MESON Chess Problem Database
Problem Display
PID: 228162 (KQ6/8/8/2np4/1Rpkb1R1/3B3r/3NPP2/4B3 w - - 0 1)
Ouellet, Charles
The Problemist Supplement, 2020
#2
9 + 6
SOLUTION
- SOUND
- Sets
- 1...Kc3
- 2.Sf3#
- 1...Rh1
- 2.Sf3#
- 1...Rh2
- 2.Sf3#
- 1...Rxd3
- 2.Qh8#
- 1...Re3
- 2.Qh8#
- 1...Rf3
- 2.Sxf3#
- 1...Rg3
- 2.Qh8#
- 1...Rh4
- 2.Sf3#
- 1...Rh5
- 2.Sf3#
- 1...Rh6
- 2.Sf3#
- 1...Rh7
- 2.Sf3#
- 1...Rh8
- 2.Sf3#
- 2.Qxh8#
- 1...Sb3
- 2.Sxb3#
- 1...Sxd3
- 2.Sb3#
- 1...Sa4
- 2.Sb3#
- 1...Sa6
- 2.Sb3#
- 1...Se6
- 2.Sb3#
- 1...Sb7
- 2.Sb3#
- 1...Sd7
- 2.Sb3#
- 1...Kc3
- Tries
- 1.Ka7?
- 1...Kc3
- 2.Sf3#
- 1...Rxd3
- 2.Qh8#
- 1...Sxd3
- 2.Sb3#
- 1...Sb3
- 2.Sxb3#
- 1...Sa4
- 2.Sb3#
- 1...Sa6
- 2.Sb3#
- 1...Se6
- 2.Sb3#
- 1...Sb7
- 2.Sb3#
- 1...Sd7
- 2.Sb3#
- 1...Rh1
- 2.Sf3#
- 1...Rh2
- 2.Sf3#
- 1...Re3
- 2.Qh8#
- 1...Rf3
- 2.Sxf3#
- 1...Rg3
- 2.Qh8#
- 1...Rh4
- 2.Sf3#
- 1...Rh5
- 2.Sf3#
- 1...Rh6
- 2.Sf3#
- 1...Rh8
- 2.Sf3#
- 2.Qxh8#
- 1...Rh7+!
- 1...Kc3
- 1.Ra4?
- threat
- 2.Qb2#
- 1...Kc3
- 2.Sf3#
- 1...Rxd3
- 2.Qh8#
- 1...Sxd3
- 2.Sb3#
- 1...Sb3
- 2.Sxb3#
- 1...Sa6
- 2.Sb3#
- 1...Se6
- 2.Sb3#
- 1...Sb7
- 2.Sb3#
- 1...Sd7
- 2.Sb3#
- 1...Rh8
- 2.Sf3#
- 2.Qxh8#
- 1...Sxa4!
- threat
- 1.Rxe4+?
- 1...Kc3
- 2.Sb1#
- 2.Sf1#
- 2.Sf3#
- 2.Sxc4#
- 1...Sxe4
- 2.Sb3#
- 1...dxe4!
- 1...Kc3
- 1.Rf4?
- 1...Kc3
- 2.Sf3#
- 1...Rxd3
- 2.Qh8#
- 1...Sxd3
- 2.Sb3#
- 1...Sb3
- 2.Sxb3#
- 1...Sa4
- 2.Sb3#
- 1...Sa6
- 2.Sb3#
- 1...Se6
- 2.Sb3#
- 1...Sb7
- 2.Sb3#
- 1...Sd7
- 2.Sb3#
- 1...Rh1
- 2.Sf3#
- 1...Rh2
- 2.Sf3#
- 1...Re3
- 2.Qh8#
- 1...Rf3
- 2.Sxf3#
- 2.Qh8#
- 1...Rh4
- 2.Sf3#
- 1...Rh5
- 2.Sf3#
- 1...Rh6
- 2.Sf3#
- 1...Rh7
- 2.Sf3#
- 1...Rh8
- 2.Sf3#
- 2.Qxh8#
- 1...Rg3!
- 1...Kc3
- 1.Rg5?
- threat
- 2.Qe5#
- 1...Kc3
- 2.Sf3#
- 1...Sxd3
- 2.Sb3#
- 1...Sb3
- 2.Sxb3#
- 1...Sa4
- 2.Sb3#
- 1...Sa6
- 2.Sb3#
- 1...Se6
- 2.Sb3#
- 1...Sb7
- 2.Sb3#
- 1...Sd7
- 2.Sb3#
- 1...Rh8
- 2.Qxh8#
- 1...Bf5!
- threat
- 1.Qf4?
- threat
- 2.Qf6#
- 1...Kc3
- 2.Sf3#
- 1...Sxd3
- 2.Sb3#
- 1...Sb3
- 2.Sxb3#
- 1...Sa4
- 2.Sb3#
- 1...Sa6
- 2.Sb3#
- 1...Se6
- 2.Sb3#
- 1...Sb7
- 2.Sb3#
- 1...Sd7
- 2.Sb3#
- 1...Rf3
- 2.Sxf3#
- 1...Rh5
- 2.Sf3#
- 1...Rh6
- 2.Sf3#
- 1...Rh8+!
- threat
- 1.Qd6?
- threat
- 2.Rxc4#
- 2.Qf6#
- 1...Kc3
- 2.Sf3#
- 1...Sxd3
- 2.Sb3#
- 2.Rxc4#
- 1...Rf3
- 2.Sxf3#
- 2.Rxc4#
- 1...Rh5
- 2.Sf3#
- 2.Rxc4#
- 1...Rh6
- 2.Sf3#
- 2.Rxc4#
- 1...Sb3
- 2.Sxb3#
- 2.Rxc4#
- 1...Sa4
- 2.Sb3#
- 2.Rxc4#
- 1...Sa6
- 2.Sb3#
- 2.Rxc4#
- 1...Se6
- 2.Sb3#
- 2.Rxc4#
- 1...Sb7
- 2.Sb3#
- 2.Rxc4#
- 1...Sd7
- 2.Sb3#
- 2.Rxc4#
- 1...Rh8+!
- threat
- 1.Qc7?
- threat
- 2.Qg7#
- 1...Kc3
- 2.Sf3#
- 1...Sxd3
- 2.Sb3#
- 1...Rf3
- 2.Sxf3#
- 1...Rh5
- 2.Sf3#
- 1...Rh6
- 2.Sf3#
- 1...Rh7
- 2.Sf3#
- 1...Sb3
- 2.Sxb3#
- 1...Sa4
- 2.Sb3#
- 1...Sa6
- 2.Sb3#
- 1...Se6
- 2.Sb3#
- 1...Sb7
- 2.Sb3#
- 1...Sd7
- 2.Sb3#
- 1...Rh8+!
- threat
- 1.Qe8?
- 1...Kc3
- 2.Sf3#
- 1...Rxd3
- 2.Qh8#
- 1...Sxd3
- 2.Sb3#
- 1...Sb3
- 2.Sxb3#
- 1...Sa4
- 2.Sb3#
- 1...Sa6
- 2.Sb3#
- 1...Sb7
- 2.Sb3#
- 1...Sd7
- 2.Sb3#
- 1...Rg3
- 2.Qh8#
- 1...Rh1
- 2.Sf3#
- 1...Rh2
- 2.Sf3#
- 1...Re3
- 2.Qh8#
- 1...Rf3
- 2.Sxf3#
- 1...Rh4
- 2.Sf3#
- 1...Rh5
- 2.Sf3#
- 1...Rh6
- 2.Sf3#
- 1...Rh7
- 2.Sf3#
- 1...Rh8
- 2.Sf3#
- 2.Qxh8#
- 1...Se6!
- 1...Kc3
- 1.Ka7?
- Keys
- 1.Qh2!
- 1...Rh8+
- 2.Qxh8#
- 1...Kc3
- 2.Sf3#
- 1...Rxh2
- 2.Sf3#
- 1...Rxd3
- 2.Qh8#
- 1...Sxd3
- 2.Sb3#
- 1...Rg3
- 2.Qh8#
- 1...Sb3
- 2.Sxb3#
- 1...Sa4
- 2.Sb3#
- 1...Sa6
- 2.Sb3#
- 1...Se6
- 2.Sb3#
- 1...Sb7
- 2.Sb3#
- 1...Sd7
- 2.Sb3#
- 1...Re3
- 2.Qh8#
- 1...Rf3
- 2.Sxf3#
- 1...Rh4
- 2.Sf3#
- 1...Rh5
- 2.Sf3#
- 1...Rh6
- 2.Sf3#
- 1...Rh7
- 2.Sf3#
- 1...Rh8+
- 1.Qh2!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- K(c);N_SPINB(d),N_SPINP(b),S_FLIGHT::B(A)+S(B)
- R(a);N_GUARD::S(B)
- R(a);N_GUARD,XB(E)::QAB(I)
- R(a);N_GUARD::QAB(I)
- R(a);N_GUARD::S(B),XR(a)
- S(e);N_GUARD::S(B),XS(e)
- S(e);N_GUARD,XB(E)::S(B)
- S(e);N_GUARD::S(B)
- Tries
- Try
- K(H);P-FLIGHT
- Vars
- K(c);N_SPINB(d),N_SPINP(b),S_FLIGHT::B(A)+S(B)
- R(a);N_GUARD,XB(E)::QAB(I)
- S(e);N_GUARD,XB(E)::S(B)
- S(e);N_GUARD::S(B),XS(e)
- S(e);N_GUARD::S(B)
- R(a);N_GUARD::S(B)
- R(a);N_GUARD::QAB(I)
- R(a);N_GUARD::S(B),XR(a)
- Refutation
- R(a);CHECK
- Try
- R(F);
- Threat
- QAB(I)
- Vars
- K(c);N_SPINB(d),N_SPINP(b),S_FLIGHT::B(A)+S(B)
- R(a);N_GUARD,XB(E)::QAB(I)
- S(e);N_GUARD,XB(E)::S(B)
- S(e);N_GUARD::S(B),XS(e)
- S(e);N_GUARD::S(B)
- Refutation
- S(e);N_SPINP(b),XR(F)
- Try
- R(G);CHECK,XB(d)
- Vars
- S(e);XR(G)::S(B)
- Refutation
- P(f);XR(G)
- Try
- R(G);
- Vars
- K(c);N_SPINB(d),N_SPINP(b),S_FLIGHT::B(A)+S(B)
- R(a);N_GUARD,XB(E)::QAB(I)
- S(e);N_GUARD,XB(E)::S(B)
- S(e);N_GUARD::S(B),XS(e)
- S(e);N_GUARD::S(B)
- R(a);N_GUARD::S(B)
- R(a);N_GUARD::QAB(I)
- Refutation
- R(a);
- Try
- R(G);N_PINB(d)
- Threat
- QAB1(I)
- Vars
- K(c);N_SPINP(b),S_FLIGHT::B(A)+S(B)
- S(e);N_GUARD,XB(E)::S(B)
- S(e);N_GUARD::S(B),XS(e)
- S(e);N_GUARD::S(B)
- R(a);N_GUARD,P_PINQ(I)::QAB(I),XR(a)
- Refutation
- B(d);
- Try
- Q(I);
- Threat
- QAB(I)
- Vars
- K(c);N_SPINB(d),N_SPINP(b),S_FLIGHT::B(A)+S(B)
- S(e);N_GUARD,XB(E)::S(B)
- S(e);N_GUARD::S(B),XS(e)
- S(e);N_GUARD::S(B)
- R(a);N_GUARD::S(B),XR(a)
- R(a);N_GUARD::S(B)
- Refutation
- R(a);CHECK
- Try
- Q(I);
- Threat
- DUALS(2)
- Vars
- K(c);N_SPINB(d),N_SPINP(b),S_FLIGHT::B(A)+S(B)
- Refutation
- R(a);CHECK
- Try
- Q(I);
- Threat
- QAB(I)
- Vars
- K(c);N_SPINB(d),N_SPINP(b),S_FLIGHT::B(A)+S(B)
- S(e);N_GUARD,XB(E)::S(B)
- R(a);N_GUARD::S(B),XR(a)
- R(a);N_GUARD::S(B)
- S(e);N_GUARD::S(B),XS(e)
- S(e);N_GUARD::S(B)
- Refutation
- R(a);CHECK
- Try
- Q(I);
- Vars
- K(c);N_SPINB(d),N_SPINP(b),S_FLIGHT::B(A)+S(B)
- R(a);N_GUARD,XB(E)::QAB(I)
- S(e);N_GUARD,XB(E)::S(B)
- S(e);N_GUARD::S(B),XS(e)
- S(e);N_GUARD::S(B)
- R(a);N_GUARD::QAB(I)
- R(a);N_GUARD::S(B)
- R(a);N_GUARD::S(B),XR(a)
- Refutation
- S(e);
- Try
- Actual
- Q(I);
- Vars
- R(a);CHECK,OGATE::QAB(I),XR(a)
- K(c);N_SPINB(d),N_SPINP(b),S_FLIGHT::B(A)+S(B)
- R(a);N_GUARD,XQ(I)::S(B)
- R(a);OGATE,XB(E)::QAB(I)
- S(e);N_GUARD,XB(E)::S(B)
- R(a);OGATE::QAB(I)
- S(e);N_GUARD::S(B),XS(e)
- S(e);N_GUARD::S(B)
- R(a);N_GUARD::S(B),XR(a)
- R(a);N_GUARD::S(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).