MESON Chess Problem Database
Problem Display
PID: 183430 (b1NNBB2/2prr3/p7/ppkn2nR/3RQp2/PP3p2/3P1P2/4K3 w - - 0 1)
Neale, Harry R
The Problemist, 1943
#2
12 + 12
SOLUTION
- SOUND
- Sets
- 1...Sc3
- 2.Se6#
- 1...Se3
- 2.Se6#
- 1...Sb4
- 2.Se6#
- 1...Sb6
- 2.Se6#
- 1...Sf6
- 2.Se6#
- 1...Sc3
- Tries
- 1.Se6+?
- 1...Kc6
- 2.Qxd5#
- 1...Sxe6!
- 1...Kc6
- 1.Ra4?
- threat
- 2.d4#
- 1...b4
- 2.Rxa5#
- 1...Sc3
- 2.Se6#
- 1...Se3
- 2.Se6#
- 1...Sb4
- 2.Se6#
- 1...Sb6
- 2.Se6#
- 1...Sf6
- 2.Se6#
- 1...Se6
- 2.Qc2#
- 1...bxa4!
- threat
- 1.Rxd5+?
- 1...Bxd5
- 2.d4#
- 1...Rxd5!
- 1...Bxd5
- 1.b4+?
- 1...Sxb4
- 2.Se6#
- 1...axb4!
- 1...Sxb4
- 1.Se6+?
- Keys
- 1.Rb4!
- threat
- 2.d4#
- 1...Sxb4
- 2.Se6#
- 1...Sc3
- 2.Se6#
- 1...Se3
- 2.Se6#
- 1...Sb6
- 2.Se6#
- 1...Sf6
- 2.Se6#
- 1...Se6
- 2.Qc2#
- threat
- 1.Rb4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- S(f);P_SPINS(g)::S(J)
- S(f);N_PINQ(G),P_SPINS(g)::S(J)
- Tries
- Try
- S(J);CHECK,N_SPINQ(G)
- Vars
- K(e);N_SPINR(k),P-FLIGHT,P_SPINR(j),P_SPINS(f)::QAB1(G),XS(f)
- Refutation
- S(g);P_SPINS(f),XS(J)
- Try
- R(F);
- Threat
- P(B)
- Vars
- P(d);OGATEB::R(F),XP(c)
- S(f);P_SPINS(g)::S(J)
- S(f);N_PINQ(G),P_SPINS(g)::S(J)
- S(g);N_PINQ(G),P_SPINS(f)::QAR(G)
- Refutation
- P(d);XR(F)
- Try
- R(F);CHECK,XS(f)
- Vars
- B(l);XR(F)::P(B)
- Refutation
- R(j);XR(F)
- Try
- P(E);CHECK
- Vars
- S(f);P_SPINS(g),XP(E)::S(J)
- Refutation
- P(c);XP(E)
- Try
- Actual
- R(F);
- Threat
- P(B)
- Vars
- S(f);P_SPINS(g),XR(F)::S(J)
- S(f);P_SPINS(g)::S(J)
- S(f);N_PINQ(G),P_SPINS(g)::S(J)
- S(g);N_PINQ(G),P_SPINS(f)::QAR(G)
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).