MESON Chess Problem Database
Problem Display
PID: 173830 (8/3N4/B1p1p3/ppBkp1K1/3p4/1P1Q4/6n1/5N1b w - - 0 1)
Borovik, Boris V
Schach-Echo, 1982
#2
7 + 9
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Se1
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...Sf4
- 2.Se3#
- 1...Sh4
- 2.Se3#
- 1...b4
- 2.Bc4#
- 1...e4
- 2.Qxd4#
- 1...Se1
- Tries
- 1.Kg4?
- 1...Se3+
- 2.Sxe3#
- 1...Se1
- 2.Se3#
- 1...Sf4
- 2.Se3#
- 1...Sh4
- 2.Se3#
- 1...b4
- 2.Bc4#
- 1...e4
- 2.Qxd4#
- 1...a4!
- 1...Se3+
- 1.Kf6?
- 1...Se1
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...Sf4
- 2.Se3#
- 1...Sh4
- 2.Se3#
- 1...b4
- 2.Bc4#
- 1...e4
- 2.Qxd4#
- 1...a4!
- 1...Se1
- 1.Kh6?
- 1...Se1
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...Sf4
- 2.Se3#
- 1...Sh4
- 2.Se3#
- 1...b4
- 2.Bc4#
- 1...e4
- 2.Qxd4#
- 1...a4!
- 1...Se1
- 1.Sxe5?
- threat
- 2.Qxd4#
- 1...Kxe5
- 2.Qxd4#
- 1...Kxc5!
- threat
- 1.Be7?
- threat
- 2.Sb6#
- 2.Sf6#
- 1...c5
- 2.Bb7#
- 1...e4!
- threat
- 1.Bf8?
- threat
- 2.Sb6#
- 2.Sf6#
- 1...c5
- 2.Bb7#
- 1...e4!
- threat
- 1.Bxb5?
- threat
- 2.Bc4#
- 1...Se3
- 2.Sxe3#
- 1...cxb5!
- threat
- 1.Qc2?
- threat
- 2.Sb6#
- 2.Sf6#
- 1...d3
- 2.Sf6#
- 2.Qxd3#
- 1...e4!
- threat
- 1.Qc3?
- threat
- 2.Sf6#
- 1...Ke4
- 2.Sf6#
- 1...e4
- 2.Qxd4#
- 1...dxc3!
- threat
- 1.Qg3?
- threat
- 2.Qxe5#
- 1...Ke4
- 2.Sf6#
- 1...e4
- 2.Qe5#
- 2.Qd6#
- 1...Sf4!
- threat
- 1.b4?
- threat
- 2.Sb6#
- 2.Sf6#
- 1...e4
- 2.Qb3#
- 2.Qxd4#
- 1...axb4!
- threat
- 1.Kg4?
- Keys
- 1.Qxb5!
- threat
- 2.Sf6#
- 1...Ke4
- 2.Qxc6#
- 1...cxb5
- 2.Bb7#
- 1...e4
- 2.Qc4#
- threat
- 1.Qxb5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 5
- Sets
- S(b);N_GUARD::S(A)
- S(b);N_GUARD::S(A),XS(b)
- P(e);OGATE::B(F)
- P(g);N_GUARD::QAR1(C),XP(c)
- Tries
- Try
- K(E);P-FLIGHT
- Vars
- S(b);CHECK,N_GUARD::S(A),XS(b)
- S(b);N_GUARD::S(A)
- P(e);OGATE::B(F)
- P(g);N_GUARD::QAR1(C),XP(c)
- Refutation
- P(d);
- Try
- K(E);S_FLIGHT
- Vars
- S(b);N_GUARD::S(A)
- S(b);N_GUARD::S(A),XS(b)
- P(e);OGATE::B(F)
- P(g);N_GUARD::QAR1(C),XP(c)
- Refutation
- P(d);
- Try
- K(E);S_FLIGHT
- Vars
- S(b);N_GUARD::S(A)
- S(b);N_GUARD::S(A),XS(b)
- P(e);OGATE::B(F)
- P(g);N_GUARD::QAR1(C),XP(c)
- Refutation
- P(d);
- Try
- S(G);XP(g)
- Threat
- QAR1(C),XP(c)
- Vars
- K(f);N_SPINP(c),P-FLIGHT,XS(G)::QAB1(C),XP(c)
- Refutation
- K(f);N_SPINP(c),P-FLIGHT,XB(D)
- Try
- B(D);
- Threat
- DUALS(2)
- Vars
- P(h);OGATEB::B(F)
- Refutation
- P(g);
- Try
- B(D);
- Threat
- DUALS(2)
- Vars
- P(h);OGATEB::B(F)
- Refutation
- P(g);
- Try
- B(F);XP(e)
- Threat
- B(F)
- Vars
- S(b);N_GUARD::S(A),XS(b)
- Refutation
- P(h);XB(F)
- Try
- Q(C);N_PINP(c)
- Threat
- DUALS(2)
- Refutation
- P(g);
- Try
- Q(C);N_PINP(c)
- Threat
- S(G)
- Vars
- K(f);S_FLIGHT::S(G)
- P(g);N_GUARD::QAR1(C),XP(c)
- Refutation
- P(c);XQ(C)
- Try
- Q(C);N_PINP(c)
- Threat
- QAR1(C),XP(g)
- Vars
- K(f);S_FLIGHT::S(G)
- Refutation
- S(b);
- Try
- P(B);
- Threat
- DUALS(2)
- Refutation
- P(d);XP(B)
- Try
- Actual
- Q(C);N_PINP(c),XP(e)
- Threat
- S(G)
- Vars
- K(f);S_FLIGHT::QAB(C),XP(h)
- P(h);OGATEB,XQ(C)::B(F)
- P(g);SBLOCK::QAB1(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).