MESON Chess Problem Database
Problem Display
PID: 22741 (K4B2/2P3r1/1prR1p2/1b2kP2/p2NN1pb/Q3P1p1/4P1B1/5R2 w - - 0 1)
Jones, Christopher JAJ
The Problemist, 1998
#2
12 + 10
SOLUTION
- SOUND
- Sets
- 1...Rxd6
- 2.Qxd6#
- 1...Bxe2
- 2.Sxc6#
- 1...Bd3
- 2.Sxc6#
- 1...Bc4
- 2.Sxc6#
- 1...Ba6
- 2.Sxc6#
- 1...Rxd6
- Tries
- 1.Sd2?
- threat
- 2.Rd5#
- 1...Rxd6
- 2.Bxd6#
- 2.Qxd6#
- 1...Rc5
- 2.Re6#
- 1...Bc4
- 2.Sxc6#
- 1...Rd7!
- threat
- 1.Sf2?
- threat
- 2.Rd5#
- 1...Rxd6
- 2.Bxd6#
- 2.Qxd6#
- 1...Rc5
- 2.Re6#
- 1...Rd7
- 2.Sxg4#
- 1...Bc4!
- threat
- 1.Sc3?
- threat
- 2.Rd5#
- 1...Rxd6
- 2.Bxd6#
- 2.Qxd6#
- 1...Rc5
- 2.Re6#
- 1...Bc4
- 2.Sxc6#
- 1...Rd7!
- threat
- 1.Sxg3?
- threat
- 2.Rd5#
- 1...Rxd6
- 2.Bxd6#
- 2.Qxd6#
- 1...Rc5
- 2.Re6#
- 1...Bc4
- 2.Sxc6#
- 1...Rd7!
- threat
- 1.Sc5?
- threat
- 2.Rd5#
- 1...Rxc5
- 2.Re6#
- 1...Rd7
- 2.Sxd7#
- 1...Bc4
- 2.Sxc6#
- 1...Rxd6!
- threat
- 1.Sg5?
- threat
- 2.Rd5#
- 1...Rxd6
- 2.Bxd6#
- 2.Qxd6#
- 1...fxg5
- 2.Bxg7#
- 1...Rc5
- 2.Re6#
- 1...Bc4
- 2.Sxc6#
- 1...Rd7!
- threat
- 1.Re6+?
- 1...Kd5
- 2.Sd2#
- 2.Sd6#
- 1...Rxe6!
- 1...Kd5
- 1.Qa2?
- threat
- 2.Rd5#
- 2.Qd5#
- 2.Qe6#
- 1...Rxd6
- 2.Bxd6#
- 1...Rd7
- 2.Qd5#
- 2.Qe6#
- 1...Rc5
- 2.Re6#
- 2.Qe6#
- 1...Re7
- 2.Rd5#
- 2.Qd5#
- 1...Bc4
- 2.Sxc6#
- 1...Rc4!
- threat
- 1.Sd2?
- Keys
- 1.Sxf6!
- 1...Rxd6
- 2.Qxd6#
- 1...Rcxc7
- 2.Re6#
- 1...Rgxc7
- 2.Sxg4#
- 1...Bxf6
- 2.Rd5#
- 1...Bxe2
- 2.Sxc6#
- 1...Rd7
- 2.Sxg4#
- 2.Sxd7#
- 1...Rc1
- 2.Re6#
- 1...Rc2
- 2.Re6#
- 1...Rc3
- 2.Re6#
- 1...Rc4
- 2.Re6#
- 1...Rc5
- 2.Re6#
- 1...Rg5
- 2.Sd7#
- 1...Rg6
- 2.Sd7#
- 1...Re7
- 2.Sxg4#
- 1...Rf7
- 2.Sxg4#
- 1...Rh7
- 2.Sxg4#
- 1...Rg8
- 2.Sd7#
- 1...Bg5
- 2.Sxg4#
- 1...Bd3
- 2.Sxc6#
- 1...Bc4
- 2.Sxc6#
- 1...Ba6
- 2.Sxc6#
- 1...Rxd6
- 1.Sxf6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 15
- REMOVED MATES = 0
- Sets
- R(h);OGATE,XR(I)::QAB1(D),XR(h)
- B(e);N_GUARD,XP(B)::S(F),XR(h)
- B(e);N_GUARD::S(F),XR(h)
- Tries
- Try
- S(G);
- Threat
- R1(I)
- Vars
- R(h);N_GUARD::R1(I)
- B(e);N_GUARD::S(F),XR(h)
- Refutation
- R(j);
- Try
- S(G);
- Threat
- R1(I)
- Vars
- R(h);N_GUARD::R1(I)
- R(j);N_GUARD::S(G),XP(c)
- Refutation
- B(e);
- Try
- S(G);
- Threat
- R1(I)
- Vars
- R(h);N_GUARD::R1(I)
- B(e);N_GUARD::S(F),XR(h)
- Refutation
- R(j);
- Try
- S(G);XP(a)
- Threat
- R1(I)
- Vars
- R(h);N_GUARD::R1(I)
- B(e);N_GUARD::S(F),XR(h)
- Refutation
- R(j);
- Try
- S(G);
- Threat
- R1(I)
- Vars
- R(h);N_GUARD,XS(G)::R1(I)
- R(j);N_GUARD::S(G),XR(j)
- B(e);N_GUARD::S(F),XR(h)
- Refutation
- R(h);XR(I)
- Try
- S(G);
- Threat
- R1(I)
- Vars
- P(i);OGATEB,XS(G)::B(L),XR(j)
- R(h);N_GUARD::R1(I)
- B(e);N_GUARD::S(F),XR(h)
- Refutation
- R(j);
- Try
- R(I);CHECK
- Refutation
- R(h);XR(I)
- Try
- Q(D);
- Threat
- DUALS(3)
- Vars
- R(h);OGATE,XR(I)::B(L),XR(h)
- B(e);N_GUARD::S(F),XR(h)
- Refutation
- R(h);
- Try
- Actual
- S(G);XP(i)
- Vars
- R(h);OGATE,XR(I)::QAB1(D),XR(h)
- R(h);N_GUARD,XP(J)::R1(I)
- R(j);N_GUARD,XP(J)::S(G),XP(c)
- B(d);SBLOCK,XS(G)::R1(I)
- B(e);N_GUARD,XP(B)::S(F),XR(h)
- R(h);N_GUARD::R1(I)
- R(j);N_GUARD::S(G)
- R(j);N_GUARD::S(G),XP(c)
- R(j);N_GUARD,P_PINB(L)::S(G)
- B(d);S_CUTR(j)::S(G),XP(c)
- B(e);N_GUARD::S(F),XR(h)
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).