MESON Chess Problem Database
Problem Display
PID: 273040 (1K3R2/1p2p3/3RB1N1/2p4b/2pPk2r/3rN1n1/2Pb1B2/1q1Q4 w - - 0 1)
Slesarenko, Anatoly Vasilevich
Shakhmatnaya kompozitsiya, 2021
#2
10 + 11
SOLUTION
- SOUND
- Sets
- 1...Rh1
- 2.Rf4#
- 1...Rh2
- 2.Rf4#
- 1...Rh3
- 2.Rf4#
- 1...Rf4
- 2.Rxf4#
- 1...Rg4
- 2.Qf3#
- 1...Bf3
- 2.Qxf3#
- 1...Bg4
- 2.Rf4#
- 1...Bxg6
- 2.Qf3#
- 1...Sf1
- 2.Bf5#
- 1...Sh1
- 2.Bf5#
- 1...Sf5
- 2.Bxf5#
- 1...cxd4
- 2.Bd5#
- 1...Rh1
- Tries
- 1.Sf1?
- threat
- 2.Bd5#
- 1...Rxd4
- 2.Sxg3#
- 1...Re3
- 2.Sxd2#
- 1...Be3
- 2.Sxg3#
- 1...exd6!
- threat
- 1.Sxc4?
- threat
- 2.Bd5#
- 1...exd6
- 2.Sxd6#
- 1...Re3
- 2.Sxd2#
- 1...Be3
- 2.Qxd3#
- 1...Rxd4!
- threat
- 1.Sf5?
- threat
- 2.Bd5#
- 1...Rxd4
- 2.Sxg3#
- 1...exd6
- 2.Sxd6#
- 1...Bxg6!
- threat
- 1.Bg4?
- threat
- 2.Rf4#
- 2.Qf3#
- 1...Qxd1
- 2.Rf4#
- 1...Rxe3
- 2.Rf4#
- 1...Rxg4
- 2.Qf3#
- 1...Bxe3
- 2.Qf3#
- 1...Bxg4
- 2.Rf4#
- 1...Bxg6
- 2.Bf3#
- 2.Qf3#
- 1...exd6
- 2.Rf4#
- 1...Sf5
- 2.Bxf5#
- 2.Qf3#
- 1...e5
- 2.Qf3#
- 1...Se2!
- threat
- 1.Qg4+?
- 1...Bxg4
- 2.Rf4#
- 1...Rxg4!
- 1...Bxg4
- 1.Qxh5?
- threat
- 2.Qf3#
- 2.Qxh4#
- 2.Qd5#
- 2.Qe5#
- 1...Rxe3
- 2.Qxh4#
- 2.Qd5#
- 2.Qe5#
- 1...Rxd4
- 2.Qf3#
- 2.Qxh4#
- 2.Qe5#
- 1...Rxh5
- 2.Rf4#
- 1...Bxe3
- 2.Qf3#
- 2.Qd5#
- 2.Qe5#
- 1...exd6
- 2.Qxh4#
- 2.Qd5#
- 1...Qd1
- 2.Qd5#
- 2.Qe5#
- 1...Qh1
- 2.Qd5#
- 2.Qe5#
- 1...Rh1
- 2.Rf4#
- 2.Qf3#
- 2.Qg4#
- 2.Qd5#
- 2.Qe5#
- 1...Rh2
- 2.Rf4#
- 2.Qf3#
- 2.Qg4#
- 2.Qd5#
- 2.Qe5#
- 1...Rh3
- 2.Rf4#
- 2.Qf3#
- 2.Qg4#
- 2.Qd5#
- 2.Qe5#
- 1...Rf4
- 2.Rxf4#
- 2.Qd5#
- 1...Rg4
- 2.Qxg4#
- 2.Qd5#
- 2.Qe5#
- 1...Se2
- 2.Bf5#
- 2.Qf3#
- 2.Qd5#
- 2.Qe5#
- 2.Qf5#
- 1...Sf5
- 2.Bxf5#
- 2.Qxf5#
- 1...Sxh5!
- threat
- 1.Sf1?
- Keys
- 1.Sg4!
- threat
- 2.Bd5#
- 1...Rxd4
- 2.Qf3#
- 1...exd6
- 2.Sf6#
- 1...Re3
- 2.Rf4#
- 1...Be3
- 2.Qf3#
- threat
- 1.Sg4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 12
- Sets
- R(g);N_GUARD::R1(J)
- R(g);N_GUARD::R1(J),XR(g)
- R(g);S_CUTB(i)::QAB1(A)
- B(i);N_GUARD::QAB1(A),XB(i)
- B(i);S_CUTR(g)::R1(J)
- B(i);N_GUARD,XS(H)::QAB1(A)
- S(d);N_GUARD::B(G)
- S(d);N_GUARD::B(G),XS(d)
- P(h);SBLOCK,XP(E)::B(G)
- Tries
- Try
- S(D);
- Threat
- B(G)
- Vars
- R(c);N_GUARD,XP(E)::S(D),XS(d)
- R(c);N_GUARD::S(D),XB(b)
- B(b);S_CUTR(c)::S(D),XS(d)
- Refutation
- P(k);XR(F)
- Try
- S(D);XP(e)
- Threat
- B(G)
- Vars
- P(k);XR(F)::S(D),XP(k)
- R(c);N_GUARD::S(D),XB(b)
- B(b);OGATE::QAB1(A),XR(c)
- Refutation
- R(c);XP(E)
- Try
- S(D);
- Threat
- B(G)
- Vars
- R(c);N_GUARD,XP(E)::S(D),XS(d)
- P(k);XR(F)::S(D),XP(k)
- Refutation
- B(i);XS(H)
- Try
- B(G);
- Threat
- DUALS(2)
- Vars
- Q(a);XQ(A)::R1(J)
- R(c);XS(D)::R1(J)
- R(g);XB(G)::QAB1(A)
- B(b);XS(D)::QAB1(A)
- B(i);XB(G)::R1(J)
- P(k);XR(F)::R1(J)
- P(k);::QAB1(A)
- Refutation
- S(d);
- Try
- Q(A);CHECK
- Vars
- B(i);XQ(A)::R1(J)
- Refutation
- R(g);XQ(A)
- Try
- Q(A);XB(i)
- Threat
- DUALS(4)
- Vars
- R(g);N_GUARD,XQ(A)::R1(J)
- Refutation
- S(d);XQ(A)
- Try
- Actual
- S(D);
- Threat
- B(G)
- Vars
- R(c);N_GUARD,XP(E)::QAB1(A)
- P(k);N_GUARD,XR(F)::S(D)
- R(c);S_CUTB(b)::R1(J)
- B(b);S_CUTR(c)::QAB1(A)
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).