MESON Chess Problem Database
Problem Display
PID: 30780 (qQ6/N2R4/8/1pNb4/1r1kpn2/1pR5/1P3P1K/8 w - - 0 1)
Waterhouse, Albert F
Western Weekly News, 1911
#2
8 + 8
| 2638 | White to Play | 1913 |
| 564 | Manchester Evening News | 1922 |
| 15239 | Valois Notebooks | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qc6
- 2.Sxc6#
- 1...Qb7
- 2.Qh8#
- 1...Qxa7
- 2.Qh8#
- 1...Qxb8
- 2.Sc6#
- 1...Ra4
- 2.Sxb3#
- 2.Sxb5#
- 1...Rc4
- 2.Sxb3#
- 1...Se2
- 2.Se6#
- 1...Sg2
- 2.Se6#
- 1...Sd3
- 2.Se6#
- 1...Sh3
- 2.Se6#
- 1...Sh5
- 2.Se6#
- 1...Se6
- 2.Sxe6#
- 1...Sg6
- 2.Se6#
- 1...e3
- 2.Qxf4#
- 2.fxe3#
- 1...Qc6
- Tries
- 1.Kh1?
- 1...Qxa7
- 2.Qh8#
- 1...Qxb8
- 2.Sc6#
- 1...Rc4
- 2.Sxb3#
- 1...Qc6
- 2.Sxc6#
- 1...Qb7
- 2.Qh8#
- 1...Ra4
- 2.Sxb3#
- 2.Sxb5#
- 1...Se2
- 2.Se6#
- 1...Sg2
- 2.Se6#
- 1...Sd3
- 2.Se6#
- 1...Sh3
- 2.Se6#
- 1...Sh5
- 2.Se6#
- 1...Se6
- 2.Sxe6#
- 1...Sg6
- 2.Se6#
- 1...e3+!
- 1...Qxa7
- 1.Sd3?
- threat
- 2.Qe5#
- 2.Qb6#
- 1...Qxa7
- 2.Qe5#
- 2.Qxa7#
- 2.Qh8#
- 1...Qxb8
- 2.Sc6#
- 1...exd3
- 2.Qxf4#
- 1...e3
- 2.Qxf4#
- 2.Qe5#
- 1...Qc6
- 2.Sxc6#
- 2.Qe5#
- 1...Qb7
- 2.Qe5#
- 2.Qh8#
- 1...Rc4
- 2.Sxb5#
- 2.Qe5#
- 1...Se6
- 2.Qe5#
- 1...Sg6
- 2.Qb6#
- 1...Sxd3!
- threat
- 1.Qxf4?
- threat
- 2.Se6#
- 2.Qxe4#
- 2.Qf6#
- 1...Rc4
- 2.Sxb3#
- 2.Se6#
- 1...Qc6
- 2.Sxc6#
- 2.Qxe4#
- 1...Qb8
- 2.Se6#
- 2.Sc6#
- 1...Qd8
- 2.Se6#
- 2.Sc6#
- 2.Qxe4#
- 1...Qe8
- 2.Sc6#
- 1...Qf8
- 2.Se6#
- 2.Sc6#
- 2.Qxe4#
- 1...Qg8
- 2.Sc6#
- 2.Qxe4#
- 2.Qf6#
- 1...Qh8+!
- threat
- 1.Qd6?
- threat
- 2.Qf6#
- 1...Qc6
- 2.Sxc6#
- 1...Qb8
- 2.Sc6#
- 1...Qd8
- 2.Sc6#
- 1...Qe8
- 2.Sc6#
- 1...Qf8
- 2.Sc6#
- 1...Rc4
- 2.Sxb3#
- 2.Sxb5#
- 1...Sd3
- 2.Se6#
- 1...Sh5
- 2.Se6#
- 1...Se6
- 2.Sxe6#
- 1...Sg6
- 2.Se6#
- 1...Qh8+!
- threat
- 1.Qe8?
- threat
- 2.Qxe4#
- 1...Qxe8
- 2.Sc6#
- 1...Rc4
- 2.Sxb3#
- 1...e3
- 2.Qxe3#
- 2.Qe4#
- 2.fxe3#
- 1...Se6!
- threat
- 1.f3?
- 1...Qxa7
- 2.Qh8#
- 1...Qxb8
- 2.Sc6#
- 1...exf3
- 2.Qxf4#
- 1...Rc4
- 2.Sxb3#
- 1...Se2
- 2.Se6#
- 1...Qc6
- 2.Sxc6#
- 1...Qb7
- 2.Qh8#
- 1...Ra4
- 2.Sxb3#
- 2.Sxb5#
- 1...Sg2
- 2.Se6#
- 1...Sh3
- 2.Se6#
- 1...Sh5
- 2.Se6#
- 1...Se6
- 2.Sxe6#
- 1...Sg6
- 2.Se6#
- 1...e3
- 2.Qxf4#
- 1...Sd3!
- 1...Qxa7
- 1.Kh1?
- Keys
- 1.Sb7!
- threat
- 2.Sc6#
- 1...Qxb7
- 2.Qh8#
- 1...Qxa7
- 2.Qh8#
- 1...e3
- 2.Qxf4#
- 1...Rc4
- 2.Sxb5#
- threat
- 1.Sb7!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 9
- Sets
- Q(h);N_GUARD::S(F),XQ(h)
- Q(h);N_GUARD::QAB(H)
- Q(h);N_GUARD,XS(F)::QAB(H)
- Q(h);N_GUARD,XQ(H)::S(F)
- R(b);N_GUARD::S(E),XP(a)
- S(e);N_GUARD::S(E)
- S(e);N_GUARD::S(E),XS(e)
- Tries
- Try
- K(C);P-FLIGHT
- Vars
- Q(h);N_GUARD,XS(F)::QAB(H)
- Q(h);N_GUARD,XQ(H)::S(F)
- R(b);N_GUARD::S(E),XP(a)
- Q(h);N_GUARD::S(F),XQ(h)
- Q(h);N_GUARD::QAB(H)
- S(e);N_GUARD::S(E)
- S(e);N_GUARD::S(E),XS(e)
- Refutation
- P(d);CHECK
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- Q(h);N_GUARD,XQ(H)::S(F)
- P(d);OGATEB,XS(E)::QAR2(H),XS(e)
- S(e);::QAB1(H)
- S(e);::QAB(H)
- Refutation
- S(e);XS(E)
- Try
- Q(H);P_PINP(d),XS(e)
- Threat
- DUALS(3)
- Vars
- Q(h);N_GUARD::S(F)
- Refutation
- Q(h);CHECK
- Try
- Q(H);
- Threat
- QAB(H)
- Vars
- Q(h);N_GUARD::S(F),XQ(h)
- Q(h);N_GUARD::S(F)
- S(e);N_GUARD::S(E)
- S(e);N_GUARD::S(E),XS(e)
- Refutation
- Q(h);CHECK
- Try
- Q(H);
- Threat
- QAR1(H),XP(d)
- Vars
- Q(h);N_GUARD,XQ(H)::S(F)
- R(b);N_GUARD::S(E),XP(a)
- Refutation
- S(e);
- Try
- P(B);
- Vars
- Q(h);N_GUARD,XS(F)::QAB(H)
- Q(h);N_GUARD,XQ(H)::S(F)
- P(d);OGATEB,XP(B)::QAR2(H),XS(e)
- R(b);N_GUARD::S(E),XP(a)
- S(e);N_GUARD::S(E)
- Q(h);N_GUARD::S(F),XQ(h)
- Q(h);N_GUARD::QAB(H)
- S(e);N_GUARD::S(E),XS(e)
- P(d);OGATEB::QAR2(H),XS(e)
- Refutation
- S(e);
- Try
- Actual
- S(E);
- Threat
- S(F)
- Vars
- Q(h);N_GUARD,XS(E)::QAB(H)
- Q(h);N_GUARD,XS(F)::QAB(H)
- P(d);OGATEB::QAR2(H),XS(e)
- R(b);N_GUARD::S(F),XP(f)
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