MESON Chess Problem Database
Problem Display
PID: 272542 (Kb1n4/P3N2P/6R1/2P1k1B1/3pB1P1/5Pp1/1r5q/6Qn w - - 0 1)
Pavlov, Yury A
Shakhmatnaya kompozitsiya, 1998
#2
11 + 8
SOLUTION
- SOUND
- Sets
- 1...Qxg1
- 2.h8Q#
- 2.h8B#
- 1...Qc2
- 2.h8Q#
- 2.h8B#
- 1...Qd2
- 2.h8Q#
- 2.h8B#
- 1...Qe2
- 2.h8Q#
- 2.h8B#
- 1...Qf2
- 2.h8Q#
- 2.h8B#
- 1...Qg2
- 2.h8Q#
- 2.h8B#
- 1...Rc2
- 2.axb8Q#
- 2.axb8B#
- 1...Rd2
- 2.axb8Q#
- 2.axb8B#
- 1...Re2
- 2.axb8Q#
- 2.axb8B#
- 1...Rf2
- 2.axb8Q#
- 2.axb8B#
- 1...Rg2
- 2.axb8Q#
- 2.axb8B#
- 1...Sc6
- 2.Sxc6#
- 1...Se6
- 2.Sc6#
- 1...Sb7
- 2.Sc6#
- 1...Sf7
- 2.Sc6#
- 1...Qxg1
- Tries
- 1.Bc2?
- threat
- 2.f4#
- 1...Qxc2
- 2.h8Q#
- 2.h8B#
- 1...Rxc2
- 2.axb8Q#
- 2.axb8B#
- 1...Qd2
- 2.h8Q#
- 2.h8B#
- 1...Qf2
- 2.h8Q#
- 2.h8B#
- 1...Qg2
- 2.h8Q#
- 2.h8B#
- 1...g2
- 2.Qe1#
- 1...d3
- 2.Qe3#
- 1...Se6!
- threat
- 1.Bd5?
- threat
- 2.f4#
- 1...Se6
- 2.Rxe6#
- 1...Qd2
- 2.h8Q#
- 2.h8B#
- 1...Qf2
- 2.h8Q#
- 2.h8B#
- 1...Rf2
- 2.axb8Q#
- 2.axb8B#
- 1...g2!
- threat
- 1.Bf5?
- threat
- 2.f4#
- 1...Qd2
- 2.h8Q#
- 2.h8B#
- 1...Qf2
- 2.h8Q#
- 2.h8B#
- 1...Qg2
- 2.h8Q#
- 2.h8B#
- 1...Rf2
- 2.axb8Q#
- 2.axb8B#
- 1...Se6
- 2.Rxe6#
- 1...g2!
- threat
- 1.Bf6+?
- 1...Kf4
- 2.Sd5#
- 1...Ke6!
- 1...Kf4
- 1.Rd6?
- threat
- 2.Sg6#
- 2.Qxd4#
- 1...Qxg1
- 2.Sg6#
- 2.h8Q#
- 2.h8B#
- 1...Qxh7
- 2.Qxd4#
- 1...Qd2
- 2.Sg6#
- 2.h8Q#
- 2.h8B#
- 1...Qf2
- 2.Sg6#
- 2.h8Q#
- 2.h8B#
- 1...Qh5
- 2.Qxd4#
- 1...Qh6
- 2.Qxd4#
- 1...Rd2
- 2.Sg6#
- 1...Rf2
- 2.Sg6#
- 1...Rb4
- 2.Sg6#
- 1...Sf2
- 2.Sg6#
- 1...Sc6
- 2.Sxc6#
- 2.Sg6#
- 1...Se6
- 2.Sc6#
- 2.Sg6#
- 2.Rd5#
- 1...d3
- 2.Sg6#
- 2.Qd4#
- 1...Bxd6!
- threat
- 1.Re6+?
- 1...Sxe6
- 2.Sc6#
- 2.Sg6#
- 1...Kxe6!
- 1...Sxe6
- 1.Qxh2?
- threat
- 2.h8Q#
- 2.h8B#
- 1...Rxh2
- 2.axb8Q#
- 2.axb8B#
- 1...Bxa7
- 2.h8Q#
- 2.h8B#
- 1...gxh2
- 2.h8Q#
- 2.h8B#
- 1...d3
- 2.Qxb2#
- 2.h8Q#
- 2.h8B#
- 1...Rb1
- 2.h8Q#
- 2.h8B#
- 1...Ra2
- 2.h8Q#
- 2.h8B#
- 1...Rc2
- 2.axb8Q#
- 2.axb8B#
- 2.h8Q#
- 2.h8B#
- 1...Rd2
- 2.axb8Q#
- 2.axb8B#
- 2.h8Q#
- 2.h8B#
- 1...Re2
- 2.axb8Q#
- 2.axb8B#
- 2.h8Q#
- 2.h8B#
- 1...Rf2
- 2.axb8Q#
- 2.axb8B#
- 2.h8Q#
- 2.h8B#
- 1...Rg2
- 2.axb8Q#
- 2.axb8B#
- 2.h8Q#
- 2.h8B#
- 1...Rb3
- 2.h8Q#
- 2.h8B#
- 1...Rb4
- 2.h8Q#
- 2.h8B#
- 1...Rb5
- 2.h8Q#
- 2.h8B#
- 1...Rb7
- 2.h8Q#
- 2.h8B#
- 1...Bd6
- 2.h8Q#
- 2.h8B#
- 1...Bc7
- 2.h8Q#
- 2.h8B#
- 1...Sf2
- 2.Qxg3#
- 2.h8Q#
- 2.h8B#
- 1...Sc6
- 2.Sxc6#
- 2.h8Q#
- 2.h8B#
- 1...Se6
- 2.Sc6#
- 1...Sb7
- 2.Sc6#
- 2.h8Q#
- 2.h8B#
- 1...Sf7
- 2.Sc6#
- 1...Rb6!
- threat
- 1.Qc1?
- threat
- 2.Bf4#
- 2.Qf4#
- 1...d3
- 2.Qc3#
- 1...Qd2
- 2.h8Q#
- 2.h8B#
- 1...Qh6
- 2.Qf4#
- 1...Rd2
- 2.axb8Q#
- 2.axb8B#
- 1...Se6
- 2.Sc6#
- 2.Bf6#
- 1...g2!
- threat
- 1.Qg2?
- threat
- 2.f4#
- 1...Qxg2
- 2.h8Q#
- 2.h8B#
- 1...Rxg2
- 2.axb8Q#
- 2.axb8B#
- 1...Rf2
- 2.axb8Q#
- 2.axb8B#
- 1...Se6
- 2.Sc6#
- 1...d3!
- threat
- 1.Qxg3+?
- 1...Qxg3
- 2.h8Q#
- 2.h8B#
- 1...Sxg3!
- 1...Qxg3
- 1.Bc2?
- Keys
- 1.Qe1!
- threat
- 2.f4#
- 1...d3
- 2.Qc3#
- 1...g2
- 2.Bc2#
- 1...Qd2
- 2.h8Q#
- 2.h8B#
- 1...Qe2
- 2.h8Q#
- 2.h8B#
- 1...Qf2
- 2.h8Q#
- 2.h8B#
- 1...Re2
- 2.axb8Q#
- 2.axb8B#
- 1...Rf2
- 2.axb8Q#
- 2.axb8B#
- 1...Se6
- 2.Sc6#
- threat
- 1.Qe1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 3
- Sets
- Q(c);N_GUARD,XQ(A)::P=Q
- Q(c);N_GUARD::P=Q
- R(b);N_GUARD::PXB(g)=Q
- S(h);N_GUARD::S(I),XS(h)
- S(h);N_GUARD::S(I)
- Tries
- Try
- B(C);
- Threat
- P(B)
- Vars
- Q(c);N_GUARD,XB(C)::P=Q
- R(b);N_GUARD,XB(C)::PXB(g)=Q
- Q(c);N_GUARD::P=Q
- Q(c);N_GUARD,P_PINP(B)::P=Q
- P(d);S_CUTQ(c)::QAR(A)
- P(e);N_GUARD::QAR2(A)
- Refutation
- S(h);
- Try
- B(C);
- Threat
- P(B)
- Vars
- S(h);N_GUARD::R1(G),XS(h)
- Q(c);N_GUARD::P=Q
- R(b);N_GUARD::PXB(g)=Q
- Refutation
- P(d);
- Try
- B(C);
- Threat
- P(B)
- Vars
- Q(c);N_GUARD::P=Q
- Q(c);N_GUARD,P_PINP(B)::P=Q
- R(b);N_GUARD::PXB(g)=Q
- S(h);N_GUARD::R1(G),XS(h)
- Refutation
- P(d);
- Try
- B(F);CHECK
- Vars
- K(f);N_GUARD,S_FLIGHT::S(I)
- Refutation
- K(f);P-FLIGHT
- Try
- R(G);
- Threat
- DUALS(2)
- Vars
- Q(c);XP(J)::QAB1(A),XP(e)
- Q(c);::QAB1(A),XP(e)
- R(b);::S(I)
- S(a);::S(I)
- Refutation
- B(g);XR(G)
- Try
- R(G);CHECK
- Refutation
- K(f);P-FLIGHT,XR(G)
- Try
- Q(A);P_PINP(d),XQ(c)
- Threat
- P=Q
- Vars
- R(b);N_GUARD,N_SPINP(d),XQ(A)::PXB(g)=Q
- B(g);XP(H)::P=Q
- P(d);N_SPINP(d),XQ(A)::P=Q
- R(b);::P=Q
- R(b);P_PINP(H)::P=Q
- B(g);::P=Q
- S(h);N_GUARD::S(I)
- Refutation
- R(b);
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- P(e);OGATEB::QAB(A)
- Q(c);N_GUARD::P=Q
- Q(c);::QAB1(A)
- R(b);N_GUARD::PXB(g)=Q
- Refutation
- P(d);
- Try
- Q(A);
- Threat
- P(B)
- Vars
- Q(c);N_GUARD,XQ(A)::P=Q
- R(b);N_GUARD,XQ(A)::PXB(g)=Q
- R(b);N_GUARD::PXB(g)=Q
- S(h);N_GUARD::S(I)
- Refutation
- P(e);
- Try
- Q(A);CHECK,XP(d)
- Vars
- Q(c);XQ(A)::P=Q
- Refutation
- S(a);XQ(A)
- Try
- Actual
- Q(A);
- Threat
- P(B)
- Vars
- P(e);OGATEB::QAB(A)
- P(d);S_CUTQ(c)::QAR(A)+B(C)
- Q(c);N_GUARD::P=Q
- R(b);N_GUARD::PXB(g)=Q
- S(h);N_GUARD::S(I)
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).