MESON Chess Problem Database
Problem Display
PID: 187672 (K6b/1n3B2/pR6/2R5/3k4/B3pP2/2P3Pr/3rn2Q w - - 0 1)
Woodard, Eugene
2nd Prize, Philadelphia Item, 1909
#2
9 + 8
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Rh4
- 2.Qxh4#
- 1...Be5
- 2.Rc4#
- 1...Sxc2
- 2.Qxd1#
- 1...Sxg2
- 2.Qxd1#
- 1...Sd3
- 2.c3#
- 1...Sa5
- 2.Rd6#
- 1...Sxc5
- 2.Bb2#
- 1...Sd6
- 2.Rxd6#
- 1...Sd8
- 2.Rd6#
- 1...e2
- 2.Qg1#
- 1...Rh4
- Tries
- 1.Rd5+?
- 1...Kc4
- 2.Rd3#
- 1...Kc3!
- 1...Kc4
- 1.Rbb5?
- threat
- 2.Bb2#
- 2.Rc4#
- 1...Sxc2
- 2.Qxd1#
- 1...Sxf3
- 2.Rc4#
- 1...Sxc5
- 2.Bb2#
- 1...e2
- 2.Qg1#
- 1...Rb1
- 2.Rc4#
- 1...Rd3
- 2.Rc4#
- 1...Sd3
- 2.Rc4#
- 2.c3#
- 1...Sa5
- 2.Bb2#
- 1...Sd6
- 2.Bb2#
- 1...axb5!
- threat
- 1.Rxa6?
- threat
- 2.Ra4#
- 1...Sxc2
- 2.Qxd1#
- 1...Sxc5
- 2.Bb2#
- 1...e2
- 2.Qg1#
- 1...Sd3
- 2.c3#
- 1...Sa5
- 2.Rd6#
- 1...Sd6
- 2.Rxd6#
- 1...Rb1!
- threat
- 1.Rbc6?
- threat
- 2.Bb2#
- 2.Rd5#
- 1...Sxc2
- 2.Rd5#
- 2.Qxd1#
- 1...Sxc5
- 2.Bb2#
- 1...e2
- 2.Qg1#
- 1...Rb1
- 2.Rd5#
- 1...Rd3
- 2.Rd5#
- 1...Rh5
- 2.Bb2#
- 1...Sd3
- 2.Rd5#
- 2.c3#
- 1...Sxf3!
- threat
- 1.Rf6?
- threat
- 2.Rf4#
- 1...Sxc2
- 2.Qxd1#
- 1...Sxg2
- 2.Qxd1#
- 1...Sxc5
- 2.Bb2#
- 1...e2
- 2.Qg1#
- 1...Rh4
- 2.Qxh4#
- 1...Sd3
- 2.c3#
- 1...Sd6
- 2.Rxd6#
- 1...Bxf6!
- threat
- 1.Qxe1?
- threat
- 2.Qc3#
- 2.Qb4#
- 2.Qxd1#
- 1...Rxg2
- 2.Qc3#
- 2.Qb4#
- 1...Sxc5
- 2.Bb2#
- 1...e2
- 2.Qf2#
- 2.Qc3#
- 1...Rb1
- 2.Qc3#
- 1...Ra1
- 2.Qc3#
- 2.Qb4#
- 2.Qxa1#
- 1...Rc1
- 2.Qc3#
- 2.Qb4#
- 1...Rd2
- 2.Qa1#
- 1...Rd3
- 2.Qb4#
- 1...Rh1
- 2.Qc3#
- 2.Qb4#
- 1...Sa5
- 2.Rd6#
- 2.Qc3#
- 2.Qxd1#
- 1...Sd6
- 2.Rxd6#
- 2.Qc3#
- 2.Qxd1#
- 1...a5
- 2.Qc3#
- 2.Qxd1#
- 1...Rxe1!
- threat
- 1.Qf1?
- threat
- 2.Qc4#
- 2.c3#
- 1...Sxc2
- 2.Qc4#
- 2.Qxd1#
- 1...Sxf3
- 2.Qc4#
- 1...Sxc5
- 2.Bb2#
- 1...e2
- 2.Qg1#
- 2.Qf2#
- 1...Rc1
- 2.Qc4#
- 1...Sd3
- 2.c3#
- 1...Sa5
- 2.Rd6#
- 2.c3#
- 1...Sd6
- 2.Rxd6#
- 2.c3#
- 1...Rd3!
- threat
- 1.Qxh2?
- threat
- 2.Rc4#
- 2.Qf4#
- 2.Qh4#
- 2.Qxh8#
- 1...Sxg2
- 2.Rc4#
- 2.Qxh8#
- 1...Sxf3
- 2.Rc4#
- 2.Qf4#
- 1...Sxc5
- 2.Bb2#
- 2.Qxh8#
- 1...e2
- 2.Qg1#
- 2.Qf4#
- 1...Be5
- 2.Rc4#
- 2.Qxe5#
- 1...Bf6
- 2.Rc4#
- 2.Qf4#
- 1...Bg7
- 2.Rc4#
- 2.Qf4#
- 2.Qh4#
- 1...Sd3
- 2.Rc4#
- 2.c3#
- 1...Sa5
- 2.Rd6#
- 2.Qf4#
- 2.Qd6#
- 2.Qh4#
- 2.Qxh8#
- 1...Sd6
- 2.Rxd6#
- 2.Qxd6#
- 2.Qxh8#
- 1...Sxc2!
- threat
- 1.Rd5+?
- Keys
- 1.Rg6!
- threat
- 2.Rg4#
- 1...Rxg2
- 2.Qxh8#
- 1...Sxc2
- 2.Qxd1#
- 1...Sxg2
- 2.Qxd1#
- 1...Sxc5
- 2.Bb2#
- 1...e2
- 2.Qg1#
- 1...Rh4
- 2.Qxh4#
- 1...Be5
- 2.Rc4#
- 1...Sd3
- 2.c3#
- 1...Sd6
- 2.Rxd6#
- threat
- 1.Rg6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 2
- Sets
- R(c);OGATE::QAR(A),XR(c)
- B(h);SBLOCK::R1(F)
- S(b);OGATE,XP(B)::QAR(A),XR(a)
- S(b);OGATE,XP(C)::QAR(A),XR(a)
- S(b);SBLOCK::P(B)
- S(g);N_GUARD::R(G)
- S(g);SBLOCK,XR(F)::B(D)
- S(g);N_GUARD::R(G),XS(g)
- P(d);OGATEB::QAB(A)
- Tries
- Try
- R(F);CHECK
- Vars
- K(e);OGATE,P-FLIGHT::B(H)+R(F)
- Refutation
- K(e);S_FLIGHT
- Try
- R(G);
- Threat
- DUALS(2)
- Vars
- S(b);OGATE,XP(B)::QAR(A),XR(a)
- S(b);XP(E)::R1(F)
- S(g);XR(F)::B(D)
- P(d);OGATEB::QAB(A)
- R(a);::R1(F)
- S(g);::B(D)
- Refutation
- P(f);XR(G)
- Try
- R(G);XP(f)
- Threat
- R(G)
- Vars
- S(b);OGATE,XP(B)::QAR(A),XR(a)
- S(g);SBLOCK,XR(F)::B(D)
- P(d);OGATEB::QAB(A)
- S(b);SBLOCK::P(B)
- S(g);N_GUARD::R(G)
- S(g);N_GUARD::R(G),XS(g)
- Refutation
- R(a);
- Try
- R(G);
- Threat
- DUALS(2)
- Vars
- S(g);XR(F)::B(D)
- P(d);OGATEB::QAB(A)
- R(a);::R1(F)
- R(c);::B(D)
- Refutation
- S(b);XP(E)
- Try
- R(G);
- Threat
- R(G)
- Vars
- S(b);OGATE,XP(B)::QAR(A),XR(a)
- S(b);OGATE,XP(C)::QAR(A),XR(a)
- S(g);SBLOCK,XR(F)::B(D)
- P(d);OGATEB::QAB(A)
- R(c);OGATE::QAR(A),XR(c)
- S(b);SBLOCK::P(B)
- S(g);N_GUARD::R(G),XS(g)
- Refutation
- B(h);XR(G)
- Try
- Q(A);XS(b)
- Threat
- DUALS(3)
- Vars
- S(g);SBLOCK,XR(F)::B(D)
- R(a);::QAB1(A)
- R(a);OGATE::QAB(A)
- R(a);::QAR2(A)
- Refutation
- R(a);XQ(A)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- S(b);XP(E)::QAR1(A)
- S(g);SBLOCK,XR(F)::B(D)
- R(a);::QAR1(A)
- S(b);::P(B)
- Refutation
- R(a);
- Try
- Q(A);XR(c)
- Threat
- DUALS(4)
- Refutation
- S(b);XP(B)
- Try
- Actual
- R(G);
- Threat
- R(G)
- Vars
- R(c);OGATE,XP(C)::QAB(A),XB(h)
- S(b);OGATE,XP(B)::QAR(A),XR(a)
- S(b);OGATE,XP(C)::QAR(A),XR(a)
- S(g);SBLOCK,XR(F)::B(D)
- P(d);OGATEB::QAB(A)
- R(c);OGATE::QAR(A),XR(c)
- B(h);SBLOCK::R1(F)
- S(b);SBLOCK::P(B)
- S(g);N_GUARD::R(G),XS(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).