MESON Chess Problem Database
Problem Display
PID: 36423 (3r4/2rnQ3/N1p1q2b/2N5/P1k2nP1/8/2P3BK/B1R5 w - - 0 1)
Smith, James Alfred John
Recomm., BCF 007. Ty., 1931-1932
#2
10 + 8
SOLUTION
- SOUND
- Sets
- 1...Qxg4
- 2.Qe4#
- 1...Qf7
- 2.Qe4#
- 1...Qg8
- 2.Qe4#
- 1...Qe4
- 2.Qxe4#
- 1...Se2
- 2.Qxe6#
- 1...Sxg2
- 2.Qxe6#
- 1...Sd3
- 2.Qxe6#
- 2.cxd3#
- 1...Sh3
- 2.Qxe6#
- 1...Sh5
- 2.Qxe6#
- 1...Sg6
- 2.Qxe6#
- 1...Sxc5
- 2.Qxc5#
- 1...Qxg4
- Tries
- 1.Sb3?
- threat
- 2.Sd2#
- 2.Sa5#
- 2.Qb4#
- 1...Qxe7
- 2.Sd2#
- 2.Sa5#
- 1...Sxg2
- 2.Qxe6#
- 1...Qe4
- 2.Qxe4#
- 1...Qd5
- 2.Qb4#
- 1...Qf5
- 2.Sd2#
- 2.Qb4#
- 1...Qe2
- 2.Sa5#
- 2.Qb4#
- 1...Qe3
- 2.Sa5#
- 2.Qb4#
- 1...Qe5
- 2.Sd2#
- 2.Qb4#
- 1...Qd6
- 2.Sa5#
- 1...Rb7
- 2.Sd2#
- 2.Sa5#
- 1...Rb8
- 2.Sd2#
- 2.Sa5#
- 1...Bf8
- 2.Sd2#
- 2.Sa5#
- 1...Se2
- 2.Sa5#
- 2.Qb4#
- 2.Qxe6#
- 1...Sd3
- 2.Sa5#
- 2.Qxe6#
- 1...Sh3
- 2.Sa5#
- 2.Qb4#
- 2.Qxe6#
- 1...Sd5
- 2.Sa5#
- 1...Sh5
- 2.Sa5#
- 2.Qb4#
- 2.Qxe6#
- 1...Sg6
- 2.Sa5#
- 2.Qb4#
- 2.Qxe6#
- 1...Sc5
- 2.Sa5#
- 2.Qxc5#
- 1...Se5
- 2.Sa5#
- 2.Qb4#
- 2.Qc5#
- 1...Sb6
- 2.Sa5#
- 2.Qb4#
- 2.Qc5#
- 1...Sf6
- 2.Sa5#
- 2.Qb4#
- 2.Qc5#
- 1...Sb8
- 2.Sa5#
- 2.Qb4#
- 2.Qc5#
- 1...Sf8
- 2.Sa5#
- 2.Qb4#
- 2.Qc5#
- 1...c5
- 2.Sd2#
- 2.Sa5#
- 1...Qe1!
- threat
- 1.Sb7?
- threat
- 2.Sa5#
- 2.Qb4#
- 1...Qxe7
- 2.Sa5#
- 1...Sxg2
- 2.Qxe6#
- 1...Qe4
- 2.Qxe4#
- 1...Qe1
- 2.Sd6#
- 1...Qd5
- 2.Qb4#
- 1...Qf5
- 2.Sd6#
- 2.Qb4#
- 1...Qe5
- 2.Qb4#
- 1...Qd6
- 2.Sa5#
- 2.Sxd6#
- 1...Bf8
- 2.Sa5#
- 1...Sd3
- 2.Sa5#
- 2.Qxe6#
- 1...Sd5
- 2.Sa5#
- 1...Sc5
- 2.Sa5#
- 2.Qxc5#
- 1...c5
- 2.Sa5#
- 1...Rxb7!
- threat
- 1.Sxd7?
- threat
- 2.Sb6#
- 2.Qb4#
- 2.Qc5#
- 1...Qxd7
- 2.Qb4#
- 2.Qc5#
- 1...Qxe7
- 2.Sb6#
- 1...Rcxd7
- 2.Qb4#
- 2.Qc5#
- 1...Rdxd7
- 2.Qb4#
- 2.Qc5#
- 1...Sxg2
- 2.Sb6#
- 2.Qc5#
- 2.Qxe6#
- 1...Qe4
- 2.Sb6#
- 2.Qc5#
- 2.Qxe4#
- 1...Qe1
- 2.Sb6#
- 2.Qc5#
- 1...Qd5
- 2.Sb6#
- 2.Qb4#
- 1...Qf5
- 2.Sb6#
- 2.Qb4#
- 1...Qe3
- 2.Qb4#
- 1...Qe5
- 2.Sxe5#
- 2.Sb6#
- 2.Qb4#
- 1...Qd6
- 2.Sb6#
- 1...Rb7
- 2.Qc5#
- 1...Rb8
- 2.Qc5#
- 1...Bf8
- 2.Sb6#
- 1...Sd3
- 2.Sb6#
- 2.Qxe6#
- 1...Sd5
- 2.Qc5#
- 1...c5!
- threat
- 1.Bf1+?
- 1...Kd5
- 2.Sb4#
- 2.Sxc7#
- 2.c4#
- 1...Se2
- 2.Qxe6#
- 1...Sd3
- 2.Qxe6#
- 1...Qe2+!
- 1...Kd5
- 1.Qxe6+?
- 1...Sd5
- 2.Bf1#
- 2.Qe2#
- 2.Qe4#
- 1...Sxe6!
- 1...Sd5
- 1.Sb3?
- Keys
- 1.Se4!
- threat
- 2.Sd2#
- 1...Kd5
- 2.c4#
- 1...Qxe4
- 2.Qxe4#
- 1...Sxg2
- 2.Qxe6#
- 1...Qd5
- 2.Qb4#
- 1...Qd6
- 2.Sxd6#
- 1...Se2
- 2.Qxe6#
- 1...Sd3
- 2.Qxe6#
- 1...Sh3
- 2.Qxe6#
- 1...Sd5
- 2.Bf1#
- 1...Sh5
- 2.Qxe6#
- 1...Sg6
- 2.Qxe6#
- 1...Sc5
- 2.Qxc5#
- 1...Se5
- 2.Qc5#
- 1...Sb6
- 2.Qc5#
- 1...Sf6
- 2.Qc5#
- 1...Sb8
- 2.Qc5#
- 1...Sf8
- 2.Qc5#
- threat
- 1.Se4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 10
- REMOVED MATES = 3
- Sets
- Q(d);OGATE,XP(G)::QAR2(J)
- Q(d);OGATE::QAR2(J)
- Q(d);OGATE::QAR2(J),XQ(d)
- S(b);N_GUARD::QAB(J),XQ(d)
- S(b);N_GUARD,XB(D)::QAB(J),XQ(d)
- S(g);OGATE,XS(H)::QAR1(J),XS(g)
- Tries
- Try
- S(H);
- Threat
- DUALS(3)
- Vars
- S(b);N_GUARD,XB(D)::QAB(J),XQ(d)
- Q(d);OGATE::QAR2(J),XQ(d)
- Q(d);::QAR1(J)
- Q(d);::S(H)
- S(b);::S(H)
- Refutation
- Q(d);
- Try
- S(H);
- Threat
- DUALS(2)
- Vars
- Q(d);XQ(J)::S(H)
- S(b);N_GUARD,XB(D)::QAB(J),XQ(d)
- Q(d);OGATE::QAR2(J),XQ(d)
- Q(d);N_GUARD::S(H)
- Q(d);::QAR1(J)
- B(e);::S(H)
- S(b);::S(H)
- P(c);::S(H)
- Refutation
- R(f);XS(H)
- Try
- S(H);XS(g)
- Threat
- DUALS(3)
- Vars
- Q(d);XQ(J)::S(H)
- Q(d);::QAR1(J)
- Q(d);::S(H)
- R(f);::QAR1(J)
- R(h);::QAR1(J)
- B(e);::S(H)
- S(b);::QAR1(J)
- Refutation
- P(c);
- Try
- B(D);CHECK
- Vars
- S(b);P_SPINS(b)::QAB(J),XQ(d)
- Refutation
- Q(d);CHECK,P_SPINQ(d)
- Try
- Q(J);CHECK,XQ(d)
- Refutation
- S(b);XQ(J)
- Try
- Actual
- S(H);
- Threat
- S(H)
- Vars
- K(a);OGATE,S_FLIGHT::P(C)
- Q(d);OGATE,XS(H)::QAR2(J),XQ(d)
- S(b);N_GUARD,XB(D)::QAB(J),XQ(d)
- Q(d);SBLOCK::QAR1(J)
- Q(d);N_GUARD::S(H),XQ(d)
- S(b);N_GUARD::QAB(J),XQ(d)
- S(b);N_GUARD,SBLOCK::B(D)
- S(g);N_GUARD::QAR1(J),XS(g)
- S(g);N_GUARD::QAR1(J)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).