MESON Chess Problem Database
Problem Display
PID: 168998 (2rr4/bb2Qp2/p1p5/R1P3nR/2Nk1Nn1/1K1ppP2/8/8 w - - 0 1)
Shanshin, Valery Yurevich
SuperProblem, 2017
#2
8 + 12
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Rd6
- 2.Qxd6#
- 1...Rd7
- 2.Qxd7#
- 1...Re8
- 2.Qd6#
- 2.Qd7#
- 1...Rf8
- 2.Qd6#
- 2.Qd7#
- 1...Rg8
- 2.Qd6#
- 2.Qd7#
- 1...Rh8
- 2.Qd6#
- 2.Qd7#
- 1...Bxc5
- 2.Qxc5#
- 1...Sf2
- 2.Qf6#
- 2.Qxe3#
- 2.Qe5#
- 1...Sh2
- 2.Qf6#
- 2.Qxe3#
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Sf6
- 2.Qxf6#
- 2.Qxe3#
- 2.Qe5#
- 1...Sh6
- 2.Qf6#
- 2.Qxe3#
- 2.Qe5#
- 1...Sh3
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sh7
- 2.Qe4#
- 1...Rd6
- Tries
- 1.Sb2?
- threat
- 2.Ra4#
- 1...Bxc5
- 2.Qxc5#
- 1...Rd6
- 2.Qxd6#
- 1...Se5!
- threat
- 1.Sd2?
- threat
- 2.Ra4#
- 1...Bxc5
- 2.Qxc5#
- 1...Rd6
- 2.Qxd6#
- 1...Se5!
- threat
- 1.Sa3?
- threat
- 2.Ra4#
- 1...Bxc5
- 2.Qxc5#
- 1...Rd6
- 2.Qxd6#
- 1...Se5!
- threat
- 1.Sxe3?
- threat
- 2.Sf5#
- 2.Ra4#
- 1...Bxc5
- 2.Sf5#
- 2.Qxc5#
- 1...Sxe3
- 2.Qf6#
- 1...Se5
- 2.Sf5#
- 1...Se4
- 2.Sf5#
- 2.Qxe4#
- 1...Rd5
- 2.Ra4#
- 1...Rd6
- 2.Sf5#
- 1...Sh6
- 2.Ra4#
- 1...f5
- 2.Sxf5#
- 2.Ra4#
- 1...Se6!
- threat
- 1.Sb6?
- threat
- 2.Ra4#
- 1...Rd6
- 2.Qxd6#
- 1...Se5!
- threat
- 1.Se2+?
- 1...Kd5
- 2.Qe4#
- 2.Qxf7#
- 1...dxe2!
- 1...Kd5
- 1.Ra4?
- threat
- 2.Sb2#
- 2.Sd2#
- 2.Sa3#
- 2.Sxe3#
- 2.Sa5#
- 2.Se5#
- 2.Sb6#
- 1...Rd6
- 2.Qxd6#
- 1...Se5
- 2.Sxe5#
- 2.Qxe5#
- 1...Bb6
- 2.Sb2#
- 2.Sd2#
- 2.Sa3#
- 2.Sxe3#
- 2.Sa5#
- 2.Se5#
- 2.Sxb6#
- 1...Se4
- 2.Sb2#
- 2.Sd2#
- 2.Sa3#
- 2.Sa5#
- 2.Se5#
- 2.Sb6#
- 2.Sd6#
- 2.Qxe4#
- 1...Se6
- 2.Sb2#
- 2.Sd2#
- 2.Sa3#
- 2.Sa5#
- 2.Se5#
- 2.Sb6#
- 2.Sd6#
- 1...d2
- 2.Sb2#
- 2.Sxd2#
- 2.Sa3#
- 2.Sxe3#
- 2.Sa5#
- 2.Se5#
- 2.Sb6#
- 1...e2
- 2.Sb2#
- 2.Sd2#
- 2.Sa3#
- 2.Se3#
- 2.Sa5#
- 2.Sb6#
- 1...a5
- 2.Sb2#
- 2.Sd2#
- 2.Sa3#
- 2.Sxe3#
- 2.Sxa5#
- 2.Se5#
- 2.Sb6#
- 1...Bxc5!
- threat
- 1.Rxg5?
- threat
- 2.Qe4#
- 1...Re8
- 2.Qd6#
- 2.Qd7#
- 1...Sf2
- 2.Qf6#
- 2.Qxe3#
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Sf6
- 2.Qxf6#
- 2.Qxe3#
- 2.Qe5#
- 1...f5!
- threat
- 1.Qf6+?
- 1...Se5
- 2.Qxe5#
- 1...Sxf6!
- 1...Se5
- 1.Sb2?
- Keys
- 1.Sd6!
- threat
- 2.Sf5#
- 1...Rxd6
- 2.Qxd6#
- 1...Sh6
- 2.Qf6#
- 1...Se6
- 2.Ra4#
- 1...f5
- 2.Sxf5#
- threat
- 1.Sd6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 6
- Sets
- R(l);N_GUARD::QAR2(H),XR(l)
- R(l);N_GUARD::QAR(H),XR(l)
- B(h);OGATE,XP(F)::QAB1(H),XB(h)
- S(d);N_GUARD::QAB1(H),XS(d)
- S(e);N_GUARD::QAR1(H)
- S(e);N_GUARD::QAR1(H),XS(e)
- Tries
- Try
- S(C);
- Threat
- R(E)
- Vars
- B(h);OGATE,XP(F)::QAB1(H),XB(h)
- R(l);N_GUARD::QAR2(H),XR(l)
- Refutation
- S(d);
- Try
- S(C);
- Threat
- R(E)
- Vars
- B(h);OGATE,XP(F)::QAB1(H),XB(h)
- R(l);N_GUARD::QAR2(H),XR(l)
- Refutation
- S(d);
- Try
- S(C);
- Threat
- R(E)
- Vars
- B(h);OGATE,XP(F)::QAB1(H),XB(h)
- R(l);N_GUARD::QAR2(H),XR(l)
- Refutation
- S(d);
- Try
- S(C);XP(b)
- Threat
- DUALS(2)
- Vars
- S(d);N_GUARD,SBLOCK,XS(C)::QAB(H)
- S(d);::S(C)
- R(l);::R(E)
- R(l);::S(C)
- S(d);::R(E)
- Refutation
- S(e);
- Try
- S(C);
- Threat
- R(E)
- Vars
- R(l);N_GUARD::QAR2(H),XR(l)
- Refutation
- S(d);
- Try
- S(D);CHECK
- Refutation
- P(a);XS(D)
- Try
- R(E);
- Threat
- DUALS(7)
- Vars
- R(l);N_GUARD::QAR2(H),XR(l)
- Refutation
- B(h);XP(F)
- Try
- R(G);XS(e)
- Threat
- QAR1(H)
- Vars
- S(d);N_GUARD::QAB1(H),XS(d)
- Refutation
- P(j);
- Try
- Q(H);CHECK
- Vars
- S(d);N_GUARD,P_SPINS(d)::QAB1(H),XS(d)
- Refutation
- S(d);XQ(H)
- Try
- Actual
- S(C);
- Threat
- S(C)
- Vars
- R(l);OGATE,XS(C)::QAR2(H),XR(l)
- S(d);N_GUARD::QAB(H)
- S(e);::R(E)
- P(j);::S(C),XP(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).