MESON Chess Problem Database
Problem Display
PID: 201368 (3N4/3N4/3pP1B1/3k4/R1n1n2R/4r1p1/3Pp1K1/4Q1B1 w - - 0 1)
Belli, Nicolo
L'Alfiere di Re, 1922
#2
10 + 7
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Ra3
- 2.Bxe4#
- 1...Rb3
- 2.Bxe4#
- 1...Rc3
- 2.Bxe4#
- 1...Rd3
- 2.Bxe4#
- 1...Rf3
- 2.Bxe4#
- 1...Ra3
- Tries
- 1.Bxe3?
- threat
- 2.Bxe4#
- 1...Scxd2
- 2.Rd4#
- 1...Sexd2
- 2.Rd4#
- 1...Sf2
- 2.Rd4#
- 1...Sc3
- 2.Rd4#
- 1...Sc5
- 2.Rd4#
- 1...Sg5
- 2.Rd4#
- 1...Sf6
- 2.Rd4#
- 1...Sxe3+!
- threat
- 1.Bxe4+?
- 1...Kd4
- 2.Sc6#
- 2.Bxe3#
- 2.Qa1#
- 2.dxe3#
- 1...Rxe4!
- 1...Kd4
- 1.Rxe4?
- 1...Sxd2
- 2.Rad4#
- 2.Ra5#
- 2.Red4#
- 1...Ra3
- 2.Sf6#
- 2.Rd4#
- 1...Rb3
- 2.Sf6#
- 2.Rd4#
- 1...Rc3
- 2.Sf6#
- 2.Rd4#
- 1...Rd3
- 2.Sf6#
- 1...Rf3
- 2.Rd4#
- 1...Sb2
- 2.Rad4#
- 2.Ra5#
- 2.Red4#
- 1...Sa3
- 2.Rad4#
- 2.Red4#
- 1...Sa5
- 2.Rad4#
- 2.Rxa5#
- 2.Red4#
- 1...Se5
- 2.Rad4#
- 2.Ra5#
- 2.Red4#
- 1...Sb6
- 2.Rad4#
- 2.Ra5#
- 2.Red4#
- 1...Rxe4!
- 1...Sxd2
- 1.dxe3?
- threat
- 2.Bxe4#
- 1...Scd2
- 2.Rd4#
- 1...Sed2
- 2.Rd4#
- 1...Sf2
- 2.Rd4#
- 1...Sc3
- 2.Rd4#
- 1...Sc5
- 2.Rd4#
- 1...Sg5
- 2.Rd4#
- 1...Sf6
- 2.Rd4#
- 1...Sxe3+!
- threat
- 1.Bxe3?
- Keys
- 1.d4!
- 1...Kxd4
- 2.Qd2#
- 1...Ra3
- 2.Bxe4#
- 1...Rb3
- 2.Bxe4#
- 1...Rc3
- 2.Bxe4#
- 1...Rd3
- 2.Bxe4#
- 1...Rf3
- 2.Bxe4#
- 1...Sb2
- 2.Sb6#
- 1...Scd2
- 2.Sb6#
- 1...Sa3
- 2.Sb6#
- 1...Sa5
- 2.Sb6#
- 1...Se5
- 2.Sb6#
- 1...Sb6
- 2.Sxb6#
- 1...Sed2
- 2.Sf6#
- 1...Sf2
- 2.Sf6#
- 1...Sc3
- 2.Sf6#
- 1...Sc5
- 2.Sf6#
- 1...Sg5
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Kxd4
- 1.d4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 13
- REMOVED MATES = 0
- Sets
- R(b);N_GUARD::B(H),XS(e)
- Tries
- Try
- B(B);XR(b)
- Threat
- B(H),XS(e)
- Vars
- S(d);OGATE,XP(C)::R1(E)
- S(e);OGATE,XP(C)::R1(F)
- S(e);OGATE::R1(F)
- Refutation
- S(d);CHECK,XB(B)
- Try
- B(H);CHECK,XS(e)
- Refutation
- R(b);XB(H)
- Try
- R(F);XS(e)
- Vars
- R(b);::S(I)
- R(b);::R1(F)
- Refutation
- R(b);XR(F)
- Try
- P(C);XR(b)
- Threat
- B(H),XS(e)
- Vars
- S(d);OGATE::R1(E)
- S(e);OGATE::R1(F)
- Refutation
- S(d);CHECK,XP(C)
- Try
- Actual
- P(C);
- Vars
- K(f);OGATEB,P-FLIGHT,P_SPINR(b),P_SPINS(d),XP(C)::QAR2(A)
- R(b);N_GUARD::B(H),XS(e)
- S(d);N_GUARD::S(I)
- S(d);N_GUARD::S(I),XS(d)
- S(e);N_GUARD::S(I)
- S(e);N_GUARD::S(I),XS(e)
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).