MESON Chess Problem Database
Problem Display
PID: 75100 (8/8/R2b4/4kpP1/1Pbr1N2/6Q1/1Bn4K/2N4B w - - 0 1)
Valle, Giovanni Batista
2nd Prize, La Strategie, 1876
#2
9 + 6
| 6169 | Dal classico agli albori del moderno compositori scacchisti | 2007 |
SOLUTION
- SOUND
- Sets
- 1...Ba2
- 2.Scd3#
- 1...Bb3
- 2.Scd3#
- 1...Bd3
- 2.Scxd3#
- 1...Bd5
- 2.Scd3#
- 1...Be6
- 2.Scd3#
- 2.Sfd3#
- 2.Sg6#
- 1...Bf7
- 2.Scd3#
- 1...Bg8
- 2.Scd3#
- 1...Bxb4
- 2.Sfd3#
- 2.Sg6#
- 1...Bc5
- 2.Sfd3#
- 2.Sg6#
- 1...Bc7
- 2.Sfd3#
- 2.Sg6#
- 1...Be7
- 2.Sfd3#
- 2.Sg6#
- 1...Bb8
- 2.Sfd3#
- 2.Sg6#
- 1...Bf8
- 2.Sfd3#
- 2.Sg6#
- 1...Sa1
- 2.Qe3#
- 1...Se1
- 2.Qe3#
- 1...Sa3
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...Sxb4
- 2.Qe3#
- 1...Ba2
- Tries
- 1.Bxd4+?
- 1...Sxd4
- 2.Qe3#
- 1...Kxd4!
- 1...Sxd4
- 1.Ra5+?
- 1...Bb5
- 2.Scd3#
- 1...Bd5
- 2.Scd3#
- 2.Rxd5#
- 1...Bc5!
- 1...Bb5
- 1.Rxd6?
- threat
- 2.Sfd3#
- 2.Sg6#
- 1...Bd3
- 2.Sfxd3#
- 2.Sg6#
- 2.Rd5#
- 2.Re6#
- 1...Kxd6!
- threat
- 1.Qe1+?
- 1...Kxf4
- 2.Qg3#
- 1...Be2
- 2.Scd3#
- 1...Se3
- 2.Qxe3#
- 1...Sxe1!
- 1...Kxf4
- 1.Bxd4+?
- Keys
- 1.Qb3!
- 1...Kxf4
- 2.Qg3#
- 1...Bxb3
- 2.Scd3#
- 1...Bxa6
- 2.Sg6#
- 1...Bxb4
- 2.Sg6#
- 1...Sxb4
- 2.Qe3#
- 1...Bf1
- 2.Sg6#
- 1...Be2
- 2.Sg6#
- 1...Bd3
- 2.Scxd3#
- 2.Sfxd3#
- 2.Sg6#
- 1...Bb5
- 2.Sg6#
- 1...Bd5
- 2.Scd3#
- 1...Be6
- 2.Scd3#
- 2.Sfd3#
- 2.Sg6#
- 1...Bf7
- 2.Scd3#
- 2.Sfd3#
- 1...Bg8
- 2.Scd3#
- 2.Sfd3#
- 2.Sg6#
- 1...Bc5
- 2.Sg6#
- 1...Bc7
- 2.Sg6#
- 1...Be7
- 2.Sg6#
- 1...Bb8
- 2.Sg6#
- 1...Bf8
- 2.Sg6#
- 1...Sa1
- 2.Qe3#
- 1...Se1
- 2.Qe3#
- 1...Sa3
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...Kxf4
- 1.Qb3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 11
- REMOVED MATES = 4
- Sets
- B(b);N_GUARD::S(A)
- B(b);N_GUARD::S(A),XB(b)
- S(a);N_GUARD::QAR2(E)
- S(a);N_GUARD::QAR2(E),XS(a)
- S(a);N_GUARD,XP(F)::QAR2(E)
- Tries
- Try
- B(C);CHECK,XR(c)
- Vars
- S(a);XB(C)::QAR2(E)
- Refutation
- K(d);S_FLIGHT,XB(C)
- Try
- R(I);CHECK
- Vars
- B(b);P_SPINB(b)::S(A)
- Refutation
- B(f);P_SPINB(f)
- Try
- R(I);XB(f)
- Threat
- DUALS(2)
- Refutation
- K(d);N_SPINR(c),S_FLIGHT,XR(I)
- Try
- Q(E);CHECK
- Vars
- K(d);N_SPINR(c),OGATEB,S_FLIGHT,XS(G)::QAB1(E)
- B(b);P_SPINB(b)::S(A)
- S(a);N_GUARD,P_SPINS(a)::QAR2(E),XS(a)
- Refutation
- S(a);XQ(E)
- Try
- Actual
- Q(E);
- Vars
- K(d);N_SPINR(c),OGATEB,S_FLIGHT,XS(G)::QAB1(E)
- B(b);N_GUARD,XQ(E)::S(A)
- B(b);XR(I)::S(G)
- B(f);XP(F)::S(G)
- S(a);N_GUARD,XP(F)::QAR2(E)
- B(b);::S(G)
- B(b);N_GUARD::S(A)
- B(f);::S(G)
- S(a);N_GUARD::QAR2(E)
- S(a);N_GUARD::QAR2(E),XS(a)
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).