MESON Chess Problem Database
Problem Display
PID: 236834 (1K6/1pR1Qb1P/4n3/1r1NkBP1/2P1pRp1/1P1p1p2/2n3Nq/2B5 w - - 0 1)
Papack, Daniel
Variantim, 2018
#2
12 + 11
SOLUTION
- SOUND
- Sets
- 1...Kd4
- 2.Bb2#
- 2.Rxe4#
- 2.Qf6#
- 1...Qg1
- 2.h8Q#
- 2.h8B#
- 1...Qg3
- 2.h8Q#
- 2.h8B#
- 1...Qxg2
- 2.h8Q#
- 2.h8B#
- 1...Bh5
- 2.h8Q#
- 2.h8B#
- 1...Sa1
- 2.Bb2#
- 1...Se1
- 2.Bb2#
- 1...Sa3
- 2.Bb2#
- 1...Se3
- 2.Bb2#
- 1...Sb4
- 2.Bb2#
- 1...Kd4
- Tries
- 1.Sge3?
- threat
- 2.Rxe4#
- 1...Kd4
- 2.Bb2#
- 2.Rxe4#
- 2.Qf6#
- 1...Qxf4
- 2.h8Q#
- 2.h8B#
- 1...Sxe3!
- threat
- 1.Sh4?
- threat
- 2.Rxe4#
- 2.h8Q#
- 2.h8B#
- 1...Kd4
- 2.Bb2#
- 2.Rxe4#
- 2.Qf6#
- 1...Qxf4
- 2.h8Q#
- 2.h8B#
- 1...Rxb3
- 2.Rxe4#
- 2.h8Q#
- 2.h8B#
- 1...Rxd5
- 2.Rxe4#
- 2.h8Q#
- 2.h8B#
- 1...Qg1
- 2.Rxe4#
- 2.h8Q#
- 2.h8B#
- 1...Qg3
- 2.Rxe4#
- 2.h8Q#
- 2.h8B#
- 1...Qh1
- 2.Rxe4#
- 2.h8Q#
- 2.h8B#
- 1...Qd2
- 2.Rxe4#
- 2.h8Q#
- 2.h8B#
- 1...Qe2
- 2.h8Q#
- 2.h8B#
- 1...Qf2
- 2.Rxe4#
- 2.h8Q#
- 2.h8B#
- 1...Qg2
- 2.Rxe4#
- 2.h8Q#
- 2.h8B#
- 1...Qh3
- 2.Rxe4#
- 2.h8Q#
- 2.h8B#
- 1...Rb4
- 2.Rxe4#
- 2.h8Q#
- 2.h8B#
- 1...Ra5
- 2.Rxe4#
- 2.h8Q#
- 2.h8B#
- 1...Rc5
- 2.Rxe4#
- 2.h8Q#
- 2.h8B#
- 1...Rb6
- 2.Rxe4#
- 2.h8Q#
- 2.h8B#
- 1...Bh5
- 2.Rxe4#
- 2.h8Q#
- 2.h8B#
- 1...Bg6
- 2.Rxe4#
- 2.h8Q#
- 2.h8B#
- 1...Be8
- 2.Rxe4#
- 2.h8Q#
- 2.h8B#
- 1...Bg8
- 2.Rxe4#
- 2.h8Q#
- 2.h8B#
- 1...Sa1
- 2.Rxe4#
- 2.h8Q#
- 2.h8B#
- 1...Se1
- 2.Rxe4#
- 2.h8Q#
- 2.h8B#
- 1...Sa3
- 2.Rxe4#
- 2.h8Q#
- 2.h8B#
- 1...Se3
- 2.Rxe4#
- 2.h8Q#
- 2.h8B#
- 1...Sb4
- 2.Rxe4#
- 2.h8Q#
- 2.h8B#
- 1...Sd4
- 2.Rxe4#
- 2.h8Q#
- 2.h8B#
- 1...d2
- 2.Rxe4#
- 2.h8Q#
- 2.h8B#
- 1...f2
- 2.Rxe4#
- 2.h8Q#
- 2.h8B#
- 1...e3
- 2.Re4#
- 2.h8Q#
- 2.h8B#
- 1...g3
- 2.Rxe4#
- 2.h8Q#
- 2.h8B#
- 1...b6
- 2.Rxe4#
- 2.h8Q#
- 2.h8B#
- 1...Qxh4!
- threat
- 1.Rd7?
- threat
- 2.Qf6#
- 1...Kd4
- 2.Bb2#
- 1...Qh6!
- threat
- 1.Qd6+?
- 1...Kd4
- 2.Bb2#
- 2.Rxe4#
- 1...Kxd6!
- 1...Kd4
- 1.Qxe6+?
- 1...Kd4
- 2.Bb2#
- 2.Rxe4#
- 2.Qxe4#
- 2.Qf6#
- 1...Bxe6!
- 1...Kd4
- 1.Sge3?
- Keys
- 1.Sde3!
- threat
- 2.Rxe4#
- 1...Kd4
- 2.Bb2#
- 1...Qxf4
- 2.h8Q#
- 2.h8B#
- 1...Sxe3
- 2.Bb2#
- threat
- 1.Sde3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 4
- Sets
- Q(b);N_GUARD::P=Q
- Q(b);N_GUARD,XS(B)::P=Q
- B(k);S_CUTQ(b)::P=Q
- S(a);N_GUARD::B(A)
- Tries
- Try
- S(B);
- Threat
- R1(E),XP(e)
- Vars
- Q(b);N_GUARD,XR(E)::P=Q
- Refutation
- S(a);XS(B)
- Try
- S(B);
- Threat
- DUALS(3)
- Vars
- Q(b);XR(E)::P=Q
- Q(b);::P=Q
- Refutation
- Q(b);XS(B)
- Try
- R(I);
- Threat
- QAB1(J)
- Vars
- K(h);N_SPINS(i),P_PINR(E),P_SPINP(e),S_FLIGHT::B(A)
- Refutation
- Q(b);
- Try
- Q(J);CHECK,N_PINS(i)
- Refutation
- K(h);S_FLIGHT,XQ(J)
- Try
- Q(J);CHECK,XS(i)
- Refutation
- B(k);XQ(J)
- Try
- Actual
- S(F);
- Threat
- R1(E),XP(e)
- Vars
- K(h);N_SPINS(i),P_SPINP(e),S_FLIGHT::B(A)
- Q(b);N_GUARD,XR(E)::P=Q
- S(a);N_GUARD,XS(F)::B(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).