MESON Chess Problem Database
Problem Display
PID: 240751 (4R2b/4r2B/1N1pbpn1/3R3P/3Pk3/3pB3/Q2P3N/K7 w - - 0 1)
Zilahi, Zoltan
Shakhmaty i Shashki, 1931
#2
11 + 8
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Ra7
- 2.Rxe6#
- 1...Rb7
- 2.Rxe6#
- 1...Rc7
- 2.Rxe6#
- 1...Rd7
- 2.Rxe6#
- 1...Rf7
- 2.Rxe6#
- 1...Rg7
- 2.Rxe6#
- 1...Bxd5
- 2.Qxd5#
- 1...Ra7
- Tries
- 1.Sa4?
- threat
- 2.Sc3#
- 1...Rc7
- 2.Rxe6#
- 1...Bxd5!
- threat
- 1.Sc8?
- threat
- 2.Sxd6#
- 1...Rd7
- 2.Rxe6#
- 1...Bxc8!
- threat
- 1.Bxg6+?
- 1...Bf5
- 2.Bxf5#
- 2.Rxe7#
- 1...f5!
- 1...Bf5
- 1.Qa8?
- threat
- 2.Re5#
- 1...Bxd5
- 2.Qxd5#
- 1...Rb7
- 2.Rxe6#
- 1...Ra7+!
- threat
- 1.Sa4?
- Keys
- 1.Rf5!
- threat
- 2.Rf4#
- 1...Kxf5
- 2.Bxg6#
- 1...Rxh7
- 2.Qd5#
- 1...Bxf5
- 2.Qd5#
- 1...Sf4
- 2.Rxf4#
- 2.Re5#
- threat
- 1.Rf5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 7
- Sets
- R(g);OGATE,P_PINQ(B),P_SPINB(d)::R(K),XB(d)
- R(g);OGATE,P_SPINB(d)::R(K),XB(d)
- B(d);OGATE,P_SPINR(g),XR(G)::QAB1(B),XB(d)
- Tries
- Try
- S(I);
- Threat
- S(I)
- Vars
- R(g);OGATE,P_SPINB(d)::R(K),XB(d)
- Refutation
- B(d);P_SPINR(g),XR(G)
- Try
- S(I);
- Threat
- S(I),XP(c)
- Vars
- R(g);OGATE,P_SPINB(d)::R(K),XB(d)
- Refutation
- B(d);P_SPINR(g),XS(I)
- Try
- B(J);CHECK,XS(f)
- Refutation
- P(e);P_PINP(F),P_SPINP(e)
- Try
- Q(B);
- Threat
- QAB(B)+R(G),DCHECK
- Vars
- B(d);OGATE,P_SPINB(d),P_SPINR(g),XR(G)::QAB1(B),XB(d)
- R(g);OGATE,P_SPINB(d)::R(K),XB(d)
- Refutation
- R(g);CHECK,P_SPINB(d)
- Try
- Actual
- R(G);N_PINS(f)
- Threat
- R1(G)
- Vars
- K(b);OGATEB,P_SPINS(f),S_FLIGHT,XR(G)::B(J),XS(f)
- R(g);P_SPINB(d),XB(J)::QAB1(B)
- B(d);N_GUARD,P_SPINR(g),XR(G)::QAB1(B)
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).