MESON Chess Problem Database
Problem Display
PID: 225621 (1KnN2B1/2n3PQ/pp1B1k2/2N4R/q7/8/8/2b2r2 w - - 0 1)
Miltner, Vratislav
Praca, 1949
#2
8 + 8
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Qd1
- 2.Se4#
- 2.Sd7#
- 1...Qc2
- 2.Sd7#
- 1...Qb3
- 2.Se4#
- 2.Sd7#
- 1...Qb5
- 2.Se4#
- 1...Qd7
- 2.Se4#
- 2.Sxd7#
- 1...Qa1
- 2.Se4#
- 2.Sd7#
- 1...Qa2
- 2.Se4#
- 2.Sd7#
- 1...Qa3
- 2.Se4#
- 2.Sd7#
- 1...Qb4
- 2.Sd7#
- 1...Qc4
- 2.Sd7#
- 1...Qd4
- 2.Sd7#
- 1...Qe4
- 2.Sxe4#
- 2.Sd7#
- 1...Qf4
- 2.Sd7#
- 1...Qh4
- 2.Sd7#
- 1...Qa5
- 2.Se4#
- 2.Sd7#
- 1...Rd1
- 2.Rf5#
- 1...Re1
- 2.Rf5#
- 1...Rg1
- 2.Rf5#
- 1...Rh1
- 2.Rf5#
- 1...Rf4
- 2.Qh6#
- 1...Rf5
- 2.Rxf5#
- 1...Bb2
- 2.Qh6#
- 1...Ba3
- 2.Qh6#
- 1...Bf4
- 2.Rf5#
- 1...Bh6
- 2.Qxh6#
- 1...Sb5
- 2.Sd7#
- 1...Se7
- 2.Be5#
- 1...b5
- 2.Sd7#
- 1...Qd1
- Tries
- 1.Sc6?
- threat
- 2.Sd7#
- 2.Be5#
- 1...Sxd6
- 2.Sd7#
- 1...bxc5
- 2.Be5#
- 1...Qa1
- 2.Se4#
- 2.Sd7#
- 1...Qd4
- 2.Sd7#
- 1...Qe4
- 2.Sxe4#
- 2.Sd7#
- 1...Qf4
- 2.Sd7#
- 1...Qg4
- 2.Be5#
- 1...Re1
- 2.Sd7#
- 2.Rf5#
- 1...Rf5
- 2.Sd7#
- 2.Rxf5#
- 1...Bb2
- 2.Sd7#
- 2.Qh6#
- 1...Bf4
- 2.Sd7#
- 2.Rf5#
- 1...Qxc6!
- threat
- 1.Bc4?
- threat
- 2.Se4#
- 2.g8S#
- 1...Qxc4
- 2.Sd7#
- 1...Sxd6
- 2.g8S#
- 1...bxc5
- 2.g8S#
- 1...Qc2
- 2.Sd7#
- 2.g8S#
- 1...Qc6
- 2.g8S#
- 1...Re1
- 2.Rf5#
- 2.g8S#
- 1...Rg1
- 2.Se4#
- 2.Rf5#
- 1...Rf4
- 2.Qh6#
- 2.g8S#
- 1...Se7
- 2.Se4#
- 2.Be5#
- 1...Qe8!
- threat
- 1.Bf7?
- threat
- 2.Qg6#
- 2.g8S#
- 1...Sxd6
- 2.g8S#
- 1...Qe8
- 2.Qg6#
- 1...Qc2
- 2.Sd7#
- 2.g8S#
- 1...Qe4
- 2.Sxe4#
- 2.Sd7#
- 2.g8S#
- 1...Rg1
- 2.Rf5#
- 1...Se7
- 2.Be5#
- 1...Qg4!
- threat
- 1.Rh6+?
- 1...Kg5
- 2.Qg6#
- 1...Bxh6!
- 1...Kg5
- 1.Sc6?
- Keys
- 1.Be6!
- threat
- 2.g8S#
- 1...Qe8
- 2.Se4#
- 1...Qg4
- 2.Sd7#
- 1...Rg1
- 2.Rf5#
- 1...Se7
- 2.Be5#
- threat
- 1.Be6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 18
- Sets
- Q(c);N_GUARD::S(A)
- R(b);N_GUARD::R1(B)
- R(b);S_CUTB(a)::QAR2(E)
- R(b);N_GUARD::R1(B),XR(b)
- B(a);N_GUARD::QAR2(E)
- B(a);S_CUTR(b)::R1(B)
- B(a);N_GUARD::QAR2(E),XB(a)
- S(g);S_CUTQ(c)::S(A)
- S(h);SBLOCK::B(C)
- P(e);S_CUTQ(c)::S(A)
- Tries
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- S(h);XB(C)::S(A)
- P(e);XS(A)::B(C)
- Q(c);::S(A)
- Q(c);::B(C)
- Refutation
- Q(c);XS(G)
- Try
- B(H);
- Threat
- DUALS(2)
- Vars
- Q(c);N_GUARD,XB(H)::S(A)
- S(h);XB(C)::P=S
- P(e);XS(A)::P=S
- Q(c);::P=S
- Refutation
- Q(c);
- Try
- B(H);
- Threat
- DUALS(2)
- Vars
- S(h);XB(C)::P=S
- Q(c);::QAR1(E)
- R(b);N_GUARD::R1(B)
- S(h);SBLOCK::B(C)
- Refutation
- Q(c);
- Try
- R(B);CHECK
- Vars
- K(f);S_FLIGHT::QAR1(E)
- Refutation
- B(a);XR(B)
- Try
- Actual
- B(H);
- Threat
- P=S
- Vars
- Q(c);N_GUARD::S(A)
- R(b);N_GUARD::R1(B)
- S(h);SBLOCK::B(C)
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).