MESON Chess Problem Database
Problem Display
PID: 248170 (r3rB2/p2P1PK1/4N3/R2nk1pp/8/4P2Q/3NR2p/b3n3 w - - 0 1)
Holladay, Edgar Dinwiddie
Comm., White MT (B), 1952-1953
#2
10 + 10
| 14867 | BCPS Library | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Bd4
- 2.exd4#
- 1...Bd4
- Tries
- 1.Sd4?
- threat
- 2.Sc6#
- 2.Qf5#
- 2.Qxh2#
- 2.Qg3#
- 1...Rxf8
- 2.Qe6#
- 2.Qxh2#
- 2.Qg3#
- 1...Re7
- 2.Qxh2#
- 2.Qg3#
- 1...h1Q
- 2.Sc6#
- 2.Qf5#
- 2.Qg3#
- 1...h1S
- 2.Sc6#
- 2.Qf5#
- 1...h1B
- 2.Sc6#
- 2.Qf5#
- 2.Qh2#
- 2.Qg3#
- 1...h1R
- 2.Sc6#
- 2.Qf5#
- 2.Qg3#
- 1...Rac8
- 2.Qf5#
- 2.Qxh2#
- 2.Qg3#
- 1...Re6
- 2.Qf5#
- 2.Qxe6#
- 2.Qxh2#
- 2.Qg3#
- 1...Rec8
- 2.Qf5#
- 2.Qe6#
- 2.Qxh2#
- 2.Qg3#
- 1...Sg2
- 2.S4f3#
- 2.Sc6#
- 2.Qf5#
- 1...Sd3
- 2.S4f3#
- 2.Sc6#
- 2.Qf5#
- 1...Sf3
- 2.S4xf3#
- 2.Sc6#
- 2.Qf5#
- 2.Qg3#
- 1...g4
- 2.Qg3#
- 2.Qxh5#
- 1...h4
- 2.Sc6#
- 2.Qf5#
- 2.Qxh2#
- 1...Bxd4!
- threat
- 1.Sf4?
- threat
- 2.Sg6#
- 2.Rxd5#
- 1...Rxf8
- 2.Rxd5#
- 2.Qe6#
- 1...Re7
- 2.Rxd5#
- 1...g4
- 2.Rxd5#
- 2.Qxh5#
- 1...h1Q
- 2.Sg6#
- 1...h1B
- 2.Sg6#
- 1...Re6
- 2.Rxd5#
- 2.Qxe6#
- 1...gxf4!
- threat
- 1.Sxg5?
- threat
- 2.Sc4#
- 1...Rec8
- 2.Qe6#
- 1...Rac8!
- threat
- 1.Qg4?
- threat
- 2.Sc4#
- 2.Qe4#
- 1...Rxf8
- 2.Sc4#
- 1...Re7
- 2.Sc4#
- 1...h1Q
- 2.Sc4#
- 1...h1B
- 2.Sc4#
- 1...Rac8
- 2.Qe4#
- 1...Rec8
- 2.Qe4#
- 1...hxg4!
- threat
- 1.dxe8Q?
- threat
- 2.Sd8#
- 1...g4
- 2.Qxh5#
- 1...Rd8
- 2.Sxd8#
- 1...Rxe8!
- threat
- 1.dxe8R?
- threat
- 2.Sd8#
- 1...g4
- 2.Qxh5#
- 1...Rd8
- 2.Sxd8#
- 1...Rxe8!
- threat
- 1.fxe8Q?
- threat
- 2.Sd8#
- 1...g4
- 2.Qhxh5#
- 1...Rd8
- 2.Sxd8#
- 1...Rxe8!
- threat
- 1.fxe8R?
- threat
- 2.Sd8#
- 1...g4
- 2.Qxh5#
- 1...Rd8
- 2.Sxd8#
- 1...Rxe8!
- threat
- 1.Sd4?
- Keys
- 1.Sc5!
- threat
- 2.Sc4#
- 1...Sxe3
- 2.Se6#
- 1...Sc3
- 2.Sd3#
- 1...Sb4
- 2.Sd3#
- 1...Sf4
- 2.Sd3#
- 1...Sb6
- 2.Sd3#
- 1...Sf6
- 2.Sd3#
- 1...Sc7
- 2.Sd3#
- 1...Se7
- 2.Qe6#
- 1...g4
- 2.Qxh5#
- threat
- 1.Sc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 9
- REMOVED MATES = 1
- Sets
- B(a);OGATE::R(B)+P(C)DCHECK,XB(a)
- Tries
- Try
- S(F);
- Threat
- DUALS(4)
- Refutation
- B(a);XS(F)
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- R(j);P_PINP(H)::R1(E),XS(d)
- P(c);::S(F)
- Refutation
- P(f);XS(F)
- Try
- S(F);XP(f)
- Threat
- S(A)
- Vars
- R(j);N_GUARD::QAR1(D)
- Refutation
- R(i);
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- R(j);XB(J)::S(A)
- R(j);P_PINP(H)::S(A)
- P(c);::S(A)
- R(i);::QAR1(D)
- R(j);::QAR1(D)
- Refutation
- P(g);XQ(D)
- Try
- P(G);XR(j)
- Threat
- QAR(G)+S(F)
- Vars
- P(f);OGATEB::QAR(D),XP(g)
- R(i);::QAR(G)+S(F),XR(i)
- Refutation
- R(i);XQ(G)
- Try
- P(G);XR(j)
- Threat
- R(G)+S(F)
- Vars
- P(f);OGATEB::QAR(D),XP(g)
- R(i);::R(G)+S(F),XR(i)
- Refutation
- R(i);XR(G)
- Try
- P(H);XR(j)
- Threat
- QAR(H)+S(F)
- Vars
- P(f);OGATEB::QAR(D),XP(g)
- R(i);::QAR(H)+S(F),XR(i)
- Refutation
- R(i);XQ(H)
- Try
- P(H);XR(j)
- Threat
- R(H)+S(F)
- Vars
- P(f);OGATEB::QAR(D),XP(g)
- R(i);::R(H)+S(F),XR(i)
- Refutation
- R(i);XR(H)
- Try
- Actual
- S(F);N_PINS(d)
- Threat
- S(A)
- Vars
- S(d);P_SPINS(d),XP(C)::R(E)+S(F)
- S(d);::R(E)+S(F),DCHECK
- S(d);S_CUTR(j)::QAR1(D)
- P(f);OGATEB::QAR(D),XP(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).