MESON Chess Problem Database
Problem Display
PID: 62454 (B1bN4/1r1n3p/r2npb1R/4k1NR/1p2Pp2/1P6/7B/6QK w - - 0 1)
Patterson, James
1st Prize, American Ty., 0000
#2
10 + 11
| 58 | Tijdschrift vd NSB | 1896 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Sc6#
- 2.Qxa1#
- 1...Ra2
- 2.Sc6#
- 1...Ra3
- 2.Sc6#
- 1...Ra4
- 2.Sc6#
- 1...Ra5
- 2.Sc6#
- 1...Rab6
- 2.Qa1#
- 1...Rc6
- 2.Sxc6#
- 1...Raa7
- 2.Sc6#
- 1...Rxa8
- 2.Sc6#
- 1...Rb5
- 2.Sf3#
- 2.Sgf7#
- 1...Rbb6
- 2.Sf3#
- 2.Sgf7#
- 1...Rba7
- 2.Sf3#
- 2.Sgf7#
- 1...Rc7
- 2.Sf3#
- 2.Sgf7#
- 1...Rb8
- 2.Sf3#
- 2.Sgf7#
- 1...Bxg5
- 2.Rxe6#
- 1...Be7
- 2.Rxe6#
- 1...Bg7
- 2.Rxe6#
- 1...Bxd8
- 2.Rxe6#
- 1...Bh8
- 2.Rxe6#
- 1...Sc4
- 2.Sdf7#
- 1...Sxe4
- 2.Sgf7#
- 1...Sb5
- 2.Sdf7#
- 1...Sf5
- 2.Sdf7#
- 1...Sf7
- 2.Sdxf7#
- 1...Se8
- 2.Sdf7#
- 1...Sc5
- 2.Qxc5#
- 1...Sb6
- 2.Sc6#
- 1...Sb8
- 2.Qc5#
- 1...Sf8
- 2.Qc5#
- 1...Ra1
- Tries
- 1.Kg2?
- 1...Rxa8
- 2.Sc6#
- 1...Bxg5
- 2.Rxe6#
- 1...Bxd8
- 2.Rxe6#
- 1...Sxe4
- 2.Sgf7#
- 1...Sc4
- 2.Sdf7#
- 1...Sb5
- 2.Sdf7#
- 1...Sf5
- 2.Sdf7#
- 1...Sf7
- 2.Sdxf7#
- 1...Se8
- 2.Sdf7#
- 1...Ra1
- 2.Sc6#
- 2.Qxa1#
- 1...Ra3
- 2.Sc6#
- 1...Ra4
- 2.Sc6#
- 1...Ra5
- 2.Sc6#
- 1...Rab6
- 2.Qa1#
- 1...Rc6
- 2.Sxc6#
- 1...Raa7
- 2.Sc6#
- 1...Rb5
- 2.Sf3#
- 2.Sgf7#
- 1...Rbb6
- 2.Sf3#
- 2.Sgf7#
- 1...Rba7
- 2.Sf3#
- 2.Sgf7#
- 1...Rc7
- 2.Sf3#
- 2.Sgf7#
- 1...Rb8
- 2.Sf3#
- 2.Sgf7#
- 1...Be7
- 2.Rxe6#
- 1...Bg7
- 2.Rxe6#
- 1...Bh8
- 2.Rxe6#
- 1...Sc5
- 2.Qxc5#
- 1...Sb6
- 2.Sc6#
- 1...Sb8
- 2.Qc5#
- 1...Sf8
- 2.Qc5#
- 1...Ra2+!
- 1...Rxa8
- 1.Sgxe6+?
- 1...Bg5
- 2.Qd4#
- 1...Sf5
- 2.Qd4#
- 1...Kxe4!
- 1...Bg5
- 1.Sdxe6?
- threat
- 2.Bxf4#
- 2.Qd4#
- 1...Bxg5
- 2.Qd4#
- 1...Sb5
- 2.Bxf4#
- 1...Sf5
- 2.Bxf4#
- 1...Ra1
- 2.Bxf4#
- 2.Qxa1#
- 1...Sxe4!
- threat
- 1.Bg3?
- 1...Rxa8
- 2.Sc6#
- 1...Bxg5
- 2.Rxe6#
- 1...Bxd8
- 2.Rxe6#
- 1...Sxe4
- 2.Sgf7#
- 1...Sc4
- 2.Sdf7#
- 1...Sb5
- 2.Sdf7#
- 1...Sf5
- 2.Sdf7#
- 1...Sf7
- 2.Sdxf7#
- 1...Se8
- 2.Sdf7#
- 1...Ra1
- 2.Sc6#
- 2.Qxa1#
- 1...Ra2
- 2.Sc6#
- 1...Ra3
- 2.Sc6#
- 1...Ra4
- 2.Sc6#
- 1...Ra5
- 2.Sc6#
- 1...Rab6
- 2.Qa1#
- 1...Rc6
- 2.Sxc6#
- 1...Raa7
- 2.Sc6#
- 1...Rb5
- 2.Sf3#
- 2.Sgf7#
- 1...Rbb6
- 2.Sf3#
- 2.Sgf7#
- 1...Rba7
- 2.Sf3#
- 2.Sgf7#
- 1...Rc7
- 2.Sf3#
- 2.Sgf7#
- 1...Rb8
- 2.Sf3#
- 2.Sgf7#
- 1...Be7
- 2.Rxe6#
- 1...Bg7
- 2.Rxe6#
- 1...Bh8
- 2.Rxe6#
- 1...Sc5
- 2.Qxc5#
- 1...Sb6
- 2.Sc6#
- 1...Sb8
- 2.Qc5#
- 1...Sf8
- 2.Qc5#
- 1...fxg3!
- 1...Rxa8
- 1.Bxb7?
- threat
- 2.Sf3#
- 2.Sgf7#
- 1...Bxg5
- 2.Rxe6#
- 1...Sxe4
- 2.Sgf7#
- 1...Sxb7
- 2.Sdf7#
- 1...Sc4
- 2.Sgf7#
- 2.Sdf7#
- 1...Sb5
- 2.Sgf7#
- 2.Sdf7#
- 1...Sf5
- 2.Sgf7#
- 2.Sdf7#
- 1...Sf7
- 2.Sgxf7#
- 2.Sdxf7#
- 1...Se8
- 2.Sgf7#
- 2.Sdf7#
- 1...Rc6
- 2.Sxc6#
- 1...Bxb7!
- threat
- 1.Rh3?
- 1...Rxa8
- 2.Sc6#
- 1...Bxg5
- 2.Rxe6#
- 1...Bxd8
- 2.Rxe6#
- 1...Sc4
- 2.Sdf7#
- 1...Sb5
- 2.Sdf7#
- 1...Sf5
- 2.Sdf7#
- 1...Sf7
- 2.Sdxf7#
- 1...Se8
- 2.Sdf7#
- 1...Ra1
- 2.Sc6#
- 2.Qxa1#
- 1...Ra2
- 2.Sc6#
- 1...Ra3
- 2.Sc6#
- 1...Ra4
- 2.Sc6#
- 1...Ra5
- 2.Sc6#
- 1...Rab6
- 2.Qa1#
- 1...Rc6
- 2.Sxc6#
- 1...Raa7
- 2.Sc6#
- 1...Rb5
- 2.Sf3#
- 1...Rbb6
- 2.Sf3#
- 1...Rba7
- 2.Sf3#
- 1...Rc7
- 2.Sf3#
- 1...Rb8
- 2.Sf3#
- 1...Be7
- 2.Rxe6#
- 1...Bg7
- 2.Rxe6#
- 1...Bh8
- 2.Rxe6#
- 1...Sc5
- 2.Qxc5#
- 1...Sb6
- 2.Sc6#
- 1...Sb8
- 2.Qc5#
- 1...Sf8
- 2.Qc5#
- 1...Sxe4!
- 1...Rxa8
- 1.Rh4?
- threat
- 2.Bxf4#
- 1...Bxg5
- 2.Rxe6#
- 1...Sxe4!
- threat
- 1.Qf2?
- threat
- 2.Bxf4#
- 2.Qb2#
- 1...Bxg5
- 2.Rxe6#
- 1...Sxe4
- 2.Sgf7#
- 1...Sc4
- 2.Sdf7#
- 2.Bxf4#
- 1...Sb5
- 2.Sdf7#
- 2.Bxf4#
- 1...Sf5
- 2.Sdf7#
- 2.Bxf4#
- 1...Sf7
- 2.Sdxf7#
- 2.Bxf4#
- 1...Se8
- 2.Sdf7#
- 2.Bxf4#
- 1...Ra2
- 2.Sc6#
- 2.Bxf4#
- 1...Rc6
- 2.Sxc6#
- 2.Bxf4#
- 1...Rc7
- 2.Sf3#
- 2.Sgf7#
- 2.Bxf4#
- 1...Ra1+!
- threat
- 1.Qe3?
- threat
- 2.Sf3#
- 2.Sgf7#
- 2.Bxf4#
- 1...Bxg5
- 2.Bxf4#
- 2.Rxe6#
- 1...Sxe4
- 2.Sgf7#
- 1...Sc4
- 2.Sgf7#
- 2.Sdf7#
- 2.Bxf4#
- 1...Sb5
- 2.Sgf7#
- 2.Sdf7#
- 2.Bxf4#
- 1...Sf5
- 2.Sgf7#
- 2.Sdf7#
- 2.Bxf4#
- 1...Sf7
- 2.Sgxf7#
- 2.Sdxf7#
- 2.Bxf4#
- 1...Se8
- 2.Sgf7#
- 2.Sdf7#
- 2.Bxf4#
- 1...Ra1+!
- threat
- 1.Kg2?
- Keys
- 1.Qa7!
- 1...Ra1+
- 2.Qxa1#
- 1...Raxa7
- 2.Sc6#
- 1...Rbxa7
- 2.Sf3#
- 1...Bxg5
- 2.Rxe6#
- 1...Bxd8
- 2.Rxe6#
- 1...Sxe4
- 2.Sgf7#
- 1...Rab6
- 2.Qa1#
- 1...Rbb6
- 2.Sf3#
- 1...Sc4
- 2.Sdf7#
- 1...Sb5
- 2.Sdf7#
- 1...Sf5
- 2.Sdf7#
- 1...Sf7
- 2.Sdxf7#
- 1...Se8
- 2.Sdf7#
- 1...Sc5
- 2.Qxc5#
- 1...Sb6
- 2.Sc6#
- 1...Ra2
- 2.Sc6#
- 1...Ra3
- 2.Sc6#
- 1...Ra4
- 2.Sc6#
- 1...Ra5
- 2.Sc6#
- 1...Rc6
- 2.Sxc6#
- 1...Rb5
- 2.Sf3#
- 2.Sgf7#
- 1...Rc7
- 2.Sf3#
- 2.Sgf7#
- 1...Rb8
- 2.Sf3#
- 2.Sgf7#
- 1...Be7
- 2.Rxe6#
- 1...Bg7
- 2.Rxe6#
- 1...Bh8
- 2.Rxe6#
- 1...Sb8
- 2.Qc5#
- 1...Sf8
- 2.Qc5#
- 1...Ra1+
- 1.Qa7!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- R(d);N_GUARD::S(J)
- R(d);N_GUARD::QAB(A)
- R(d);N_GUARD::S(J),XR(d)
- R(d);N_GUARD,XB(I)::S(J)
- B(g);OGATE,P_SPINB(g),XS(F)::R1(H),XP(f)
- B(g);OGATE::R1(H),XP(f)
- B(g);OGATE,XS(J)::R1(H),XP(f)
- S(e);N_GUARD::S(J)
- S(e);SBLOCK,XP(E)::R(G)+S(F),DCHECK
- S(e);N_GUARD::S(J),XS(e)
- S(i);N_GUARD::QAR2(A),XS(i)
- S(i);S_CUTR(d)::S(J)
- S(i);N_GUARD::QAR2(A)
- Tries
- Try
- K(B);S_FLIGHT
- Vars
- R(d);N_GUARD,XB(I)::S(J)
- B(g);OGATE,P_SPINB(g),XS(F)::R1(H),XP(f)
- B(g);OGATE,XS(J)::R1(H),XP(f)
- S(e);SBLOCK,XP(E)::R(G)+S(F),DCHECK
- S(e);N_GUARD::S(J)
- S(e);N_GUARD::S(J),XS(e)
- R(d);N_GUARD::S(J)
- R(d);N_GUARD::QAB(A)
- R(d);N_GUARD::S(J),XR(d)
- B(g);OGATE::R1(H),XP(f)
- S(i);N_GUARD::QAR2(A),XS(i)
- S(i);S_CUTR(d)::S(J)
- S(i);N_GUARD::QAR2(A)
- Refutation
- R(d);CHECK
- Try
- S(F);CHECK,XP(f)
- Vars
- B(g);P_SPINB(g)::QAB1(A)
- S(e);P_SPINS(e)::QAB1(A)
- Refutation
- K(c);N_SPINP(b),P-FLIGHT,P_SPINR(h),XP(E)
- Try
- S(J);XP(f)
- Threat
- DUALS(2)
- Vars
- B(g);P_SPINB(g),XS(F)::QAB1(A)
- S(e);::B(C),XP(b)
- Refutation
- S(e);XP(E)
- Try
- B(C);
- Vars
- R(d);N_GUARD,XB(I)::S(J)
- B(g);OGATE,P_SPINB(g),XS(F)::R1(H),XP(f)
- B(g);OGATE,XS(J)::R1(H),XP(f)
- S(e);SBLOCK,XP(E)::R(G)+S(F),DCHECK
- S(e);N_GUARD::S(J)
- S(e);N_GUARD::S(J),XS(e)
- R(d);N_GUARD::S(J)
- R(d);N_GUARD::QAB(A)
- R(d);N_GUARD::S(J),XR(d)
- B(g);OGATE::R1(H),XP(f)
- S(i);N_GUARD::QAR2(A),XS(i)
- S(i);S_CUTR(d)::S(J)
- S(i);N_GUARD::QAR2(A)
- Refutation
- P(b);N_SPINP(b),XB(C)
- Try
- B(I);XR(h)
- Threat
- DUALS(2)
- Vars
- B(g);OGATE,P_SPINB(g),XS(F)::R1(H),XP(f)
- S(e);XP(E)::R(G)+S(F),DCHECK
- S(e);N_GUARD,XB(I)::S(J)
- R(d);N_GUARD::S(J),XR(d)
- Refutation
- B(k);P_PINP(E),XB(I)
- Try
- R(G);
- Vars
- R(d);N_GUARD,XB(I)::S(J)
- B(g);OGATE,XS(F)::R1(H),XP(f)
- B(g);OGATE,XS(J)::R1(H),XP(f)
- S(e);N_GUARD::S(J)
- S(e);N_GUARD::S(J),XS(e)
- R(d);N_GUARD::S(J)
- R(d);N_GUARD::QAB(A)
- R(d);N_GUARD::S(J),XR(d)
- R(h);::S(F)
- B(g);OGATE::R1(H),XP(f)
- S(i);N_GUARD::QAR2(A),XS(i)
- S(i);S_CUTR(d)::S(J)
- S(i);N_GUARD::QAR2(A)
- Refutation
- S(e);XP(E)
- Try
- R(G);
- Threat
- B(C),XP(b)
- Vars
- B(g);OGATE,XS(F)::R1(H),XP(f)
- Refutation
- S(e);XP(E)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- B(g);OGATE,P_SPINB(g),XS(F)::R1(H),XP(f)
- S(e);SBLOCK,XP(E)::R(G)+S(F),DCHECK
- Refutation
- R(d);CHECK
- Try
- Q(A);
- Threat
- DUALS(3)
- Vars
- S(e);P_SPINS(e),XP(E)::R(G)+S(F),DCHECK
- Refutation
- R(d);CHECK
- Try
- Actual
- Q(A);
- Vars
- R(d);CHECK,OGATE::QAB(A),XR(d)
- R(d);N_GUARD,XQ(A)::S(J)
- R(h);XQ(A)::R(G)+S(F),DCHECK
- B(g);OGATE,P_SPINB(g),XS(F)::R1(H),XP(f)
- B(g);OGATE,XS(J)::R1(H),XP(f)
- S(e);SBLOCK,XP(E)::R(G)+S(F),DCHECK
- R(d);OGATE::QAB(A)
- R(h);::R(G)+S(F),DCHECK
- S(e);N_GUARD::S(J)
- S(e);N_GUARD::S(J),XS(e)
- S(i);N_GUARD::QAR2(A),XS(i)
- S(i);S_CUTR(d)::S(J)
- R(d);N_GUARD::S(J)
- R(d);N_GUARD::S(J),XR(d)
- B(g);OGATE::R1(H),XP(f)
- S(i);N_GUARD::QAR2(A)
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).