MESON Chess Problem Database
Problem Display
PID: 177420 (R5K1/8/2B3N1/1Pp3n1/3kpRP1/1rp5/Q3P1N1/B7 w - - 0 1)
Warton, Joseph John
Busmen's Chess Review, 1963
#2
11 + 6
SOLUTION
- SOUND
- Sets
- 1...Kc4
- 2.Ra4#
- 1...Rb1
- 2.Rd8#
- 2.Qd5#
- 1...Rb2
- 2.Rd8#
- 2.Qd5#
- 1...Ra3
- 2.Rd8#
- 2.Qd5#
- 1...Rb4
- 2.Rd8#
- 2.Qd5#
- 1...Rxb5
- 2.Rd8#
- 2.Qd5#
- 1...Sf3
- 2.Rxe4#
- 1...Sh3
- 2.Rxe4#
- 1...Se6
- 2.Rxe4#
- 1...Sf7
- 2.Rxe4#
- 1...Sh7
- 2.Rxe4#
- 1...c4
- 2.Qa7#
- 1...Kc4
- Tries
- 1.Kg7?
- 1...Kc4
- 2.Ra4#
- 1...Rxb5
- 2.Rd8#
- 2.Qd5#
- 1...Rb1
- 2.Rd8#
- 2.Qd5#
- 1...Rb2
- 2.Rd8#
- 2.Qd5#
- 1...Ra3
- 2.Rd8#
- 2.Qd5#
- 1...Rb4
- 2.Rd8#
- 2.Qd5#
- 1...Sf3
- 2.Rxe4#
- 1...Sh3
- 2.Rxe4#
- 1...Sf7
- 2.Rxe4#
- 1...Sh7
- 2.Rxe4#
- 1...c4
- 2.Qa7#
- 1...Se6+!
- 1...Kc4
- 1.Kh8?
- 1...Kc4
- 2.Ra4#
- 1...Rxb5
- 2.Rd8#
- 2.Qd5#
- 1...Rb1
- 2.Rd8#
- 2.Qd5#
- 1...Rb2
- 2.Rd8#
- 2.Qd5#
- 1...Ra3
- 2.Rd8#
- 2.Qd5#
- 1...Rb4
- 2.Rd8#
- 2.Qd5#
- 1...Sf3
- 2.Rxe4#
- 1...Sh3
- 2.Rxe4#
- 1...Se6
- 2.Rxe4#
- 1...Sh7
- 2.Rxe4#
- 1...c4
- 2.Qa7#
- 1...Sf7+!
- 1...Kc4
- 1.Se3?
- threat
- 2.Qd2#
- 1...c4
- 2.Qa7#
- 1...Rb2
- 2.Sf5#
- 1...Sf3
- 2.Rxe4#
- 1...Kxe3!
- threat
- 1.Bb2?
- 1...Kc4
- 2.Ra4#
- 1...Rxb2
- 2.Rd8#
- 2.Qd5#
- 1...Rxb5
- 2.Rd8#
- 2.Qd5#
- 1...c4
- 2.Qa7#
- 1...Ra3
- 2.Rd8#
- 2.Qd5#
- 1...Rb4
- 2.Rd8#
- 2.Qd5#
- 1...Sf3
- 2.Rxe4#
- 1...Sh3
- 2.Rxe4#
- 1...Se6
- 2.Rxe4#
- 1...Sf7
- 2.Rxe4#
- 1...Sh7
- 2.Rxe4#
- 1...cxb2!
- 1...Kc4
- 1.Bb7?
- 1...Rxb5
- 2.Rd8#
- 2.Qd5#
- 1...c4
- 2.Qa7#
- 1...Rb1
- 2.Rd8#
- 2.Qd5#
- 1...Rb2
- 2.Rd8#
- 2.Qd5#
- 1...Ra3
- 2.Rd8#
- 2.Qd5#
- 1...Rb4
- 2.Rd8#
- 2.Qd5#
- 1...Sf3
- 2.Rxe4#
- 1...Sh3
- 2.Rxe4#
- 1...Se6
- 2.Rxe4#
- 1...Sf7
- 2.Rxe4#
- 1...Sh7
- 2.Rxe4#
- 1...Kc4!
- 1...Rxb5
- 1.Ra3?
- 1...Kc4
- 2.Ra4#
- 1...Rxa3
- 2.Qd5#
- 1...Rxb5
- 2.Bxc3#
- 2.Qd5#
- 1...Sf3
- 2.Rxe4#
- 1...Rb1
- 2.Bxc3#
- 2.Qd5#
- 1...Rb2
- 2.Qd5#
- 1...Rb4
- 2.Bxc3#
- 2.Qd5#
- 1...Sh3
- 2.Rxe4#
- 1...Se6
- 2.Rxe4#
- 1...Sf7
- 2.Rxe4#
- 1...Sh7
- 2.Rxe4#
- 1...c4!
- 1...Kc4
- 1.Ra4+?
- 1...Rb4
- 2.Qd5#
- 1...c4!
- 1...Rb4
- 1.Ra5?
- 1...Kc4
- 2.Ra4#
- 1...Rxb5
- 2.Qd5#
- 1...Rb1
- 2.Qd5#
- 1...Rb2
- 2.Qd5#
- 1...Ra3
- 2.Qd5#
- 1...Rb4
- 2.Qd5#
- 1...Sf3
- 2.Rxe4#
- 1...Sh3
- 2.Rxe4#
- 1...Se6
- 2.Rxe4#
- 1...Sf7
- 2.Rxe4#
- 1...Sh7
- 2.Rxe4#
- 1...c4!
- 1...Kc4
- 1.Ra6?
- 1...Kc4
- 2.Ra4#
- 1...Rxb5
- 2.Qd5#
- 1...Rb1
- 2.Qd5#
- 1...Rb2
- 2.Qd5#
- 1...Ra3
- 2.Qd5#
- 1...Rb4
- 2.Qd5#
- 1...Sf3
- 2.Rxe4#
- 1...Sh3
- 2.Rxe4#
- 1...Se6
- 2.Rxe4#
- 1...Sf7
- 2.Rxe4#
- 1...Sh7
- 2.Rxe4#
- 1...c4!
- 1...Kc4
- 1.Ra7?
- 1...Kc4
- 2.Ra4#
- 1...Rxb5
- 2.Rd7#
- 2.Qd5#
- 1...Rb1
- 2.Rd7#
- 2.Qd5#
- 1...Rb2
- 2.Rd7#
- 2.Qd5#
- 1...Ra3
- 2.Rd7#
- 2.Qd5#
- 1...Rb4
- 2.Rd7#
- 2.Qd5#
- 1...Sf3
- 2.Rxe4#
- 1...Sh3
- 2.Rxe4#
- 1...Se6
- 2.Rxe4#
- 1...Sf7
- 2.Rxe4#
- 1...Sh7
- 2.Rxe4#
- 1...c4!
- 1...Kc4
- 1.Rb8?
- 1...Rxb5
- 2.Rd8#
- 2.Qd5#
- 1...c4
- 2.Qa7#
- 1...Rb1
- 2.Rd8#
- 2.Qd5#
- 1...Rb2
- 2.Rd8#
- 2.Qd5#
- 1...Ra3
- 2.Rd8#
- 2.Qd5#
- 1...Rb4
- 2.Rd8#
- 2.Qd5#
- 1...Sf3
- 2.Rxe4#
- 1...Sh3
- 2.Rxe4#
- 1...Se6
- 2.Rxe4#
- 1...Sf7
- 2.Rxe4#
- 1...Sh7
- 2.Rxe4#
- 1...Kc4!
- 1...Rxb5
- 1.Rc8?
- 1...Rxb5
- 2.Rd8#
- 2.Qd5#
- 1...c4
- 2.Qa7#
- 1...Rb1
- 2.Rd8#
- 2.Qd5#
- 1...Rb2
- 2.Rd8#
- 2.Qd5#
- 1...Ra3
- 2.Rd8#
- 2.Qd5#
- 1...Rb4
- 2.Rd8#
- 2.Qd5#
- 1...Sf3
- 2.Rxe4#
- 1...Sh3
- 2.Rxe4#
- 1...Se6
- 2.Rxe4#
- 1...Sf7
- 2.Rxe4#
- 1...Sh7
- 2.Rxe4#
- 1...Kc4!
- 1...Rxb5
- 1.Re8?
- 1...Rxb5
- 2.Rd8#
- 2.Qd5#
- 1...c4
- 2.Qa7#
- 1...Rb1
- 2.Rd8#
- 2.Qd5#
- 1...Rb2
- 2.Rd8#
- 2.Qd5#
- 1...Ra3
- 2.Rd8#
- 2.Qd5#
- 1...Rb4
- 2.Rd8#
- 2.Qd5#
- 1...Sf3
- 2.Rfxe4#
- 2.Rexe4#
- 1...Sh3
- 2.Rfxe4#
- 2.Rexe4#
- 1...Se6
- 2.Rxe4#
- 1...Sf7
- 2.Rfxe4#
- 2.Rexe4#
- 1...Sh7
- 2.Rfxe4#
- 2.Rexe4#
- 1...Kc4!
- 1...Rxb5
- 1.Raf8?
- 1...Rxb5
- 2.Rd8#
- 2.Qd5#
- 1...c4
- 2.Qa7#
- 1...Rb1
- 2.Rd8#
- 2.Qd5#
- 1...Rb2
- 2.Rd8#
- 2.Qd5#
- 1...Ra3
- 2.Rd8#
- 2.Qd5#
- 1...Rb4
- 2.Rd8#
- 2.Qd5#
- 1...Sf3
- 2.Rxe4#
- 1...Sh3
- 2.Rxe4#
- 1...Se6
- 2.Rxe4#
- 1...Sf7
- 2.Rxe4#
- 1...Sh7
- 2.Rxe4#
- 1...Kc4!
- 1...Rxb5
- 1.Qxb3?
- threat
- 2.Bxc3#
- 2.Rd8#
- 2.Qd5#
- 2.Qxc3#
- 1...Se6
- 2.Bxc3#
- 2.Rxe4#
- 2.Qd5#
- 2.Qxc3#
- 1...Sf7
- 2.Bxc3#
- 2.Rxe4#
- 2.Qd5#
- 2.Qxc3#
- 1...c4!
- threat
- 1.Qa4+?
- 1...c4
- 2.Qa7#
- 1...Rb4!
- 1...c4
- 1.e3+?
- 1...Kd3
- 2.Se5#
- 1...Kc4!
- 1...Kd3
- 1.b6?
- 1...Kc4
- 2.Ra4#
- 1...Rxb6
- 2.Rd8#
- 2.Qd5#
- 1...Rb1
- 2.Rd8#
- 2.Qd5#
- 1...Rb2
- 2.Rd8#
- 2.Qd5#
- 1...Ra3
- 2.Rd8#
- 2.Qd5#
- 1...Rb4
- 2.Rd8#
- 2.Qd5#
- 1...Rb5
- 2.Rd8#
- 2.Qd5#
- 1...Sf3
- 2.Rxe4#
- 1...Sh3
- 2.Rxe4#
- 1...Se6
- 2.Rxe4#
- 1...Sf7
- 2.Rxe4#
- 1...Sh7
- 2.Rxe4#
- 1...c4!
- 1...Kc4
- 1.Kg7?
- Keys
- 1.S2h4!
- 1...Ke3
- 2.Sf5#
- 1...Kc4
- 2.Ra4#
- 1...Rxb5
- 2.Sf5#
- 1...Rb1
- 2.Sf5#
- 1...Rb2
- 2.Sf5#
- 1...Ra3
- 2.Sf5#
- 1...Rb4
- 2.Sf5#
- 1...Sf3
- 2.Rxe4#
- 1...Sh3
- 2.Rxe4#
- 1...Se6
- 2.Rxe4#
- 1...Sf7
- 2.Rxe4#
- 1...Sh7
- 2.Rxe4#
- 1...c4
- 2.Qa7#
- 1...Ke3
- 1.S2h4!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 0
- Sets
- K(c);N_SPINP(b),P-FLIGHT,P_SPINP(d),P_SPINR(a)::R(J)
- S(f);N_GUARD::R1(E),XP(d)
- P(e);OGATEB,SBLOCK::QAB(B)
- Tries
- Try
- K(K);P-FLIGHT
- Vars
- K(c);N_SPINP(b),P-FLIGHT,P_SPINP(d),P_SPINR(a)::R(J)
- S(f);N_GUARD::R1(E),XP(d)
- P(e);OGATEB,SBLOCK::QAB(B)
- Refutation
- S(f);CHECK
- Try
- K(K);P-FLIGHT
- Vars
- K(c);N_SPINP(b),P-FLIGHT,P_SPINP(d),P_SPINR(a)::R(J)
- S(f);N_GUARD::R1(E),XP(d)
- P(e);OGATEB,SBLOCK::QAB(B)
- Refutation
- S(f);CHECK
- Try
- S(D);
- Threat
- QAR2(B)
- Vars
- P(e);OGATEB::QAB(B)
- R(a);N_SPINP(b),P_SPINP(d)::S(D)
- S(f);N_GUARD::R1(E),XP(d)
- Refutation
- K(c);N_SPINP(b),S_FLIGHT,XS(D)
- Try
- B(A);
- Vars
- K(c);N_SPINP(b),P-FLIGHT,P_SPINP(d),P_SPINR(a)::R(J)
- P(e);OGATEB,SBLOCK::QAB(B)
- S(f);N_GUARD::R1(E),XP(d)
- Refutation
- P(b);N_SPINP(b),P_SPINP(d),XB(A)
- Try
- B(H);
- Vars
- P(e);OGATEB,SBLOCK::QAB(B)
- S(f);N_GUARD::R1(E),XP(d)
- Refutation
- K(c);N_SPINP(b),P-FLIGHT,P_SPINP(d),P_SPINR(a)
- Try
- R(J);
- Vars
- K(c);N_SPINP(b),P-FLIGHT,P_SPINP(d),P_SPINR(a)::R(J)
- R(a);OGATE,XR(J)::QAR1(B)
- S(f);N_GUARD::R1(E),XP(d)
- R(a);N_SPINP(b),OGATE,P_SPINP(d)::QAR1(B)
- Refutation
- P(e);
- Try
- R(J);CHECK
- Vars
- R(a);OGATE,P_SPINR(a)::QAR1(B)
- Refutation
- P(e);
- Try
- R(J);
- Vars
- K(c);N_SPINP(b),P-FLIGHT,P_SPINP(d),P_SPINR(a)::R(J)
- R(a);OGATE,XP(G)::QAR1(B)
- R(a);OGATE::QAR1(B)
- R(a);N_SPINP(b),OGATE,P_SPINP(d)::QAR1(B)
- S(f);N_GUARD::R1(E),XP(d)
- Refutation
- P(e);
- Try
- R(J);
- Vars
- K(c);N_SPINP(b),P-FLIGHT,P_SPINP(d),P_SPINR(a)::R(J)
- R(a);OGATE,XP(G)::QAR1(B)
- R(a);OGATE::QAR1(B)
- R(a);N_SPINP(b),OGATE,P_SPINP(d)::QAR1(B)
- S(f);N_GUARD::R1(E),XP(d)
- Refutation
- P(e);
- Try
- R(J);
- Vars
- K(c);N_SPINP(b),P-FLIGHT,P_SPINP(d),P_SPINR(a)::R(J)
- S(f);N_GUARD::R1(E),XP(d)
- Refutation
- P(e);
- Try
- R(J);
- Vars
- P(e);OGATEB,SBLOCK::QAB(B)
- S(f);N_GUARD::R1(E),XP(d)
- Refutation
- K(c);N_SPINP(b),P-FLIGHT,P_SPINP(d),P_SPINR(a)
- Try
- R(J);
- Vars
- P(e);OGATEB,SBLOCK::QAB(B)
- S(f);N_GUARD::R1(E),XP(d)
- Refutation
- K(c);N_SPINP(b),P-FLIGHT,P_SPINP(d),P_SPINR(a)
- Try
- R(J);
- Vars
- P(e);OGATEB,SBLOCK::QAB(B)
- S(f);N_GUARD::R1(E),XP(d)
- Refutation
- K(c);N_SPINP(b),P-FLIGHT,P_SPINP(d),P_SPINR(a)
- Try
- R(J);
- Vars
- P(e);OGATEB,SBLOCK::QAB(B)
- S(f);N_GUARD::R1(E),XP(d)
- Refutation
- K(c);N_SPINP(b),P-FLIGHT,P_SPINP(d),P_SPINR(a)
- Try
- Q(B);XR(a)
- Threat
- DUALS(4)
- Refutation
- P(e);
- Try
- Q(B);CHECK
- Vars
- P(e);OGATEB,SBLOCK::QAB(B)
- Refutation
- R(a);P_SPINR(a)
- Try
- P(C);CHECK
- Vars
- K(c);N_SPINP(b),P-FLIGHT::S(I)
- Refutation
- K(c);N_SPINP(b),P-FLIGHT,P_SPINP(d),P_SPINR(a)
- Try
- P(G);
- Vars
- K(c);N_SPINP(b),P-FLIGHT,P_SPINP(d),P_SPINR(a)::R(J)
- S(f);N_GUARD::R1(E),XP(d)
- Refutation
- P(e);
- Try
- Actual
- S(D);
- Vars
- K(c);N_SPINP(b),S_FLIGHT::S(D)
- K(c);N_SPINP(b),P-FLIGHT,P_SPINP(d),P_SPINR(a)::R(J)
- R(a);XP(G)::S(D)
- R(a);::S(D)
- R(a);N_SPINP(b),P_SPINP(d)::S(D)
- S(f);N_GUARD::R1(E),XP(d)
- P(e);OGATEB,SBLOCK::QAB(B)
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).