MESON Chess Problem Database
Problem Display
PID: 228985 (3K4/2nN3b/p3pN2/R1B5/2kr2Rr/P1p5/P3P2b/5B2 w - - 0 1)
Mari, Alberto
Xeque Mate, 1926
#2
10 + 9
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Re4
- 2.Sb6#
- 2.e3#
- 1...Rf4
- 2.Se5#
- 2.Sb6#
- 1...Rdxg4
- 2.Sb6#
- 2.e4#
- 1...Rh3
- 2.Rxd4#
- 1...Rh5
- 2.Rxd4#
- 1...Rh6
- 2.Rxd4#
- 1...Bd6
- 2.Sb6#
- 1...Bd3
- 2.exd3#
- 1...Bg8
- 2.e3#
- 1...Sb5
- 2.Ra4#
- 1...Re4
- Tries
- 1.Bb6?
- threat
- 2.Rc5#
- 1...Rdxg4
- 2.e4#
- 1...Re4
- 2.e3#
- 1...Rf4
- 2.Se5#
- 1...Rh5
- 2.Rxd4#
- 1...Sb5
- 2.Ra4#
- 1...Bd6!
- threat
- 1.Bb6?
- Keys
- 1.Ba7!
- threat
- 2.Rc5#
- 1...Rdxg4
- 2.e4#
- 1...Re4
- 2.e3#
- 1...Rf4
- 2.Se5#
- 1...Rh5
- 2.Rxd4#
- 1...Bd6
- 2.Sb6#
- 1...Sb5
- 2.Ra4#
- threat
- 1.Ba7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 4
- Sets
- R(e);N_GUARD::R1(E),XR(d)
- B(a);N_PINS(I)::S(I)
- B(i);OGATE::P(C),XB(i)
- B(i);N_GUARD::B(A)+P(C)
- S(h);SBLOCK::R(F)
- Tries
- Try
- B(G);
- Threat
- R1(F)
- Vars
- R(d);N_GUARD,N_PINS(I),N_SPINR(d),XR(E)::B(A)+P(C)
- R(d);N_PINS(I),S_CUTB(i)::B(A)+P(C)
- R(d);N_PINS(I)::S(I)
- R(e);N_GUARD::R1(E),XR(d)
- S(h);SBLOCK::R(F)
- Refutation
- B(a);N_PINS(I)
- Try
- Actual
- B(G);
- Threat
- R1(F)
- Vars
- R(d);N_GUARD,N_PINS(I),N_SPINR(d),XR(E)::B(A)+P(C)
- R(d);N_PINS(I),S_CUTB(i)::B(A)+P(C)
- R(d);N_PINS(I)::S(I)
- R(e);N_GUARD::R1(E),XR(d)
- B(a);N_PINS(I)::S(I)
- S(h);SBLOCK::R(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).