MESON Chess Problem Database
Problem Display
PID: 252664 (5R1K/1B2R3/p7/P2qr3/2ppk1pp/4P1p1/2P3nP/1Q3N1N w - - 0 1)
Sarkits, Anatoly L
Zadachi i Etyudi, 2005
#2
11 + 10
SOLUTION
- SOUND
- Sets
- 1...Qc6
- 2.Bxc6#
- 1...Qxb7
- 2.Qxb7#
- 1...Re6
- 2.Rxe6#
- 1...Se1
- 2.Rf4#
- 1...Sxe3
- 2.Sd2#
- 1...Sf4
- 2.Rxf4#
- 1...gxh2
- 2.Sf2#
- 1...dxe3
- 2.c3#
- 1...h3
- 2.Shxg3#
- 1...Qc6
- Tries
- 1.Sfxg3+?
- 1...Kxe3
- 2.Qc1#
- 1...hxg3!
- 1...Kxe3
- 1.Qa1?
- threat
- 2.Qxd4#
- 1...Sxe3
- 2.Sd2#
- 1...dxe3
- 2.Rxe5#
- 2.Qxe5#
- 1...Sf4
- 2.Rxf4#
- 1...d3
- 2.Rxe5#
- 2.Qd4#
- 2.Qxe5#
- 1...c3!
- threat
- 1.Qd1?
- threat
- 2.Qxd4#
- 1...Sxe3
- 2.Sd2#
- 1...dxe3
- 2.Bxd5#
- 2.Qxd5#
- 1...Sf4
- 2.Rxf4#
- 1...d3!
- threat
- 1.Qb2?
- threat
- 2.Qxd4#
- 1...Sxe3
- 2.Sd2#
- 1...dxe3
- 2.Rxe5#
- 2.Qxe5#
- 1...Sf4
- 2.Rxf4#
- 1...d3
- 2.Rxe5#
- 2.Qd4#
- 2.Qxe5#
- 1...c3!
- threat
- 1.Qb5?
- threat
- 2.Bxd5#
- 2.Qxd5#
- 1...Qxb7
- 2.Rxe5#
- 2.Qxe5#
- 2.Qxb7#
- 1...Rxe7
- 2.Qxd5#
- 1...Sxe3
- 2.Sd2#
- 1...dxe3
- 2.Qxc4#
- 2.Qxd5#
- 1...Re6
- 2.Rxe6#
- 2.Qxd5#
- 1...Sf4
- 2.Rxf4#
- 1...Qc6
- 2.Bxc6#
- 2.Rxe5#
- 2.Qxc6#
- 2.Qxe5#
- 1...axb5!
- threat
- 1.Qb6?
- threat
- 2.Qxd4#
- 2.Qg6#
- 1...Qxb7
- 2.Qxd4#
- 2.Qxb7#
- 1...Rxe7
- 2.Qxd4#
- 1...Sxe3
- 2.Sd2#
- 1...Qc6
- 2.Bxc6#
- 2.Qxd4#
- 2.Qxc6#
- 1...Re6
- 2.Rxe6#
- 2.Qxd4#
- 2.Qxe6#
- 1...Sf4
- 2.Rxf4#
- 1...d3
- 2.Sd2#
- 2.Qd4#
- 2.Qg6#
- 1...dxe3!
- threat
- 1.hxg3?
- threat
- 2.Sf2#
- 1...Qxb7
- 2.Qxb7#
- 1...dxe3
- 2.c3#
- 1...hxg3
- 2.Shxg3#
- 1...Qc6
- 2.Bxc6#
- 1...Re6
- 2.Rxe6#
- 1...Sf4
- 2.Rxf4#
- 1...Rxe7!
- threat
- 1.Sfxg3+?
- Keys
- 1.Qb4!
- 1...Qxb7
- 2.Qxb7#
- 1...Rxe7
- 2.Qxe7#
- 1...Sxe3
- 2.Sd2#
- 1...gxh2
- 2.Sf2#
- 1...dxe3
- 2.Qxc4#
- 1...Qc6
- 2.Bxc6#
- 1...Re6
- 2.Rxe6#
- 1...Sf4
- 2.Rxf4#
- 1...c3
- 2.Qxd4#
- 1...Se1
- 2.Rf4#
- 1...d3
- 2.Qxc4#
- 1...h3
- 2.Shxg3#
- 1...Qxb7
- 1.Qb4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- Q(h);OGATEB::B(H),XQ(h)
- Q(h);N_SPINQ(h),OGATE,XB(H)::QAB(A),XQ(h)
- R(i);OGATEB::R(I),XR(i)
- S(a);N_GUARD::R1(J)
- S(a);SBLOCK,XP(F)::S(B)
- S(a);N_GUARD::R1(J),XS(a)
- P(b);N_GUARD,XP(E)::S(C)
- P(d);N_GUARD,XP(F)::QAB(A)+P(D)
- P(g);N_GUARD::S(C),XP(b)
- Tries
- Try
- S(B);CHECK,XP(b)
- Vars
- K(e);N_SPINQ(h),P-FLIGHT,S_CUTP(g),XP(F)::QAB(A)
- Refutation
- P(g);XS(B)
- Try
- Q(A);
- Threat
- QAR1(A),XP(d)
- Vars
- S(a);SBLOCK,XP(F)::S(B)
- S(a);N_GUARD::R1(J),XS(a)
- Refutation
- P(c);
- Try
- Q(A);
- Threat
- QAR1(A),XP(d)
- Vars
- S(a);SBLOCK,XP(F)::S(B)
- S(a);N_GUARD::R1(J),XS(a)
- Refutation
- P(d);
- Try
- Q(A);
- Threat
- QAR1(A),XP(d)
- Vars
- S(a);SBLOCK,XP(F)::S(B)
- S(a);N_GUARD::R1(J),XS(a)
- Refutation
- P(c);
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- R(i);N_SPINR(i),XR(I)::QAB1(A),XQ(h)
- S(a);SBLOCK,XP(F)::S(B)
- S(a);N_GUARD::R1(J),XS(a)
- Refutation
- P(j);XQ(A)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- R(i);N_SPINR(i),XR(I)::QAR1(A),XP(d)
- S(a);SBLOCK,XP(F)::S(B)
- S(a);N_GUARD::R1(J),XS(a)
- Refutation
- P(d);XP(F)
- Try
- P(E);XP(b)
- Threat
- S(C)
- Vars
- Q(h);N_SPINQ(h),OGATE,XB(H)::QAB(A),XQ(h)
- P(d);N_GUARD,XP(F)::QAB(A)+P(D)
- P(g);XP(E)::S(C),XP(g)
- Q(h);OGATEB::B(H),XQ(h)
- R(i);OGATEB::R(I),XR(i)
- S(a);N_GUARD::R1(J),XS(a)
- Refutation
- R(i);N_SPINR(i),XR(I)
- Try
- Actual
- Q(A);
- Vars
- Q(h);N_SPINQ(h),OGATE,XB(H)::QAB(A),XQ(h)
- R(i);N_SPINR(i),OGATE,XR(I)::QAR(A),XR(i)
- S(a);SBLOCK,XP(F)::S(B)
- P(b);N_GUARD,XP(E)::S(C)
- P(d);OGATEB,P_SPINP(c),XP(F)::QAR2(A),XP(c)
- Q(h);OGATEB::B(H),XQ(h)
- R(i);OGATEB::R(I),XR(i)
- S(a);N_GUARD::R1(J),XS(a)
- P(c);OGATE,P_SPINP(d)::QAR1(A),XP(d)
- S(a);N_GUARD::R1(J)
- P(d);OGATEB,P_SPINP(c)::QAR2(A),XP(c)
- P(g);N_GUARD::S(C),XP(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).