MESON Chess Problem Database
Problem Display
PID: 189519 (7B/KN1p4/p1r4R/P2k1B2/7Q/8/3q1nN1/8 w - - 0 1)
Mullner, Anton
Das Interessante Blatt, 1911
#2
8 + 6
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Qc1
- 2.Qd4#
- 1...Qe1
- 2.Qd4#
- 1...Qe3+
- 2.Sxe3#
- 1...Qb4
- 2.Se3#
- 1...Qxa5
- 2.Se3#
- 2.Qd4#
- 1...Qg5
- 2.Qd4#
- 1...Qxh6
- 2.Qd4#
- 1...Qd1
- 2.Se3#
- 1...Qa2
- 2.Se3#
- 2.Qd4#
- 1...Qb2
- 2.Se3#
- 1...Qc2
- 2.Se3#
- 2.Qd4#
- 1...Qe2
- 2.Qd4#
- 1...Qd4+
- 2.Qxd4#
- 1...Rc1
- 2.Rd6#
- 1...Rc2
- 2.Rd6#
- 1...Rc3
- 2.Rd6#
- 1...Rc4
- 2.Rd6#
- 1...Rc5
- 2.Rd6#
- 1...Rd6
- 2.Rxd6#
- 1...Rc7
- 2.Rd6#
- 1...Rc8
- 2.Rd6#
- 1...Sd1
- 2.Qe4#
- 1...Sh1
- 2.Qe4#
- 1...Sd3
- 2.Qd4#
- 2.Qe4#
- 1...Sh3
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...d6
- 2.Be6#
- 1...Qc1
- Tries
- 1.Qc4+?
- 1...Rxc4
- 2.Rd6#
- 1...Kxc4!
- 1...Rxc4
- 1.Qc4+?
- Keys
- 1.Qb4!
- 1...Qe3+
- 2.Sxe3#
- 1...Qd4+
- 2.Qxd4#
- 1...Qxb4
- 2.Se3#
- 1...Qxh6
- 2.Qd4#
- 1...Rxh6
- 2.Qc5#
- 1...Rd6
- 2.Rxd6#
- 2.Qc5#
- 1...Re6
- 2.Qc5#
- 1...Rf6
- 2.Qc5#
- 1...Rg6
- 2.Qc5#
- 1...Qc1
- 2.Qd4#
- 1...Qe1
- 2.Sf4#
- 2.Qd4#
- 1...Qc3
- 2.Sf4#
- 1...Qf4
- 2.Sxf4#
- 1...Qg5
- 2.Qd4#
- 1...Qd1
- 2.Se3#
- 2.Sf4#
- 1...Qa2
- 2.Se3#
- 2.Sf4#
- 2.Qd4#
- 1...Qb2
- 2.Se3#
- 2.Sf4#
- 1...Qc2
- 2.Se3#
- 2.Sf4#
- 2.Qd4#
- 1...Qe2
- 2.Sf4#
- 2.Qd4#
- 1...Qd3
- 2.Sf4#
- 1...Rc1
- 2.Rd6#
- 1...Rc2
- 2.Rd6#
- 1...Rc3
- 2.Rd6#
- 1...Rc4
- 2.Rd6#
- 2.Qd6#
- 1...Rc5
- 2.Rd6#
- 2.Qxc5#
- 1...Rb6
- 2.Qc5#
- 1...Rc7
- 2.Rd6#
- 1...Rc8
- 2.Rd6#
- 1...Sd1
- 2.Be4#
- 2.Qe4#
- 1...Sh1
- 2.Be4#
- 2.Qe4#
- 1...Sd3
- 2.Be4#
- 2.Qd4#
- 2.Qe4#
- 1...Sh3
- 2.Be4#
- 2.Qe4#
- 1...Se4
- 2.Bxe4#
- 2.Qxe4#
- 1...Sg4
- 2.Be4#
- 2.Qe4#
- 1...d6
- 2.Be6#
- 1...Qe3+
- 1.Qb4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 11
- Sets
- Q(a);N_GUARD::QAR1(B)
- Q(a);CHECK,N_GUARD::S(A),XQ(a)
- Q(a);N_GUARD::S(A)
- Q(a);N_GUARD,XR(E)::QAR1(B)
- Q(a);CHECK,N_GUARD::QAR1(B),XQ(a)
- R(e);N_GUARD::R1(E)
- R(e);N_GUARD::R1(E),XR(e)
- R(e);N_GUARD,P_PINS(G)::R1(E)
- S(b);N_GUARD::QAB1(B)
- S(b);N_GUARD::QAB1(B),XS(b)
- P(f);N_GUARD,S_CUTR(e)::B(D)
- Tries
- Try
- Q(B);CHECK
- Vars
- R(e);SBLOCK,XQ(B)::R1(E)
- Refutation
- K(c);S_FLIGHT,XQ(B)
- Try
- Actual
- Q(B);
- Vars
- Q(a);CHECK,N_GUARD::S(A),XQ(a)
- Q(a);CHECK,N_GUARD::QAR1(B),XQ(a)
- Q(a);N_GUARD,XQ(B)::S(A)
- Q(a);N_GUARD,XR(E)::QAR1(B)
- R(e);N_GUARD,XR(E)::QAR1(B)
- R(e);N_GUARD::QAR1(B)
- Q(a);N_GUARD::QAR1(B)
- Q(a);N_GUARD::S(A)
- Q(a);N_GUARD::S(A),XQ(a)
- R(e);N_GUARD::R1(E)
- R(e);N_GUARD,P_PINS(G)::R1(E)
- P(f);N_GUARD,S_CUTR(e)::B(D)
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).