MESON Chess Problem Database
Problem Display
PID: 81737 (1n2BbK1/1rB2P2/1p2Q1p1/1pkP1bR1/1R2p3/Pp3r2/3N4/6q1 w - - 0 1)
Murashev, Pavel Aleksandrovich
Mat Plus, 2008
#2
10 + 12
SOLUTION
- SOUND
- Sets
- 1...Qd4
- 2.Rxb5#
- 1...Rf1
- 2.Sxb3#
- 1...Rf2
- 2.Sxb3#
- 1...Rf4
- 2.Sxb3#
- 1...Ra7
- 2.Bxb6#
- 1...Bh3
- 2.Sxe4#
- 1...Bg4
- 2.Sxe4#
- 1...Bxe6
- 2.Sxe4#
- 1...Bd6
- 2.Bxd6#
- 2.Qxd6#
- 1...Bh6
- 2.Bd6#
- 2.Qd6#
- 1...Bg7
- 2.Bd6#
- 2.Qd6#
- 1...Sa6
- 2.Qc6#
- 1...Sc6
- 2.Qxc6#
- 1...Sd7
- 2.Qc6#
- 1...e3
- 2.Sxb3#
- 1...Qd4
- Tries
- 1.Be5?
- threat
- 2.Rxb5#
- 1...Qf1
- 2.Bd4#
- 1...Sc6
- 2.Qxc6#
- 1...Sd7
- 2.Qc6#
- 1...Rd7!
- threat
- 1.Bxb8?
- threat
- 2.Qc6#
- 1...Bxe6
- 2.Sxe4#
- 1...Bd6
- 2.Bxd6#
- 2.Qxd6#
- 1...Rc7!
- threat
- 1.Qe5?
- threat
- 2.Rxb5#
- 2.d6#
- 1...Qh2
- 2.Rxb5#
- 2.Qd4#
- 1...Qd4
- 2.Rxb5#
- 2.Qxd4#
- 1...Qa1
- 2.Rxb5#
- 1...Qf1
- 2.Qd4#
- 2.d6#
- 1...Qg3
- 2.Rxb5#
- 2.Qd4#
- 1...Rd3
- 2.Rxb5#
- 1...Be6
- 2.Sxe4#
- 2.Rxb5#
- 2.dxe6#
- 1...Bd7
- 2.Sxe4#
- 1...Bd6
- 2.Bxd6#
- 2.Rxb5#
- 2.Qxd6#
- 1...Bg7
- 2.Bd6#
- 2.Rxb5#
- 2.Qd6#
- 1...Sc6
- 2.dxc6#
- 1...Sd7!
- threat
- 1.Qe7+?
- 1...Kxd5
- 2.Qe5#
- 1...Bxe7!
- 1...Kxd5
- 1.d6?
- threat
- 2.Sxe4#
- 2.Qe5#
- 1...Qxg5
- 2.Qe5#
- 1...Bxd6
- 2.Sxe4#
- 2.Bxd6#
- 2.Qxd6#
- 1...Qh2
- 2.Sxe4#
- 1...Qe3
- 2.Qe5#
- 1...Qd4
- 2.Rxb5#
- 1...Qa1
- 2.Sxe4#
- 1...Qb1
- 2.Qe5#
- 1...Qe1
- 2.Qe5#
- 1...Qg3
- 2.Sxe4#
- 1...Qg4
- 2.Qe5#
- 1...Rd3
- 2.Sxe4#
- 1...Re3
- 2.Qe5#
- 1...Rf4
- 2.Sxb3#
- 2.Qe5#
- 1...Bg7
- 2.Sxe4#
- 1...Sc6
- 2.Sxe4#
- 1...e3
- 2.Sxb3#
- 2.Se4#
- 2.Qe5#
- 1...Sd7!
- threat
- 1.Be5?
- Keys
- 1.Qf6!
- threat
- 2.Rxb5#
- 1...Kxd5
- 2.Qe5#
- 1...Qf1
- 2.Qd4#
- 1...Bd7
- 2.Sxe4#
- 1...Sc6
- 2.Qxc6#
- 1...Sd7
- 2.Qc6#
- threat
- 1.Qf6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 10
- Sets
- Q(a);SBLOCK::R1(C),XP(e)
- R(c);N_GUARD::S(A),XP(b)
- R(j);N_GUARD::B(G),XP(h)
- B(g);N_GUARD::S(A),XP(d)
- B(g);N_GUARD,P_PINP(H),XQ(F)::S(A),XP(d)
- S(k);N_GUARD::QAR1(F)
- S(k);N_GUARD::QAR1(F),XS(k)
- P(d);S_CUTR(c)::S(A),XP(b)
- Tries
- Try
- B(G);
- Threat
- R1(C),XP(e)
- Vars
- Q(a);N_GUARD::B(G)
- S(k);N_GUARD::QAR1(F),XS(k)
- S(k);N_GUARD::QAR1(F)
- Refutation
- R(j);
- Try
- B(G);XS(k)
- Threat
- QAR1(F)
- Vars
- B(g);N_GUARD,P_PINP(H),XQ(F)::S(A),XP(d)
- Refutation
- R(j);
- Try
- Q(F);
- Threat
- DUALS(2)
- Vars
- Q(a);::R1(C),XP(e)
- R(c);::R1(C),XP(e)
- B(g);N_GUARD::S(A),XP(d)
- S(k);OGATE::QAR(F)+P(D),XS(k)
- Refutation
- S(k);
- Try
- Q(F);CHECK
- Vars
- K(f);OGATEB,P-FLIGHT,P_SPINB(g),XP(D)::QAR1(F)
- Refutation
- B(l);XQ(F)
- Try
- P(D);P_PINB(g)
- Threat
- DUALS(2)
- Vars
- Q(a);N_SPINB(g),XR(E)::QAR2(F)
- Q(a);::S(A),XP(d)
- Q(a);::QAR2(F)
- Q(a);SBLOCK::R1(C),XP(e)
- R(c);::S(A),XP(d)
- R(c);::QAR2(F)
- B(l);::S(A),XP(d)
- S(k);::S(A),XP(d)
- Refutation
- S(k);
- Try
- Actual
- Q(F);
- Threat
- R1(C),XP(e)
- Vars
- K(f);OGATEB,P-FLIGHT,P_SPINB(g),XP(D)::QAR1(F)
- Q(a);N_GUARD::QAB1(F)
- B(g);N_GUARD::S(A),XP(d)
- S(k);N_GUARD::QAR1(F),XS(k)
- S(k);N_GUARD::QAR1(F)
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).