MESON Chess Problem Database
Problem Display
PID: 238805 (8/3KN3/8/1BPR2P1/3Pk1P1/8/1b1B2b1/1qR1N3 w - - 0 1)
Janevski, Zivko
Rochade Europa, 2011
#2
11 + 4
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qa2
- 2.Bd3#
- 1...Qd3
- 2.Bxd3#
- 1...Qa1
- 2.Bd3#
- 1...Qxc1
- 2.Bd3#
- 1...Qa2
- Tries
- 1.Sf5?
- threat
- 2.Re5#
- 1...Kxd5
- 2.Bc6#
- 1...Bxd4!
- threat
- 1.Sc6?
- threat
- 2.Re5#
- 1...Bxd4
- 2.Rxd4#
- 1...Kxd5!
- threat
- 1.Bc6?
- threat
- 2.Rd6#
- 1...Bxd4
- 2.Rf5#
- 1...Qa2!
- threat
- 1.Rc4?
- threat
- 2.Re5#
- 1...Bxd4
- 2.Rcxd4#
- 1...Qxe1!
- threat
- 1.Rd6?
- threat
- 2.Bc6#
- 1...Qa2
- 2.Bd3#
- 1...Bxd4!
- threat
- 1.Sf5?
- Keys
- 1.Rf5!
- threat
- 2.Rf4#
- 1...Kxd4
- 2.Rc4#
- 1...Bxd4
- 2.Bc6#
- threat
- 1.Rf5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 4
- Sets
- Q(a);N_GUARD::B(F)
- Q(a);N_GUARD::B(F),XQ(a)
- Q(a);N_GUARD,XR(A)::B(F)
- Tries
- Try
- S(K);
- Threat
- R1(H)
- Vars
- K(d);OGATEB,S_FLIGHT,XR(H)::B(F)
- Refutation
- B(b);XP(D)
- Try
- S(K);
- Threat
- R1(H)
- Vars
- B(b);OGATE,XP(D)::R1(H),XB(b)
- Refutation
- K(d);S_FLIGHT,XR(H)
- Try
- B(F);
- Threat
- B(F)+R(H)
- Vars
- B(b);SBLOCK,XP(D)::B(F)+R(H)
- Refutation
- Q(a);
- Try
- R(A);
- Threat
- R1(H)
- Vars
- B(b);OGATE,P_SPINB(b),XP(D)::R1(A),XB(b)
- Refutation
- Q(a);XS(B)
- Try
- R(H);
- Threat
- B(F)
- Vars
- Q(a);N_GUARD::B(F)
- Refutation
- B(b);XP(D)
- Try
- Actual
- R(H);
- Threat
- R1(H)
- Vars
- K(d);OGATEB,P-FLIGHT,XP(D)::R1(A)
- B(b);SBLOCK,XP(D)::B(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).