MESON Chess Problem Database
Problem Display
PID: 179158 (8/7B/3p4/3N4/1KP5/nbp1pp2/1RqPkN1b/r1Q1B2R w - - 0 1)
Kopyl, Valery Volodimirovich
3rd HM., Phenix, 2011
#2
10 + 10
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Qb1
- 2.Sxc3#
- 1...Qd1
- 2.Sxc3#
- 2.Bd3#
- 1...Qd3
- 2.Bxd3#
- 1...Qe4
- 2.Sxc3#
- 1...Qf5
- 2.Sxc3#
- 1...Qg6
- 2.Sxc3#
- 1...Qxh7
- 2.Sxc3#
- 1...Qxc1
- 2.Bd3#
- 1...Qxb2
- 2.Bd3#
- 1...Qxd2
- 2.Sxc3#
- 2.Bd3#
- 1...Bf4
- 2.Sxf4#
- 1...Qb1
- Tries
- 1.Bxc2?
- threat
- 2.Sxc3#
- 2.Bd3#
- 1...Bxc2
- 2.Sxc3#
- 1...Bxc4
- 2.Sxc3#
- 2.Bd1#
- 1...cxb2
- 2.Sc3#
- 2.Bd3#
- 1...cxd2
- 2.Sc3#
- 2.Bd3#
- 1...exd2
- 2.Bd3#
- 1...exf2
- 2.Sxc3#
- 1...Bg1
- 2.Bd3#
- 1...Be5
- 2.Bd3#
- 1...Sb1
- 2.Bd3#
- 2.Qd1#
- 1...Sb5
- 2.Bd3#
- 1...Sxc2+!
- threat
- 1.Rxc2?
- threat
- 2.Sxc3#
- 2.Bd3#
- 1...Bxc2
- 2.Sxc3#
- 1...Bxc4
- 2.Sxc3#
- 1...cxd2
- 2.Sc3#
- 2.Bd3#
- 1...exd2
- 2.Bd3#
- 1...exf2
- 2.Sxc3#
- 1...Bg1
- 2.Bd3#
- 1...Be5
- 2.Bd3#
- 1...Sb1
- 2.Bd3#
- 2.Qd1#
- 1...Sb5
- 2.Bd3#
- 1...Sxc2+!
- threat
- 1.Qd1+?
- 1...Qxd1
- 2.Sxc3#
- 2.Bd3#
- 1...Rxd1!
- 1...Qxd1
- 1.dxc3?
- threat
- 2.Bd3#
- 2.Qxe3#
- 1...Rxc1
- 2.Bd3#
- 1...Bxc4
- 2.Qxe3#
- 1...Sxc4
- 2.Bd3#
- 1...Bg1
- 2.Bd3#
- 1...Qd2
- 2.Bd3#
- 1...Bf4
- 2.Sxf4#
- 2.Bd3#
- 1...exf2!
- threat
- 1.dxe3?
- threat
- 2.Sxc3#
- 2.Bd3#
- 1...Qxb2
- 2.Bd3#
- 1...Rxc1
- 2.Bd3#
- 1...Bxc4
- 2.Sxc3#
- 1...Bg1
- 2.Bd3#
- 1...Qd2
- 2.Bd3#
- 1...Be5
- 2.Bd3#
- 1...Sb1
- 2.Bd3#
- 2.Qd1#
- 1...Sb5
- 2.Bd3#
- 1...cxb2!
- threat
- 1.d3?
- threat
- 2.Sxc3#
- 2.Qxe3#
- 1...Qxb2
- 2.Qxe3#
- 1...Rxc1
- 2.Sxc3#
- 1...Sxc4
- 2.Sxc3#
- 1...cxb2
- 2.Qxe3#
- 1...exf2
- 2.Sxc3#
- 1...Qd2
- 2.Sxc3#
- 1...Bf4
- 2.Sxc3#
- 2.Sxf4#
- 1...Be5
- 2.Qxe3#
- 1...Sb1
- 2.Qxe3#
- 2.Qd1#
- 1...Sb5
- 2.Qxe3#
- 1...Bg1!
- threat
- 1.Bxc2?
- Keys
- 1.d4!
- threat
- 2.Sxc3#
- 2.Bd3#
- 2.Qxe3#
- 1...Qxb2
- 2.Bd3#
- 2.Qxe3#
- 1...Rxc1
- 2.Sxc3#
- 2.Bd3#
- 1...Bxc4
- 2.Sxc3#
- 2.Qxe3#
- 1...Sxc4
- 2.Sxc3#
- 2.Bd3#
- 1...cxb2
- 2.Qxe3#
- 1...exf2
- 2.Sxc3#
- 1...Bg1
- 2.Bd3#
- 1...Qd2
- 2.Sxc3#
- 2.Bd3#
- 1...Bf4
- 2.Sxc3#
- 2.Sxf4#
- 2.Bd3#
- 1...Sb1
- 2.Bd3#
- 2.Qxe3#
- 2.Qd1#
- 1...Sb5
- 2.Bd3#
- 2.Qxe3#
- threat
- 1.d4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 9
- Sets
- Q(b);N_GUARD::S(I),XP(g)
- Q(b);N_GUARD::B(J),XQ(b)
- Q(b);N_GUARD,P_PINP(H)::S(I),XP(g)
- Q(b);N_GUARD,XB(J)::S(I),XP(g)
- Q(b);N_GUARD,XQ(A)::B(J)
- Q(b);N_GUARD,XR(D)::B(J)
- B(d);N_GUARD::S(I),XB(d)
- Tries
- Try
- B(J);XQ(b)
- Threat
- DUALS(2)
- Vars
- B(f);XB(J)::S(I),XP(g)
- P(h);XP(E)::B(J)
- P(h);XS(F)::S(I),XP(g)
- B(d);::B(J)
- S(e);::B(J)
- Refutation
- S(e);CHECK,XB(J)
- Try
- R(D);XQ(b)
- Threat
- DUALS(2)
- Vars
- B(f);XR(D)::S(I),XP(g)
- B(f);XP(H)::S(I),XP(g)
- P(h);P_SPINP(h),XP(E)::B(J)
- P(h);XS(F)::S(I),XP(g)
- B(d);::B(J)
- S(e);::B(J)
- Refutation
- S(e);CHECK,XR(D)
- Try
- Q(A);CHECK
- Refutation
- R(a);XQ(A)
- Try
- P(E);P_PINQ(b),XP(g)
- Threat
- DUALS(2)
- Vars
- R(a);XQ(A)::B(J)
- B(f);XP(H)::QAR1(A),XP(h)
- S(e);XP(H)::B(J)
- B(d);::B(J)
- Q(b);P_PINP(E)::B(J)
- Refutation
- P(h);XS(F)
- Try
- P(E);P_PINQ(b),XP(h)
- Threat
- DUALS(2)
- Vars
- Q(b);N_SPINQ(b),XR(D)::B(J)
- R(a);XQ(A)::B(J)
- B(f);XP(H)::S(I),XP(g)
- B(d);::B(J)
- Q(b);::B(J)
- S(e);::B(J)
- Refutation
- P(g);N_SPINQ(b),XR(D)
- Try
- P(E);P_PINQ(b)
- Threat
- DUALS(2)
- Vars
- Q(b);N_SPINQ(b),XR(D)::QAR1(A),XP(h)
- R(a);XQ(A)::S(I),XP(g)
- S(e);XP(H)::S(I),XP(g)
- P(g);N_SPINQ(b),XR(D)::QAR1(A),XP(h)
- P(h);XS(F)::S(I),XP(g)
- Q(b);::S(I),XP(g)
- B(d);::QAR1(A),XP(h)
- S(e);::QAR1(A),XP(h)
- Refutation
- B(d);
- Try
- Actual
- P(E);P_PINQ(b)
- Threat
- DUALS(3)
- Vars
- P(g);N_SPINQ(b),XR(D)::QAR1(A),XP(h)
- P(h);XS(F)::S(I),XP(g)
- B(d);::B(J)
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).