MESON Chess Problem Database
Problem Display
PID: 202458 (8/1p2pp2/b3R2n/3p1k2/2p2p1B/5N2/4Q2N/b4K2 w - - 0 1)
Kovacs, Florian Janos
Chess Amateur (The), 1923
#2
6 + 10
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Bd4
- 2.Sxd4#
- 1...Be5
- 2.Qxe5#
- 1...c3
- 2.Sd4#
- 1...d4
- 2.Qe4#
- 2.Qe5#
- 1...fxe6
- 2.Qc2#
- 1...Bd4
- Tries
- 1.Sg5?
- threat
- 2.Qc2#
- 1...fxe6
- 2.Qxe6#
- 1...f3
- 2.Qxf3#
- 1...d4
- 2.Qe4#
- 2.Qe5#
- 1...c3!
- threat
- 1.Bxe7?
- threat
- 2.Sh4#
- 1...Be5
- 2.Qxe5#
- 1...Bf6
- 2.Rxf6#
- 1...f6!
- threat
- 1.Rc6?
- threat
- 2.Qc2#
- 1...c3
- 2.Sd4#
- 1...d4
- 2.Qe5#
- 1...e5
- 2.Rf6#
- 1...bxc6!
- threat
- 1.Rd6?
- threat
- 2.Qc2#
- 1...c3
- 2.Sd4#
- 1...d4
- 2.Qe5#
- 1...e5
- 2.Rf6#
- 1...exd6!
- threat
- 1.Sg5?
- Keys
- 1.Rb6!
- threat
- 2.Qc2#
- 1...c3
- 2.Sd4#
- 1...d4
- 2.Qe5#
- 1...e5
- 2.Rf6#
- threat
- 1.Rb6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 3
- Sets
- B(a);N_GUARD::S(D),XB(a)
- B(a);N_GUARD::QAR1(B),XB(a)
- P(b);P_PINQ(B),S_CUTB(a)::S(D)
- P(j);SBLOCK,XR(F)::QAB(B)
- Tries
- Try
- S(D);
- Threat
- QAB(B)
- Vars
- P(j);OGATE,XR(F)::QAB1(B),XP(j)
- P(c);OGATEB::QAR2(B),XP(c)
- Refutation
- P(b);P_PINQ(B)
- Try
- B(E);XP(i)
- Threat
- S(D)
- Vars
- B(a);N_GUARD::QAR1(B),XB(a)
- B(a);N_GUARD::R1(F),XB(a)
- Refutation
- P(j);
- Try
- R(F);
- Threat
- QAB(B)
- Vars
- P(b);P_PINQ(B),S_CUTB(a)::S(D)
- P(d);S_CUTB(a)::QAR1(B)
- P(i);N_GUARD,S_CUTB(a)::R1(F)
- Refutation
- P(h);XR(F)
- Try
- R(F);
- Threat
- QAB(B)
- Vars
- P(b);P_PINQ(B),S_CUTB(a)::S(D)
- P(d);S_CUTB(a)::QAR1(B)
- P(i);N_GUARD,S_CUTB(a)::R1(F)
- Refutation
- P(i);XR(F)
- Try
- Actual
- R(F);
- Threat
- QAB(B)
- Vars
- P(b);P_PINQ(B),S_CUTB(a)::S(D)
- P(d);S_CUTB(a)::QAR1(B)
- P(i);N_GUARD,S_CUTB(a)::R1(F)
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).