MESON Chess Problem Database
Problem Display
PID: 202847 (K1B5/3n2r1/1p1p1B2/3R2P1/1N3k2/3PN3/4PPb1/6Rr w - - 0 1)
Armeni, Alberto
Sinfonie Scacchistiche, 2017
#2
11 + 7
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Rxg5
- 2.Bxg5#
- 1...Bf1
- 2.Rg4#
- 2.Rd4#
- 2.Rf5#
- 1...Bh3
- 2.Rd4#
- 1...Be4
- 2.Rg4#
- 1...Bxd5+
- 2.Sbxd5#
- 1...Sc5
- 2.Sxg2#
- 1...Se5
- 2.Sxg2#
- 1...Sxf6
- 2.Sxg2#
- 1...Sb8
- 2.Sxg2#
- 1...Sf8
- 2.Sxg2#
- 1...Rxg5
- Tries
- 1.Rxg2?
- threat
- 2.Rg4#
- 2.Rd4#
- 2.Rf5#
- 1...Rxg5
- 2.Bxg5#
- 2.Rd4#
- 1...Sxf6
- 2.Rf5#
- 1...Rg1
- 2.Rd4#
- 2.Rf5#
- 1...Rh4
- 2.Rd4#
- 2.Rf5#
- 1...Re7
- 2.Rg4#
- 2.Rf5#
- 1...Sc5
- 2.Rg4#
- 2.Rf5#
- 1...Se5
- 2.Rd4#
- 1...Ra1+!
- threat
- 1.Rxg2?
- Keys
- 1.Sc6!
- threat
- 2.Rf5#
- 1...Rxg5
- 2.Bxg5#
- 1...Bxd5
- 2.Rg4#
- 1...Bh3
- 2.Rd4#
- 1...Be4
- 2.Rg4#
- 1...Se5
- 2.Sxg2#
- threat
- 1.Sc6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 4
- Sets
- R(g);OGATE,XP(H)::B(I),XR(g)
- B(b);N_PINR(G)::R(G)
- B(b);OGATE::R1(A)
- B(b);CHECK,XR(G)::S(F),XB(b)
- S(f);::S(E),XB(b)
- S(f);XB(I)::S(E),XB(b)
- Tries
- Try
- R(A);N_SPINR(G),XB(b)
- Threat
- DUALS(3)
- Vars
- S(f);XB(I)::R1(G)
- S(f);::R(G)
- Refutation
- R(a);CHECK
- Try
- Actual
- S(F);N_SPINR(G)
- Threat
- R1(G)
- Vars
- R(g);OGATE,XP(H)::B(I),XR(g)
- B(b);OGATE,P_PINS(F),XR(G)::R1(A)
- B(b);N_GUARD::R(G)
- B(b);OGATE::R1(A)
- S(f);::S(E),XB(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).