MESON Chess Problem Database
Problem Display
PID: 221740 (8/3P1N1Q/3qp3/4Nnp1/2Ppkr1p/2P2pR1/n2R1PPB/6K1 w - - 0 1)
Murashev, Pavel Aleksandrovich
SuperProblem, 2018
#2
12 + 10
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Qa3
- 2.Rxd4#
- 1...Qb4
- 2.Rxd4#
- 1...Qxe5
- 2.Sxg5#
- 1...Qc7
- 2.Rxd4#
- 1...Qe7
- 2.Rxd4#
- 1...Qb8
- 2.Rxd4#
- 1...Qf8
- 2.Rxd4#
- 1...Qa6
- 2.Rxd4#
- 1...Qc6
- 2.Rxd4#
- 1...Rg4
- 2.Rxg4#
- 1...fxg2
- 2.Re2#
- 1...Qa3
- Tries
- 1.Sg4?
- threat
- 2.Sf6#
- 2.Sxg5#
- 2.Sxd6#
- 1...Qxd7
- 2.Sf6#
- 2.Sxg5#
- 1...Qa3
- 2.Sf6#
- 2.Sxg5#
- 2.Rxd4#
- 1...Qb4
- 2.Sf6#
- 2.Sxg5#
- 2.Rxd4#
- 1...Qc5
- 2.Sf6#
- 2.Sxg5#
- 1...Qe5
- 2.Sxg5#
- 1...Qc7
- 2.Sf6#
- 2.Sxg5#
- 2.Rxd4#
- 1...Qe7
- 2.Rxd4#
- 1...Qb8
- 2.Sf6#
- 2.Sxg5#
- 2.Rxd4#
- 1...Qf8
- 2.Sf6#
- 2.Sxg5#
- 2.Rxd4#
- 1...Qd5
- 2.Sf6#
- 2.Sxg5#
- 1...Qa6
- 2.Sf6#
- 2.Sxg5#
- 2.Rxd4#
- 1...Qb6
- 2.Sf6#
- 2.Sxg5#
- 1...Qc6
- 2.Sf6#
- 2.Sxg5#
- 2.Rxd4#
- 1...e5
- 2.Sxg5#
- 2.Sxd6#
- 1...Rxg4!
- threat
- 1.Sc6?
- threat
- 2.Sxg5#
- 2.Sxd6#
- 1...Qxc6
- 2.Rxd4#
- 1...Qxd7
- 2.Sxg5#
- 1...Qa3
- 2.Sxg5#
- 2.Rxd4#
- 1...Qb4
- 2.Sxg5#
- 2.Rxd4#
- 1...Qc5
- 2.Sxg5#
- 1...Qe5
- 2.Sxg5#
- 1...Qc7
- 2.Sxg5#
- 2.Rxd4#
- 1...Qe7
- 2.Rxd4#
- 1...Qb8
- 2.Sxg5#
- 2.Rxd4#
- 1...Qf8
- 2.Sxg5#
- 2.Rxd4#
- 1...Qd5
- 2.Sxg5#
- 1...g4
- 2.Sg5#
- 2.Sxd6#
- 1...Rg4!
- threat
- 1.Sg6?
- threat
- 2.Sxg5#
- 1...Sxg3
- 2.Sxd6#
- 1...Se3
- 2.Sxd6#
- 1...Sh6
- 2.Sxd6#
- 1...Se7
- 2.Sxd6#
- 1...Sg7
- 2.Sxd6#
- 1...Rg4
- 2.gxf3#
- 1...g4
- 2.Sg5#
- 1...Qe7!
- threat
- 1.Qh8?
- threat
- 2.Sxg5#
- 1...Sxg3
- 2.Sxd6#
- 1...Rg4
- 2.Rxg4#
- 1...Se3
- 2.Sxd6#
- 1...Sh6
- 2.Sxd6#
- 1...Se7
- 2.Sxd6#
- 1...Qe7
- 2.Qa8#
- 1...g4
- 2.Sg5#
- 1...Sg7!
- threat
- 1.Sg4?
- Keys
- 1.Rg4!
- threat
- 2.gxf3#
- 1...Qxe5
- 2.Sxg5#
- 1...Rxg4
- 2.Sxd6#
- 1...fxg2
- 2.Re2#
- threat
- 1.Rg4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 8
- Sets
- Q(i);N_GUARD::R1(B),XP(c)
- Q(i);SBLOCK,XS(I)::S(K),XP(h)
- R(e);OGATEB::R(G),XR(e)
- P(b);N_GUARD,XP(D)::R(B)
- Tries
- Try
- S(I);
- Threat
- DUALS(3)
- Vars
- Q(i);::S(K),XP(h)
- Q(i);N_GUARD::R1(B),XP(c)
- Refutation
- R(e);XS(I)
- Try
- S(I);
- Threat
- DUALS(2)
- Vars
- Q(i);N_GUARD,XS(I)::R1(B),XP(c)
- Q(i);XP(J)::S(K),XP(h)
- Q(i);::S(K),XP(h)
- Q(i);N_GUARD::R1(B),XP(c)
- Refutation
- R(e);
- Try
- S(I);N_PINS(g)
- Threat
- S(K),XP(h)
- Vars
- S(g);N_GUARD,XR(G)::S(K),XQ(i)
- S(g);N_GUARD::S(K),XQ(i)
- R(e);N_GUARD::P(D),XP(b)
- P(h);::S(K)
- Refutation
- Q(i);
- Try
- Q(L);N_PINS(g)
- Threat
- S(K),XP(h)
- Vars
- S(g);N_GUARD,XR(G)::S(K),XQ(i)
- R(e);OGATEB::R(G),XR(e)
- S(g);N_GUARD::S(K),XQ(i)
- Q(i);N_GUARD::QAB(L)
- P(h);::S(K)
- Refutation
- S(g);
- Try
- Actual
- R(G);P_PINR(e)
- Threat
- P(D),XP(b)
- Vars
- Q(i);SBLOCK,XS(I)::S(K),XP(h)
- R(e);N_SPINR(e),P_PINP(D),XR(G)::S(K),XQ(i)
- P(b);N_GUARD,XP(D)::R(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).