MESON Chess Problem Database
Problem Display
PID: 93255 (n7/1Qp5/3r3p/P1k1B2K/1NB5/n7/1N6/8 w - - 0 1)
Madsen, Arthur Valdemar
Skakbladet, 1961
#2
7 + 6
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rd1
- 2.Sa6#
- 1...Rd2
- 2.Sa6#
- 1...Rd3
- 2.S4xd3#
- 2.Sa6#
- 1...Rd4
- 2.Sa6#
- 1...Rd5
- 2.Sa6#
- 1...Ra6
- 2.S4d3#
- 2.Sxa6#
- 1...Rb6
- 2.S4d3#
- 1...Rc6
- 2.S4d3#
- 1...Re6
- 2.S4d3#
- 1...Rf6
- 2.S4d3#
- 1...Rg6
- 2.S4d3#
- 1...Rd7
- 2.Sa6#
- 1...Rd8
- 2.Sa6#
- 1...Sb1
- 2.Qb5#
- 1...Sc2
- 2.Qb5#
- 1...Sxc4
- 2.Sa4#
- 1...Sb5
- 2.Qxb5#
- 1...Sb6
- 2.Sa6#
- 1...c6
- 2.Sa6#
- 1...Rd1
- Tries
- 1.Bf1?
- threat
- 2.Sa4#
- 1...Sb5
- 2.Qxb5#
- 1...Sb6
- 2.Sa6#
- 1...Rd3
- 2.S4xd3#
- 2.Sa6#
- 1...Rb6!
- threat
- 1.Be2?
- threat
- 2.Sa4#
- 1...Sb5
- 2.Qxb5#
- 1...Sb6
- 2.Sa6#
- 1...Rd3
- 2.S4xd3#
- 2.Sa6#
- 1...Rb6!
- threat
- 1.Bd3?
- threat
- 2.Sa4#
- 1...Rxd3
- 2.S4xd3#
- 2.Sa6#
- 1...Sb5
- 2.Qxb5#
- 1...Sb6
- 2.Sa6#
- 1...Rb6!
- threat
- 1.Ba6?
- threat
- 2.Sa4#
- 1...Rxa6
- 2.S4d3#
- 2.Sxa6#
- 1...Rb6
- 2.S2d3#
- 2.S4d3#
- 1...Sb5
- 2.Qxb5#
- 1...Sb6!
- threat
- 1.Qc6+?
- 1...Rxc6
- 2.S4d3#
- 1...Kxb4!
- 1...Rxc6
- 1.Bf1?
- Keys
- 1.Bc3!
- 1...Rd5+
- 2.Qxd5#
- 1...Sxc4
- 2.Sa4#
- 1...Rd1
- 2.Qc6#
- 1...Rd2
- 2.Qc6#
- 1...Rd3
- 2.Qc6#
- 1...Rd4
- 2.Qc6#
- 1...Ra6
- 2.Qd5#
- 1...Rb6
- 2.Qd5#
- 1...Rc6
- 2.Qxc6#
- 1...Re6
- 2.Qd5#
- 1...Rf6
- 2.Qd5#
- 1...Rg6
- 2.Qd5#
- 1...Rd7
- 2.Qc6#
- 1...Rd8
- 2.Qc6#
- 1...Sb1
- 2.Qb5#
- 1...Sc2
- 2.Qb5#
- 1...Sb5
- 2.Qxb5#
- 1...Sb6
- 2.Sa6#
- 1...c6
- 2.Sa6#
- 1...Rd5+
- 1.Bc3!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 11
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- R(c);N_GUARD::S(B)
- R(c);N_GUARD,P_PINB(E)::S(B)
- S(a);N_GUARD::QAR1(G)
- S(a);SBLOCK,XB(C)::S(A)
- S(a);N_GUARD::QAR1(G),XS(a)
- S(f);S_CUTR(c)::S(B)
- P(e);S_CUTR(c)::S(B)
- Tries
- Try
- B(C);
- Threat
- S(A)
- Vars
- S(a);N_GUARD::QAR1(G),XS(a)
- S(f);S_CUTR(c)::S(B)
- Refutation
- R(c);
- Try
- B(C);
- Threat
- S(A)
- Vars
- S(a);N_GUARD::QAR1(G),XS(a)
- S(f);S_CUTR(c)::S(B)
- Refutation
- R(c);
- Try
- B(C);
- Threat
- S(A)
- Vars
- S(a);N_GUARD::QAR1(G),XS(a)
- S(f);S_CUTR(c)::S(B)
- Refutation
- R(c);
- Try
- B(C);
- Threat
- S(A)
- Vars
- S(a);N_GUARD::QAR1(G),XS(a)
- Refutation
- S(f);
- Try
- Q(G);CHECK
- Vars
- R(c);SBLOCK,XQ(G)::S(B)
- Refutation
- K(b);S_FLIGHT,XS(B)
- Try
- Actual
- B(E);
- Vars
- R(c);CHECK,N_GUARD::QAR1(G),XR(c)
- S(a);SBLOCK,XB(C)::S(A)
- R(c);N_GUARD::QAR1(G)
- R(c);N_GUARD::QAR1(G),XR(c)
- S(a);N_GUARD::QAR1(G)
- S(a);N_GUARD::QAR1(G),XS(a)
- S(f);S_CUTR(c)::S(B)
- P(e);S_CUTR(c)::S(B)
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).