MESON Chess Problem Database
Problem Display
PID: 61631 (8/1B1pNpK1/1n2p3/1QP1k3/4b1P1/N1b1P3/3P4/1n6 w - - 0 1)
Lort, MC
Chess, 1943
#2
9 + 8
SOLUTION
- SOUND
- Sets
- 1...Bb4
- 2.d4#
- 1...Ba5
- 2.d4#
- 1...Sa4
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sd5
- 2.Sc4#
- 1...Sa8
- 2.Sc4#
- 1...Sc8
- 2.Sc4#
- 1...d5
- 2.Sc6#
- 1...f5
- 2.Sg6#
- 1...Bb4
- Tries
- 1.Qf1?
- threat
- 2.Qf4#
- 2.Qf6#
- 1...Bxb7
- 2.Qf4#
- 1...Bd5
- 2.Qf4#
- 1...Bc6
- 2.Qf4#
- 1...Bf5
- 2.Qf4#
- 1...Sd5
- 2.Sc4#
- 1...f5
- 2.Sg6#
- 2.Qf4#
- 1...f6
- 2.Qf4#
- 2.Qxf6#
- 1...Bf3!
- threat
- 1.Qa4?
- threat
- 2.Qxe4#
- 1...Bxb7
- 2.Qf4#
- 1...Sxa4
- 2.Sc4#
- 1...Bb4
- 2.d4#
- 1...Bd4
- 2.Qxd4#
- 1...Bh1
- 2.Qf4#
- 1...Bc2
- 2.Qf4#
- 1...Bg2
- 2.Qf4#
- 1...Bd3
- 2.Qf4#
- 1...Bf3
- 2.Qf4#
- 1...Bd5
- 2.Qf4#
- 1...Bf5
- 2.Qf4#
- 1...Bc6
- 2.Qf4#
- 1...Bg6
- 2.Qf4#
- 1...Bh7
- 2.Qf4#
- 1...Sc4
- 2.Sxc4#
- 1...Sd5
- 2.Sc4#
- 1...d5
- 2.Sc6#
- 1...f5
- 2.Sg6#
- 1...Sxd2!
- threat
- 1.Qc4?
- threat
- 2.Qxe4#
- 1...Bxb7
- 2.Qf4#
- 1...Sxd2
- 2.Qxc3#
- 1...Sxc4
- 2.Sxc4#
- 1...Bd4
- 2.Qxd4#
- 1...Bh1
- 2.Qf4#
- 1...Bc2
- 2.Qf4#
- 1...Bg2
- 2.Qf4#
- 1...Bd3
- 2.Qf4#
- 1...Bf3
- 2.Qf4#
- 1...Bd5
- 2.Qf4#
- 1...Bf5
- 2.Qf4#
- 1...Bc6
- 2.Qf4#
- 1...Bg6
- 2.Qf4#
- 1...Bh7
- 2.Qf4#
- 1...d5
- 2.Sc6#
- 1...f5
- 2.Sg6#
- 1...Sd5!
- threat
- 1.Qf1?
- Keys
- 1.Qb4!
- threat
- 2.Qxe4#
- 1...Bxb4
- 2.d4#
- 1...Bxb7
- 2.Qf4#
- 1...Sxd2
- 2.Qxc3#
- 1...Bd4
- 2.Qxd4#
- 1...Bh1
- 2.Qf4#
- 1...Bc2
- 2.Qf4#
- 1...Bg2
- 2.Qf4#
- 1...Bd3
- 2.Qf4#
- 1...Bf3
- 2.Qf4#
- 1...Bd5
- 2.Qf4#
- 1...Bf5
- 2.Qf4#
- 1...Bc6
- 2.Qf4#
- 1...Bg6
- 2.Qf4#
- 1...Bh7
- 2.Qf4#
- 1...Sc4
- 2.Sxc4#
- 1...Sd5
- 2.Sc4#
- 1...d5
- 2.Sc6#
- 1...f5
- 2.Sg6#
- threat
- 1.Qb4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 13
- REMOVED MATES = 4
- Sets
- B(b);N_GUARD::P(A)
- S(e);N_GUARD::S(B)
- S(e);N_GUARD::S(B),XS(e)
- P(g);N_GUARD,SBLOCK,S_CUTB(c)::S(H)
- P(h);N_GUARD,S_CUTB(c)::S(H)
- Tries
- Try
- Q(E);
- Threat
- DUALS(2)
- Vars
- B(c);XB(G)::QAB1(E)
- B(c);::QAB1(E)
- S(e);N_GUARD::S(B)
- Refutation
- B(c);
- Try
- Q(E);
- Threat
- QAR1(E),XB(c)
- Vars
- B(c);OGATE,XB(G)::QAB1(E)
- S(e);N_GUARD,XQ(E)::S(B)
- B(b);N_GUARD::P(A)
- B(b);N_GUARD::QAB1(E),XB(b)
- B(c);OGATE::QAB1(E)
- S(e);N_GUARD::S(B),XS(e)
- S(e);N_GUARD::S(B)
- P(g);N_GUARD,SBLOCK,S_CUTB(c)::S(H)
- P(h);N_GUARD,S_CUTB(c)::S(H)
- Refutation
- S(a);XP(A)
- Try
- Q(E);
- Threat
- QAR1(E),XB(c)
- Vars
- B(c);OGATE,XB(G)::QAB1(E)
- S(a);N_GUARD,XP(A)::QAB(E),XB(b)
- S(e);XQ(E)::S(B),XS(e)
- B(b);N_GUARD::QAB1(E),XB(b)
- B(c);OGATE::QAB1(E)
- P(g);N_GUARD,S_CUTB(c)::S(H)
- P(h);N_GUARD,S_CUTB(c)::S(H)
- Refutation
- S(e);
- Try
- Actual
- Q(E);
- Threat
- QAR1(E),XB(c)
- Vars
- B(b);N_GUARD,XQ(E)::P(A)
- B(c);OGATE,XB(G)::QAB1(E)
- S(a);N_GUARD,XP(A)::QAB(E),XB(b)
- B(b);N_GUARD::QAB1(E),XB(b)
- B(c);OGATE::QAB1(E)
- S(e);N_GUARD::S(B),XS(e)
- S(e);N_GUARD::S(B)
- P(g);N_GUARD,SBLOCK,S_CUTB(c)::S(H)
- P(h);N_GUARD,S_CUTB(c)::S(H)
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).