MESON Chess Problem Database
Problem Display
PID: 162005 (8/1N6/1R1pp3/Nppk1n2/4nP2/2P5/2p2pQ1/2K2B2 w - - 0 1)
Sumner, Christopher Richard Benson
The Observer, 1923
(First published on Sun Dec 9 1923)
#2
8 + 9
| 15239 | Valois Notebooks | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Se3
- 2.Rxd6#
- 1...Sg3
- 2.Rxd6#
- 1...Sd4
- 2.Rxd6#
- 1...Sh4
- 2.Rxd6#
- 1...Sh6
- 2.Rxd6#
- 1...Se7
- 2.Rxd6#
- 1...Sg7
- 2.Rxd6#
- 1...b4
- 2.Bc4#
- 1...c4
- 2.Rxb5#
- 1...e5
- 2.Qg8#
- 1...Se3
- Tries
- 1.Sb3?
- 1...e5
- 2.Qg8#
- 1...Se3
- 2.Rxd6#
- 1...Sg3
- 2.Rxd6#
- 1...Sd4
- 2.Rxd6#
- 1...Sh4
- 2.Rxd6#
- 1...Sh6
- 2.Rxd6#
- 1...Se7
- 2.Rxd6#
- 1...Sg7
- 2.Rxd6#
- 1...b4
- 2.c4#
- 1...c4!
- 1...e5
- 1.Ra6?
- 1...e5
- 2.Qg8#
- 1...Se3
- 2.Rxd6#
- 1...Sg3
- 2.Rxd6#
- 1...Sd4
- 2.Rxd6#
- 1...Sh4
- 2.Rxd6#
- 1...Sh6
- 2.Rxd6#
- 1...Se7
- 2.Rxd6#
- 1...Sg7
- 2.Rxd6#
- 1...b4
- 2.Bc4#
- 1...c4!
- 1...e5
- 1.Rc6?
- 1...e5
- 2.Qg8#
- 1...Se3
- 2.Rxd6#
- 1...Sg3
- 2.Rxd6#
- 1...Sd4
- 2.Rxd6#
- 1...Sh4
- 2.Rxd6#
- 1...Sh6
- 2.Rxd6#
- 1...Se7
- 2.Rxd6#
- 1...Sg7
- 2.Rxd6#
- 1...b4
- 2.Bc4#
- 1...c4!
- 1...e5
- 1.Qh1?
- 1...c4
- 2.Rxb5#
- 1...Se3
- 2.Rxd6#
- 1...Sg3
- 2.Rxd6#
- 1...Sd4
- 2.Rxd6#
- 1...Sh4
- 2.Rxd6#
- 1...Sh6
- 2.Rxd6#
- 1...Se7
- 2.Rxd6#
- 1...Sg7
- 2.Rxd6#
- 1...b4
- 2.Bc4#
- 1...e5!
- 1...c4
- 1.Qf3?
- 1...c4
- 2.Rxb5#
- 1...Se3
- 2.Rxd6#
- 1...Sg3
- 2.Rxd6#
- 2.Qd3#
- 1...Sd4
- 2.Rxd6#
- 1...Sh4
- 2.Rxd6#
- 2.Qd3#
- 1...Sh6
- 2.Rxd6#
- 2.Qd3#
- 1...Se7
- 2.Rxd6#
- 2.Qd3#
- 1...Sg7
- 2.Rxd6#
- 2.Qd3#
- 1...b4
- 2.Bc4#
- 1...e5!
- 1...c4
- 1.Sb3?
- Keys
- 1.Sc6!
- 1...e5
- 2.Qg8#
- 1...Se3
- 2.Se7#
- 1...Sg3
- 2.Se7#
- 1...Sd4
- 2.Se7#
- 1...Sh4
- 2.Se7#
- 1...Sh6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...Sg7
- 2.Se7#
- 1...b4
- 2.c4#
- 1...c4
- 2.Sb4#
- 1...e5
- 1.Sc6!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 9
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- S(g);N_GUARD::R1(G),XP(h)
- P(d);N_GUARD::B(B)
- P(e);OGATEB::R(G),XP(d)
- P(i);OGATEB::QAB(C)
- Tries
- Try
- S(F);
- Vars
- P(i);OGATEB::QAB(C)
- S(g);N_GUARD::R1(G),XP(h)
- P(d);N_GUARD::P(D)
- Refutation
- P(e);
- Try
- R(G);
- Vars
- P(i);OGATEB::QAB(C)
- S(g);N_GUARD::R1(G),XP(h)
- P(d);N_GUARD::B(B)
- Refutation
- P(e);
- Try
- R(G);
- Vars
- P(i);OGATEB::QAB(C)
- S(g);N_GUARD::R1(G),XP(h)
- P(d);N_GUARD::B(B)
- Refutation
- P(e);
- Try
- Q(C);
- Vars
- P(e);OGATEB::R(G),XP(d)
- S(g);N_GUARD::R1(G),XP(h)
- P(d);N_GUARD::B(B)
- Refutation
- P(i);
- Try
- Q(C);
- Vars
- P(e);OGATEB::R(G),XP(d)
- S(g);N_GUARD::R1(G),XP(h)
- P(d);N_GUARD::B(B)
- Refutation
- P(i);
- Try
- Actual
- S(F);
- Vars
- P(i);OGATEB::QAB(C)
- S(g);N_GUARD::S(F)
- S(g);N_GUARD::S(F),XS(g)
- P(d);N_GUARD::P(D)
- P(e);N_GUARD::S(F)
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