MESON Chess Problem Database
Problem Display
PID: 202615 (8/1N2K3/8/R2rkb2/8/4P1N1/8/8 w - - 0 1)
Keysor, William Ellis
Brisbane Courier, 1923
#2
5 + 3
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Rb5
- 2.Rxb5#
- 1...Rc5
- 2.Rxc5#
- 1...Rb5
- Tries
- 1.Sd6?
- threat
- 2.Sc4#
- 2.Sf7#
- 1...Rb5
- 2.Rxb5#
- 1...Rc5
- 2.Rxc5#
- 1...Bd3
- 2.Sf7#
- 1...Be6
- 2.Sc4#
- 1...Bg6
- 2.Sc4#
- 1...Rxa5!
- threat
- 1.Sd8?
- threat
- 2.Sc6#
- 2.Sf7#
- 1...Rb5
- 2.Rxb5#
- 1...Rc5
- 2.Rxc5#
- 1...Be6
- 2.Sc6#
- 1...Bg6
- 2.Sc6#
- 1...Bd7
- 2.Sf7#
- 1...Rxa5!
- threat
- 1.Sd6?
- Keys
- 1.Sc5!
- 1...Rd7+
- 2.Sxd7#
- 1...Rxc5
- 2.Rxc5#
- 1...Rd1
- 2.Sd3#
- 2.Sd7#
- 1...Rd2
- 2.Sd3#
- 2.Sd7#
- 1...Rd3
- 2.Sxd3#
- 2.Sd7#
- 1...Rd4
- 2.Sd3#
- 2.Sd7#
- 1...Rd6
- 2.Sd3#
- 2.Sd7#
- 1...Rd8
- 2.Sd3#
- 2.Sd7#
- 1...Bb1
- 2.Sd7#
- 1...Bc2
- 2.Sd7#
- 1...Bd3
- 2.Sxd3#
- 2.Sd7#
- 1...Bh3
- 2.Sd3#
- 1...Be4
- 2.Sd7#
- 1...Bg4
- 2.Sd3#
- 1...Be6
- 2.Sd3#
- 1...Bg6
- 2.Sd7#
- 1...Bd7
- 2.Sd3#
- 2.Sxd7#
- 1...Bh7
- 2.Sd7#
- 1...Bc8
- 2.Sd3#
- 1...Rd7+
- 1.Sc5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 10
- REMOVED MATES = 1
- Sets
- R(a);OGATEB::R(C),XR(a)
- Tries
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- R(a);OGATEB::R(C),XR(a)
- B(c);::S(D)
- Refutation
- R(a);N_SPINR(a),XR(C)
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- R(a);OGATEB::R(C),XR(a)
- B(c);::S(D)
- Refutation
- R(a);N_SPINR(a),XR(C)
- Try
- Actual
- S(D);N_PINR(a)
- Vars
- R(a);CHECK::R(C)+S(D),DCHECK,XR(a)
- R(a);OGATE,P_SPINR(a),XS(D)::R(C),XR(a)
- B(c);N_GUARD::S(D)
Developed and maintained by Brian Stephenson.
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