MESON Chess Problem Database
Problem Display
PID: 137666 (4q3/2n2BR1/3ppn2/Qb3kB1/2NP1N1P/4R2P/3PK3/4b3 w - - 0 1)
Hirschenson, Aaron
Comm., Probleemblad, 2010
#2
12 + 8
| 102 | Probleemblad | 2012 |
SOLUTION
- SOUND
- Sets
- 1...Qc6
- 2.Bg6#
- 1...Qd7
- 2.Bg6#
- 1...Qe7
- 2.Bg6#
- 1...Qa8
- 2.Bg6#
- 1...Qb8
- 2.Bg6#
- 1...Qc8
- 2.Bg6#
- 1...Qd8
- 2.Bg6#
- 1...Qf8
- 2.Bg6#
- 1...Qg8
- 2.Bg6#
- 1...Qh8
- 2.Bg6#
- 1...d5
- 2.Re5#
- 1...Qc6
- Tries
- 1.Kd1?
- threat
- 2.Sxd6#
- 1...Qc6
- 2.Bg6#
- 1...Qd7
- 2.Bg6#
- 1...Qe7
- 2.Bg6#
- 1...Qd8
- 2.Bg6#
- 1...Qf8
- 2.Bg6#
- 1...d5
- 2.Sd6#
- 2.Re5#
- 1...Se4!
- threat
- 1.Kxe1?
- threat
- 2.Sxd6#
- 1...Qc6
- 2.Bg6#
- 1...Qd7
- 2.Bg6#
- 1...Qe7
- 2.Bg6#
- 1...Qd8
- 2.Bg6#
- 1...Qf8
- 2.Bg6#
- 1...d5
- 2.Sd6#
- 2.Re5#
- 1...Se4!
- threat
- 1.Sd3?
- threat
- 2.Sxd6#
- 1...Se4
- 2.Rf3#
- 1...Qc6
- 2.Bg6#
- 1...Qd7
- 2.Bg6#
- 1...Qe7
- 2.Bg6#
- 1...Qd8
- 2.Bg6#
- 1...Qf8
- 2.Bg6#
- 1...d5
- 2.Sd6#
- 2.Re5#
- 1...Bg3!
- threat
- 1.Qxb5+?
- 1...Qxb5
- 2.Bg6#
- 1...Sfd5
- 2.Sxd6#
- 2.Qb1#
- 1...Scd5
- 2.Sxd6#
- 1...d5
- 2.Sd6#
- 2.Re5#
- 1...e5
- 2.Sxd6#
- 1...Sxb5!
- 1...Qxb5
- 1.d3?
- threat
- 2.Sxd6#
- 1...Se4
- 2.dxe4#
- 1...Qc6
- 2.Bg6#
- 1...Qd7
- 2.Bg6#
- 1...Qe7
- 2.Bg6#
- 1...Qd8
- 2.Bg6#
- 1...Qf8
- 2.Bg6#
- 1...d5
- 2.Sd6#
- 2.Re5#
- 1...Bb4!
- threat
- 1.Kd1?
- Keys
- 1.Rd3!
- threat
- 2.Sxd6#
- 1...Ke4
- 2.Sxd6#
- 1...Se4
- 2.Se3#
- 1...Qc6
- 2.Bg6#
- 1...Qd7
- 2.Bg6#
- 1...Qe7
- 2.Bg6#
- 1...Qd8
- 2.Bg6#
- 1...Qf8
- 2.Bg6#
- 1...d5
- 2.Sd6#
- threat
- 1.Rd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 5
- Sets
- Q(h);N_GUARD::B(K)
- P(d);N_GUARD,N_SPINB(b)::R1(C)
- Tries
- Try
- K(B);N_SPINS(E),S_FLIGHT
- Threat
- S(E),XP(d)
- Vars
- Q(h);N_GUARD::B(K)
- Refutation
- S(f);
- Try
- K(B);N_SPINS(E),P-FLIGHT,XB(a)
- Threat
- S(E),XP(d)
- Vars
- Q(h);N_GUARD::B(K)
- Refutation
- S(f);
- Try
- S(G);N_SPINS(E)
- Threat
- S(E),XP(d)
- Vars
- S(f);SBLOCK::R(C)
- Q(h);N_GUARD::B(K)
- Refutation
- B(a);
- Try
- Q(I);CHECK,N_SPINS(E),XB(b)
- Vars
- Q(h);P_PINS(E),XQ(I)::B(K)
- S(g);P_SPINS(g)::S(E),XP(d)
- P(e);P_SPINP(e)::S(E),XP(d)
- Refutation
- S(g);XQ(I)
- Try
- P(A);N_SPINS(E)
- Threat
- S(E),XP(d)
- Vars
- S(f);OGATE::P(A),XS(f)
- Q(h);N_GUARD::B(K)
- Refutation
- B(a);
- Try
- Actual
- R(C);N_SPINS(E)
- Threat
- S(E),XP(d)
- Vars
- K(c);N_SPINB(b),S_FLIGHT::S(E),XP(d)
- S(f);SBLOCK::S(E)
- Q(h);N_GUARD::B(K)
- P(d);N_SPINB(b)::S(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).