MESON Chess Problem Database
Problem Display
PID: 109719 (8/3NB3/6pK/1P1k2p1/r1nrnb2/3N3B/8/1Q6 w - - 0 1)
Williams, Philip Hamilton
1st Prize, English Mechanic and World of Science, 1892
(First published on Fri Jun 3 1892)
#2
7 + 8
| 15 | British Chess Magazine | 1892 |
| 6490 | yacpdb | 2009 |
| 15239 | Valois Notebooks | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Sb4#
- 1...Ra2
- 2.Sb4#
- 1...Ra3
- 2.Sb4#
- 1...Rb4
- 2.Sxb4#
- 1...Ra5
- 2.Sb4#
- 1...Ra6
- 2.Sb4#
- 1...Ra7
- 2.Sb4#
- 1...Ra8
- 2.Sb4#
- 1...Rxd3
- 2.Qxd3#
- 1...Sb2
- 2.Sb6#
- 1...Scd2
- 2.Sb6#
- 1...Sa3
- 2.Sb6#
- 1...Se3
- 2.Sb6#
- 1...Sa5
- 2.Sb6#
- 1...Se5
- 2.Sb6#
- 1...Sb6
- 2.Sxb6#
- 1...Scd6
- 2.Sb6#
- 1...Sed2
- 2.Sf6#
- 1...Sf2
- 2.Sf6#
- 1...Sc3
- 2.Sf6#
- 1...Sg3
- 2.Sf6#
- 1...Sc5
- 2.Sf6#
- 1...Sed6
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...g4+
- 2.Sxf4#
- 1...Ra1
- Tries
- 1.Qb3?
- threat
- 2.Sb6#
- 1...g4+
- 2.Sxf4#
- 1...Rxd3
- 2.Qxd3#
- 1...Sd2
- 2.Sf6#
- 1...Sf2
- 2.Sf6#
- 1...Sc3
- 2.Sf6#
- 1...Sg3
- 2.Sf6#
- 1...Sc5
- 2.Sf6#
- 1...Sd6
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Ra6
- 2.Sb4#
- 1...Bc7!
- threat
- 1.Qb3?
- Keys
- 1.Qf1!
- 1...g4+
- 2.Sxf4#
- 1...Rxd3
- 2.Qxd3#
- 1...Sb2
- 2.Sb6#
- 1...Scd2
- 2.Sb6#
- 1...Sa3
- 2.Sb6#
- 1...Se3
- 2.Sb6#
- 1...Sa5
- 2.Sb6#
- 1...Se5
- 2.Sb6#
- 1...Sb6
- 2.Sxb6#
- 1...Scd6
- 2.Sb6#
- 1...Sed2
- 2.Sf6#
- 1...Sf2
- 2.Sf6#
- 1...Sc3
- 2.Sf6#
- 1...Sg3
- 2.Sf6#
- 1...Sc5
- 2.Sf6#
- 1...Sed6
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Bc1
- 2.Qf7#
- 1...Ra1
- 2.Sb4#
- 1...Ra2
- 2.Sb4#
- 1...Ra3
- 2.Sb4#
- 1...Rb4
- 2.Sxb4#
- 1...Ra5
- 2.Sb4#
- 1...Ra6
- 2.Sb4#
- 1...Ra7
- 2.Sb4#
- 1...Ra8
- 2.Sb4#
- 1...Bd2
- 2.Qf7#
- 1...Bh2
- 2.Qf7#
- 1...Be3
- 2.Qf7#
- 1...Bg3
- 2.Qf7#
- 1...Be5
- 2.Qf7#
- 1...Bd6
- 2.Qf7#
- 1...Bc7
- 2.Qf7#
- 1...Bb8
- 2.Qf7#
- 1...g4+
- 1.Qf1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 9
- REMOVED MATES = 0
- Sets
- R(a);N_GUARD::S(B)
- R(a);N_GUARD::S(B),XR(a)
- R(c);OGATE,XS(B)::QAR2(A),XR(c)
- S(b);N_GUARD::S(F)
- S(b);N_GUARD::S(F),XS(b)
- S(d);N_GUARD::S(F)
- S(d);N_GUARD::S(F),XS(d)
- P(g);CHECK,N_GUARD::S(B),XB(e)
- Tries
- Try
- Q(A);P_PINS(b)
- Threat
- S(F)
- Vars
- P(g);CHECK,N_GUARD::S(B),XB(e)
- R(c);OGATE,XS(B)::QAR2(A),XR(c)
- S(d);N_GUARD::S(F)
- S(d);N_GUARD::S(F),XS(d)
- R(a);N_GUARD::S(B)
- Refutation
- B(e);
- Try
- Actual
- Q(A);
- Vars
- P(g);CHECK,N_GUARD::S(B),XB(e)
- R(c);OGATE,XS(B)::QAR2(A),XR(c)
- S(b);N_GUARD::S(F)
- S(b);N_GUARD::S(F),XS(b)
- S(d);N_GUARD::S(F)
- S(d);N_GUARD::S(F),XS(d)
- B(e);OGATE::QAB(A)
- R(a);N_GUARD::S(B)
- R(a);N_GUARD::S(B),XR(a)
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