MESON Chess Problem Database
Problem Display
PID: 63949 (n1RRbNq1/p1bpN3/2Q3pr/p4n2/1p1k1P2/1P3P1p/1P2PK2/8 w - - 0 1)
Dilke, OAW
Chess, 1946
#2
11 + 13
SOLUTION
- SOUND
- Sets
- 1...Qc4
- 2.Qxc4#
- 1...Qd5
- 2.Qxd5#
- 1...Qe6
- 2.Sxe6#
- 1...Qh7
- 2.Se6#
- 2.Qd5#
- 2.Qc4#
- 1...Qg7
- 2.Se6#
- 2.Qd5#
- 2.Qc4#
- 1...Qxf8
- 2.Qd5#
- 2.Qc4#
- 1...Qh8
- 2.Se6#
- 2.Qd5#
- 2.Qc4#
- 1...Bxf4
- 2.Qe4#
- 2.Qc5#
- 1...Be5
- 2.Qe4#
- 2.Qc5#
- 1...Bb6
- 2.Qe4#
- 2.Qf6#
- 1...Bd6
- 2.Qe4#
- 1...Bb8
- 2.Qe4#
- 2.Qc5#
- 1...Bxd8
- 2.Qe4#
- 2.Qc5#
- 2.Qf6#
- 1...g5
- 2.Sxf5#
- 1...d5
- 2.Qc4#
- 1...Qc4
- Tries
- 1.Sxd7?
- threat
- 2.Qe4#
- 2.Qc5#
- 1...Qc4
- 2.Qe4#
- 2.Qxc4#
- 1...Qd5
- 2.Qxd5#
- 1...Qe6
- 2.Qc5#
- 1...Bb6
- 2.Qe4#
- 2.Qf6#
- 1...Bd6
- 2.Qe4#
- 1...Sg3
- 2.Qc5#
- 1...Sd6
- 2.Qc5#
- 1...Bxd7!
- threat
- 1.Rxc7?
- threat
- 2.Qe4#
- 2.Qc5#
- 2.Qf6#
- 1...Qxf8
- 2.Qe4#
- 2.Qd5#
- 2.Qc4#
- 2.Qc5#
- 1...Sxe7
- 2.Qe4#
- 2.Qc5#
- 1...Qc4
- 2.Qe4#
- 2.Qxc4#
- 2.Qf6#
- 1...Qd5
- 2.Qxd5#
- 1...Qe6
- 2.Sxe6#
- 2.Qc5#
- 1...Qf7
- 2.Qe4#
- 2.Qc5#
- 1...Qg7
- 2.Se6#
- 2.Qe4#
- 2.Qd5#
- 2.Qc4#
- 2.Qc5#
- 1...Qh8
- 2.Se6#
- 2.Qe4#
- 2.Qd5#
- 2.Qc4#
- 2.Qc5#
- 1...Sg3
- 2.Qc5#
- 2.Qf6#
- 1...Sd6
- 2.Qc5#
- 1...g5
- 2.Sxf5#
- 2.Qe4#
- 2.Qc5#
- 1...d5
- 2.Qc4#
- 2.Qc5#
- 2.Qf6#
- 1...d6
- 2.Qe4#
- 2.Qc5#
- 1...Sxc7!
- threat
- 1.Qf6+?
- 1...Be5
- 2.Qxe5#
- 1...Kc5!
- 1...Be5
- 1.Sxd7?
- Keys
- 1.Qb5!
- threat
- 2.Sc6#
- 1...Bxd8
- 2.Qd3#
- 2.Qc5#
- 2.Qe5#
- 1...Sxe7
- 2.e3#
- 1...Sd6
- 2.Qe5#
- 2.e3#
- 1...Qc4
- 2.Qxc4#
- 1...Qd5
- 2.Qxd5#
- 1...Qe6
- 2.Sxe6#
- 1...Bd6
- 2.Qd3#
- 1...g5
- 2.Sxf5#
- 1...d5
- 2.Qc4#
- 1...d6
- 2.Qe5#
- threat
- 1.Qb5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- Q(m);N_GUARD::QAR1(G),XQ(m)
- Q(m);N_GUARD,N_SPINP(j)::QAR1(G),XQ(m)
- Q(m);N_GUARD::S(K),XQ(m)
- B(i);N_SPINP(j)::QAR1(G)
- P(f);N_GUARD::S(H),XS(e)
- P(j);S_CUTQ(m)::QAR1(G)
- Tries
- Try
- S(K);XP(j)
- Threat
- DUALS(2)
- Vars
- Q(m);N_GUARD::QAR1(G),XQ(m)
- Q(m);::QAB1(G)
- B(i);::QAR1(G)
- S(e);::QAB1(G)
- Refutation
- B(l);P_SPINB(l),XS(K)
- Try
- R(I);XB(i)
- Threat
- DUALS(3)
- Vars
- Q(m);N_GUARD,N_SPINP(j)::QAR1(G),XQ(m)
- S(e);N_SPINP(j)::QAB1(G)
- Refutation
- S(k);XR(I)
- Try
- Q(G);CHECK
- Vars
- B(i);N_GUARD,P_SPINB(i)::QAB1(G),XB(i)
- Refutation
- K(c);N_SPINP(j),P_SPINB(i),S_FLIGHT
- Try
- Actual
- Q(G);
- Threat
- S(H)
- Vars
- S(e);N_GUARD,XS(H)::P(B)
- Q(m);N_GUARD::QAR1(G),XQ(m)
- Q(m);N_GUARD,N_SPINP(j)::QAR1(G),XQ(m)
- Q(m);N_GUARD::S(K),XQ(m)
- B(i);N_SPINP(j)::QAR1(G)
- P(f);N_GUARD::S(H),XS(e)
- P(j);S_CUTQ(m)::QAR1(G)
- P(j);S_CUTB(i)::QAB1(G)
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).