MESON Chess Problem Database
Problem Display
PID: 261230 (1Q6/B3b2B/p2rPP2/1p1b1RP1/4kpnp/8/1N4Pq/K1R3N1 w - - 0 1)
Markovtsy, Vassyl Yuriovich
Murashev, Pavel Aleksandrovich
Sachove umeni (Ceskoslovensky sach), 2019
#2
12 + 10
SOLUTION
- SOUND
- Sets
- 1...Rc6
- 2.Rxf4#
- 2.Re5#
- 1...Rxe6
- 2.Rxf4#
- 2.Re5#
- 1...Rd7
- 2.Rxf4#
- 2.Re5#
- 1...Rd8
- 2.Rxf4#
- 2.Re5#
- 1...Ba2
- 2.Rxb5#
- 1...Bb3
- 2.Rxb5#
- 1...Bc4
- 2.Rxb5#
- 1...Bc6
- 2.Rxb5#
- 1...Bb7
- 2.Rxb5#
- 1...Ba8
- 2.Rxb5#
- 1...Sf2
- 2.Re1#
- 1...Se5
- 2.Re1#
- 1...Sxf6
- 2.Re1#
- 1...Sh6
- 2.Re1#
- 1...f3
- 2.gxf3#
- 1...Rc6
- Tries
- 1.Sf3?
- threat
- 2.Sd2#
- 2.Re5#
- 1...Bxe6
- 2.Re5#
- 1...Rb6
- 2.Re5#
- 1...Ba2
- 2.Rxb5#
- 2.Re5#
- 1...Bb3
- 2.Rxb5#
- 2.Re5#
- 1...Bc4
- 2.Rxb5#
- 2.Re5#
- 1...Bc6
- 2.Rxb5#
- 2.Re5#
- 1...Bb7
- 2.Rxb5#
- 2.Re5#
- 1...Ba8
- 2.Rxb5#
- 2.Re5#
- 1...Se5
- 2.Sd2#
- 2.Re1#
- 2.Rxe5#
- 1...Qxg2!
- threat
- 1.Sd3?
- threat
- 2.Rxf4#
- 2.Re5#
- 1...Bxf6+
- 2.Re5#
- 2.Rxf6#
- 1...Kxd3
- 2.Rxd5#
- 1...Bxe6
- 2.Re5#
- 1...Ba2
- 2.Rxb5#
- 2.Re5#
- 1...Bb3
- 2.Rxb5#
- 2.Re5#
- 1...Bc4
- 2.Rxb5#
- 2.Re5#
- 1...Bc6
- 2.Rxb5#
- 2.Re5#
- 1...Bb7
- 2.Rxb5#
- 2.Re5#
- 1...Ba8
- 2.Rxb5#
- 2.Re5#
- 1...Se5
- 2.Sf2#
- 2.Rxf4#
- 2.Rxe5#
- 1...f3
- 2.Rxf3#
- 2.Rf4#
- 2.Re5#
- 1...Rb6!
- threat
- 1.Rd1?
- threat
- 2.Rfxd5#
- 1...Sxf6
- 2.Re1#
- 1...Rb6
- 2.Re5#
- 1...Ba2
- 2.Rxb5#
- 2.Rfd5#
- 1...Bb3
- 2.Rxb5#
- 2.Rfd5#
- 1...Bc4
- 2.Rxb5#
- 2.Rfd5#
- 1...Bc6
- 2.Rxb5#
- 2.Rfd5#
- 1...Bb7
- 2.Rxb5#
- 2.Rfd5#
- 1...Ba8
- 2.Rxb5#
- 2.Rfd5#
- 1...Se3
- 2.Rd4#
- 1...Se5
- 2.Re1#
- 1...Sh6
- 2.Re1#
- 1...f3
- 2.gxf3#
- 1...Bxe6!
- threat
- 1.Rc4+?
- 1...Bxc4
- 2.Rxb5#
- 1...bxc4!
- 1...Bxc4
- 1.Qxd6?
- threat
- 2.Rxf4#
- 2.Rxd5#
- 2.Re5#
- 2.Qxd5#
- 1...Bxe6
- 2.Rxf4#
- 2.Re5#
- 2.Qd3#
- 2.Qd4#
- 1...Sxf6
- 2.Re1#
- 2.Rxf4#
- 2.Re5#
- 2.Rxf6#
- 2.Qe5#
- 1...Ba2
- 2.Rxf4#
- 2.Rxb5#
- 2.Rd5#
- 2.Re5#
- 2.Qd3#
- 2.Qd4#
- 1...Bb3
- 2.Rxf4#
- 2.Rxb5#
- 2.Rd5#
- 2.Re5#
- 2.Qd3#
- 2.Qd4#
- 1...Bc4
- 2.Rxf4#
- 2.Rxb5#
- 2.Rd5#
- 2.Re5#
- 2.Qd4#
- 1...Bc6
- 2.Rxf4#
- 2.Rxb5#
- 2.Rd5#
- 2.Re5#
- 2.Qd3#
- 2.Qd4#
- 2.Qxc6#
- 1...Bb7
- 2.Rxf4#
- 2.Rxb5#
- 2.Rd5#
- 2.Re5#
- 2.Qd3#
- 2.Qd4#
- 1...Ba8
- 2.Rxf4#
- 2.Rxb5#
- 2.Rd5#
- 2.Re5#
- 2.Qd3#
- 2.Qd4#
- 1...Se3
- 2.Rxf4#
- 2.Re5#
- 2.Qe5#
- 1...Se5
- 2.Re1#
- 2.Rxe5#
- 2.Qxe5#
- 1...Sh6
- 2.Re1#
- 2.Rxf4#
- 2.Re5#
- 2.Qe5#
- 2.Qxd5#
- 1...f3
- 2.Rxf3#
- 2.Rf4#
- 2.Rxd5#
- 2.Qxd5#
- 2.gxf3#
- 1...Bxd6!
- threat
- 1.Qxb5?
- threat
- 2.Rxd5#
- 2.Qd3#
- 1...Bxe6
- 2.Re5#
- 1...Sxf6
- 2.Re1#
- 2.Qe2#
- 2.Qd3#
- 1...Rb6
- 2.Qd3#
- 1...Qg3
- 2.Rxd5#
- 1...Qh3
- 2.Rxd5#
- 1...Ba2
- 2.Rd5#
- 2.Re5#
- 1...Bb3
- 2.Rd5#
- 2.Re5#
- 1...Bc4
- 2.Rd5#
- 2.Re5#
- 1...Bc6
- 2.Rd5#
- 2.Re5#
- 1...Bb7
- 2.Rd5#
- 2.Re5#
- 1...Ba8
- 2.Rd5#
- 2.Re5#
- 1...Sf2
- 2.Re1#
- 2.Rxd5#
- 2.Qe2#
- 1...Se3
- 2.Qd3#
- 1...Se5
- 2.Re1#
- 2.Qe2#
- 1...Sh6
- 2.Re1#
- 2.Qe2#
- 2.Qd3#
- 1...f3
- 2.Qd3#
- 2.gxf3#
- 1...axb5!
- threat
- 1.Sf3?
- Keys
- 1.Sc4!
- threat
- 2.Re5#
- 1...Kd3
- 2.Rxd5#
- 1...Bxc4
- 2.Rxb5#
- 1...bxc4
- 2.Qb1#
- 1...Rb6
- 2.Rxf4#
- 1...Se5
- 2.Rxe5#
- 1...f3
- 2.Rxf3#
- threat
- 1.Sc4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 3
- REMOVED MATES = 8
- Sets
- B(g);OGATE::B(K)+R(F),XP(f)
- S(d);N_GUARD::R(B)
- S(d);N_GUARD,XP(I)::R(B)
- P(c);OGATE::P(E),XP(c)
- Tries
- Try
- S(C);
- Threat
- DUALS(2)
- Vars
- B(g);XP(H)::B(K)+R(F),DCHECK
- R(i);::B(K)+R(F),DCHECK
- Refutation
- Q(a);XP(E)
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- K(b);N_GUARD,S_FLIGHT,XS(D)::B(K)+R(F),DCHECK,XB(g)
- B(g);XP(H)::B(K)+R(F),DCHECK
- Refutation
- R(i);
- Try
- R(B);
- Threat
- B(K)+R(F),XB(g)
- Vars
- S(d);N_GUARD,XP(I)::R(B)
- R(i);::B(K)+R(F),DCHECK
- S(d);SBLOCK::R1(B)
- S(d);N_GUARD::R(B)
- P(c);OGATE::P(E),XP(c)
- Refutation
- B(g);XP(H)
- Try
- R(B);CHECK
- Vars
- B(g);OGATE,XR(B)::B(K)+R(F),XP(f)
- Refutation
- P(f);XR(B)
- Try
- Q(L);XR(i)
- Threat
- DUALS(4)
- Refutation
- B(j);XQ(L)
- Try
- Q(L);XP(f)
- Threat
- DUALS(2)
- Vars
- B(g);XP(H)::B(K)+R(F),DCHECK
- R(i);::QAB1(L)
- Q(a);::B(K)+R(F),XB(g)
- S(d);::QAB1(L)
- Refutation
- P(h);XQ(L)
- Try
- Actual
- S(D);
- Threat
- B(K)+R(F),DCHECK
- Vars
- K(b);N_GUARD,S_FLIGHT::B(K)+R(F),DCHECK,XB(g)
- B(g);OGATE,XS(D)::B(K)+R(F),XP(f)
- P(f);OGATE,XS(D)::QAB(L)
- R(i);::B(K)+R(F),DCHECK,XP(c)
- S(d);::B(K)+R(F),DCHECK,XS(d)
- P(c);OGATE::B(K)+R(F),XP(c)
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).