGATEB::B(A)
- S(d);SBLOCK::S(F)
- S(b);N_GUARD::B(A)
- S(b);N_GUARD::B(A),XS(b)
- S(b);SBLOCK::S(F)
- S(d);N_GUARD::R1(D),XS(d)
- S(d);N_GUARD::R1(D)
- Refutation
- S(d);XR(D)
- Try
- Actual
- B(E);
- Vars
- P(a);OGATEB::B(A)
- S(d);SBLOCK::S(F)
- S(b);N_GUARD::B(A)
- S(b);N_GUARD::B(A),XS(b)
- S(b);SBLOCK::S(F)
- S(d);N_GUARD::R1(D),XS(d)
- S(d);N_GUARD::R1(D)
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