MESON Chess Problem Database
Problem Display
PID: 107604 (1bNn1B2/nr6/Kp4R1/1p1k1r2/p2p1P2/1p4N1/B3Q3/2R4b w - - 0 1)
Atkinson, William
Ottawa Citizen, 1885
#2
9 + 12
| 5454 | Near Snap | 2009 |
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rc7
- 2.Sxb6#
- 2.Rd6#
- 1...Rd7
- 2.Sxb6#
- 1...Re7
- 2.Sxb6#
- 2.Sxe7#
- 1...Rf7
- 2.Sxb6#
- 1...Rg7
- 2.Sxb6#
- 1...Rh7
- 2.Sxb6#
- 1...Bg2
- 2.Qxg2#
- 1...Bf3
- 2.Qxf3#
- 1...Be4
- 2.Qxe4#
- 1...Bd6
- 2.Rxd6#
- 1...Bc7
- 2.Se7#
- 1...Sac6
- 2.Qxb5#
- 1...Sxc8
- 2.Qxb5#
- 1...Sdc6
- 2.Qe6#
- 1...Se6
- 2.Qxe6#
- 1...Sf7
- 2.Qe6#
- 1...bxa2
- 2.Qxa2#
- 1...a3
- 2.Bxb3#
- 1...d3
- 2.Qxd3#
- 1...b4
- 2.Qc4#
- 1...Rc7
- Tries
- 1.Rc7?
- threat
- 2.Se7#
- 2.Rd6#
- 1...Rxc7
- 2.Sxb6#
- 1...Sxc8
- 2.Qxb5#
- 1...d3
- 2.Rd6#
- 2.Qxd3#
- 1...Re5
- 2.Rd6#
- 2.Qxe5#
- 1...Rf6
- 2.Qe5#
- 1...Rf7
- 2.Rd6#
- 2.Qe5#
- 1...Sac6
- 2.Qxb5#
- 1...Sdc6
- 2.Qe6#
- 1...Se6
- 2.Qxe6#
- 1...Sf7
- 2.Se7#
- 2.Qe6#
- 1...Bxc7!
- threat
- 1.Rxb6?
- threat
- 2.Rc5#
- 1...Rxb6+
- 2.Sxb6#
- 1...d3
- 2.Qxd3#
- 1...Rc7
- 2.Rd6#
- 1...Re7
- 2.Sxe7#
- 1...Bd6
- 2.Rxd6#
- 1...Se6
- 2.Qxe6#
- 1...Rxf8!
- threat
- 1.Rc7?
- Keys
- 1.Bd6!
- 1...Rxf4
- 2.Qe5#
- 1...Bxd6
- 2.Rxd6#
- 1...Sxc8
- 2.Qxb5#
- 1...bxa2
- 2.Qxa2#
- 1...d3
- 2.Qxd3#
- 1...Re5
- 2.Qxe5#
- 1...Rg5
- 2.Rxg5#
- 1...Rh5
- 2.Qxh5#
- 1...Rf6
- 2.Qe5#
- 1...Rff7
- 2.Qe5#
- 1...Rf8
- 2.Qe5#
- 1...Rc7
- 2.Sxb6#
- 1...Rd7
- 2.Sxb6#
- 1...Re7
- 2.Sxb6#
- 2.Sxe7#
- 1...Rbf7
- 2.Sxb6#
- 1...Rg7
- 2.Sxb6#
- 1...Rh7
- 2.Sxb6#
- 1...Bg2
- 2.Qxg2#
- 1...Bf3
- 2.Qxf3#
- 1...Be4
- 2.Qxe4#
- 1...Bc7
- 2.Se7#
- 1...Sac6
- 2.Qxb5#
- 1...Sdc6
- 2.Qe6#
- 1...Se6
- 2.Qxe6#
- 1...Sf7
- 2.Qe6#
- 1...a3
- 2.Bxb3#
- 1...b4
- 2.Qc4#
- 1...Rxf4
- 1.Bd6!
This anticipates 53893(1955)
This is a version of 4652
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 0
- Sets
- R(j);N_GUARD::S(H),XP(h)
- B(a);N_GUARD::QAB(C),XB(a)
- B(a);N_GUARD::QAB1(C),XB(a)
- B(k);N_GUARD::R1(G),XB(k)
- B(k);S_CUTR(j)::S(H)
- S(i);N_GUARD::QAR2(C),XP(e)
- S(i);N_GUARD,XS(H)::QAR2(C),XP(e)
- S(l);N_GUARD::QAB1(C)
- S(l);N_GUARD::QAB1(C),XS(l)
- P(b);N_SPINP(b),OGATE,XB(B)::QAB(C),XP(b)
- P(c);N_GUARD::B(B),XP(b)
- P(d);OGATEB::QAR2(C),XP(d)
- P(e);N_GUARD::QAB1(C)
- Tries
- Try
- R(A);
- Threat
- DUALS(2)
- Vars
- R(j);N_GUARD,XR(A)::S(H),XP(h)
- S(i);N_GUARD,XS(H)::QAR2(C),XP(e)
- R(g);N_GUARD::QAR1(C)
- S(i);N_GUARD::QAR2(C),XP(e)
- S(l);N_GUARD::QAB1(C)
- S(l);N_GUARD::QAB1(C),XS(l)
- Refutation
- B(k);XR(A)
- Try
- R(G);XP(h)
- Threat
- R1(A)
- Vars
- R(j);CHECK,XR(G)::S(H),XR(j)
- P(d);OGATEB::QAR2(C),XP(d)
- R(j);S_CUTB(k)::R1(G)
- R(j);N_GUARD::S(H),XR(j)
- B(k);N_GUARD::R1(G),XB(k)
- S(l);N_GUARD::QAB1(C),XS(l)
- Refutation
- R(g);XB(I)
- Try
- Actual
- B(I);
- Vars
- R(g);N_GUARD,XP(E)::QAR1(C)
- B(k);OGATE,XB(I)::R1(G),XB(k)
- S(i);N_GUARD,XS(H)::QAR2(C),XP(e)
- P(b);N_SPINP(b),OGATE,XB(B)::QAB(C),XP(b)
- P(d);OGATEB::QAR2(C),XP(d)
- R(g);N_GUARD::QAR1(C),XR(g)
- R(g);OGATEB::R(G),XR(g)
- R(g);OGATEB::QAR(C),XR(g)
- R(g);N_GUARD::QAR1(C)
- R(j);N_GUARD::S(H),XP(h)
- B(a);N_GUARD::QAB(C),XB(a)
- B(a);N_GUARD::QAB1(C),XB(a)
- B(k);S_CUTR(j)::S(H)
- S(i);N_GUARD::QAR2(C),XP(e)
- S(l);N_GUARD::QAB1(C)
- S(l);N_GUARD::QAB1(C),XS(l)
- P(c);N_GUARD::B(B),XP(b)
- P(e);N_GUARD::QAB1(C)
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).