MESON Chess Problem Database
Problem Display
PID: 55414 (8/2BP4/1Kp2N2/2PbN3/1n1kpRp1/1pR3p1/1P3nP1/Q7 w - - 0 1)
Petite, Efren
Variantim, 2004
#2
11 + 9
SOLUTION
- SOUND
- Tries
- 1.Qa4?
- 1...Sd3
- 2.Rxd3#
- 1...Be6
- 2.Sxc6#
- 1...Bf7
- 2.Sxc6#
- 1...Bg8
- 2.Sxc6#
- 1...Sd1
- 2.Rd3#
- 1...Sh1
- 2.Rd3#
- 1...Sh3
- 2.Rd3#
- 1...Bc4!
- 1...Sd3
- 1.d8Q?
- 1...Sfd3
- 2.Rxe4#
- 1...Sd1
- 2.Rxe4#
- 1...Sh1
- 2.Rxe4#
- 1...Sh3
- 2.Rxe4#
- 1...Sa2
- 2.Sxc6#
- 1...Sc2
- 2.Sxc6#
- 1...Sa6
- 2.Sxc6#
- 1...Sbd3!
- 1...Sfd3
- 1.d8R?
- 1...Sfd3
- 2.Rxe4#
- 1...Sd1
- 2.Rxe4#
- 1...Sh1
- 2.Rxe4#
- 1...Sh3
- 2.Rxe4#
- 1...Sa2
- 2.Sxc6#
- 1...Sc2
- 2.Sxc6#
- 1...Sa6
- 2.Sxc6#
- 1...Sbd3!
- 1...Sfd3
- 1.Qa4?
- Keys
- 1.Qg1!
- 1...Sd3
- 2.Rxd3#
- 1...Bc4
- 2.Rxe4#
- 1...Be6
- 2.Rxe4#
- 1...Bf7
- 2.Rxe4#
- 1...Bg8
- 2.Rxe4#
- 1...Sa2
- 2.Rd3#
- 1...Sc2
- 2.Rd3#
- 1...Sa6
- 2.Rd3#
- 1...Sd3
- 1.Qg1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 0
- Sets
- Tries
- Try
- Q(A);P_PINS(d)
- Vars
- S(a);N_GUARD::R1(D),XS(a)
- B(h);N_GUARD::S(G),XP(i)
- S(a);N_GUARD::R1(D)
- Refutation
- B(h);N_SPINS(d)
- Try
- P(K);P_PINB(h)
- Vars
- S(a);N_GUARD::R1(E),XP(f)
- S(d);N_GUARD::S(G),XP(i)
- Refutation
- S(d);
- Try
- P(K);P_PINB(h)
- Vars
- S(a);N_GUARD::R1(E),XP(f)
- S(d);N_GUARD::S(G),XP(i)
- Refutation
- S(d);
- Try
- Actual
- Q(A);P_PINS(a)
- Vars
- S(d);N_GUARD::R1(D),XS(d)
- B(h);N_GUARD::R1(E),XP(f)
- S(d);N_GUARD::R1(D)
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).