MESON Chess Problem Database
Problem Display
PID: 61924 (8/K1RBpp2/b4Pp1/2BNk1p1/6P1/2P2Q2/4rN2/7r w - - 0 1)
Markovsky, Grigory F
1st Prize, Komsomolskoe znamya, 1981
#2
10 + 8
SOLUTION
- SOUND
- Sets
- 1...Ra2
- 2.Qe4#
- 1...Rb2
- 2.Qe4#
- 1...Rc2
- 2.Qe4#
- 1...Rd2
- 2.Qe4#
- 1...Re4
- 2.Qxe4#
- 1...Bd3
- 2.Sxd3#
- 1...Bb7
- 2.Sd3#
- 1...Bc8
- 2.Sd3#
- 1...Ra2
- Tries
- 1.Bb5?
- threat
- 2.Rxe7#
- 1...Ke6
- 2.Rxe7#
- 1...exf6
- 2.Re7#
- 1...Re4
- 2.Qxe4#
- 1...e6
- 2.Sd3#
- 1...Bc8!
- threat
- 1.Bf5?
- threat
- 2.Rxe7#
- 1...exf6
- 2.Re7#
- 1...Re4
- 2.Qxe4#
- 1...Bc8
- 2.Sd3#
- 1...e6!
- threat
- 1.Rc6?
- threat
- 2.Bd4#
- 1...Re4
- 2.Qxe4#
- 1...Rd2
- 2.Qe4#
- 1...Rd1!
- threat
- 1.Qxe2+?
- 1...Kxd5
- 2.Qe4#
- 1...Bxe2!
- 1...Kxd5
- 1.Qe3+?
- 1...Kxd5
- 2.Qd4#
- 1...Rxe3!
- 1...Kxd5
- 1.Qf4+?
- 1...Kxd5
- 2.Qd4#
- 1...gxf4!
- 1...Kxd5
- 1.c4?
- threat
- 2.Sd3#
- 2.Qxe2#
- 2.Qc3#
- 2.Qg3#
- 1...Rxf2
- 2.Qe3#
- 1...Rc1
- 2.Sd3#
- 2.Qxe2#
- 2.Qg3#
- 1...Rd1
- 2.Qxe2#
- 2.Qg3#
- 1...Rhe1
- 2.Sd3#
- 2.Qc3#
- 2.Qg3#
- 1...Rg1
- 2.Sd3#
- 2.Qxe2#
- 2.Qc3#
- 1...Rh3
- 2.Sd3#
- 1...Ree1
- 2.Sd3#
- 2.Qc3#
- 2.Qg3#
- 1...Ra2
- 2.Sd3#
- 2.Qe4#
- 2.Qc3#
- 2.Qe3#
- 2.Qg3#
- 1...Rb2
- 2.Sd3#
- 2.Qe4#
- 2.Qc3#
- 2.Qe3#
- 2.Qg3#
- 1...Rc2
- 2.Sd3#
- 2.Qe4#
- 2.Qe3#
- 2.Qg3#
- 1...Rd2
- 2.Qe4#
- 2.Qe3#
- 2.Qg3#
- 1...Re3
- 2.Qxe3#
- 1...Re4
- 2.Sd3#
- 2.Qxe4#
- 1...Bxc4!
- threat
- 1.fxe7?
- threat
- 2.e8Q#
- 2.e8R#
- 1...Rxf2
- 2.e8Q#
- 2.e8R#
- 1...Re4
- 2.Qxe4#
- 1...Ra1
- 2.e8Q#
- 2.e8R#
- 1...Rb1
- 2.e8Q#
- 2.e8R#
- 1...Rc1
- 2.e8Q#
- 2.e8R#
- 1...Rd1
- 2.e8Q#
- 2.e8R#
- 1...Rhe1
- 2.e8Q#
- 2.e8R#
- 1...Rf1
- 2.e8Q#
- 2.e8R#
- 1...Rg1
- 2.e8Q#
- 2.e8R#
- 1...Rh2
- 2.e8Q#
- 2.e8R#
- 1...Rh3
- 2.e8Q#
- 2.e8R#
- 1...Rh4
- 2.e8Q#
- 2.e8R#
- 1...Rh5
- 2.e8Q#
- 2.e8R#
- 1...Rh6
- 2.e8Q#
- 2.e8R#
- 1...Rh7
- 2.e8Q#
- 2.e8R#
- 1...Ree1
- 2.e8Q#
- 2.e8R#
- 1...Ra2
- 2.Qe4#
- 2.e8Q#
- 2.e8R#
- 1...Rb2
- 2.Qe4#
- 2.e8Q#
- 2.e8R#
- 1...Rc2
- 2.Qe4#
- 2.e8Q#
- 2.e8R#
- 1...Rd2
- 2.Qe4#
- 2.e8Q#
- 2.e8R#
- 1...Re3
- 2.e8Q#
- 2.e8R#
- 1...Bd3
- 2.Sxd3#
- 2.e8Q#
- 2.e8R#
- 1...Bc4
- 2.e8Q#
- 2.e8R#
- 1...Bb5
- 2.e8Q#
- 2.e8R#
- 1...Bb7
- 2.Sd3#
- 2.e8Q#
- 2.e8R#
- 1...Bc8
- 2.Sd3#
- 2.e8Q#
- 2.e8R#
- 1...f5
- 2.e8Q#
- 2.e8R#
- 1...f6
- 2.e8Q#
- 2.e8R#
- 1...Rh8!
- threat
- 1.Bb5?
- Keys
- 1.Bc6!
- threat
- 2.Rxe7#
- 1...Ke6
- 2.Rxe7#
- 1...exf6
- 2.Re7#
- 2.Qxf6#
- 1...Bc8
- 2.Qxe2#
- 1...e6
- 2.Qg3#
- threat
- 1.Bc6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 7
- Sets
- R(b);N_GUARD::QAR1(C)
- R(b);N_GUARD::QAR1(C),XR(b)
- B(e);N_GUARD::S(A),XB(e)
- B(e);N_GUARD::S(A)
- Tries
- Try
- B(J);
- Threat
- R(I),XP(g)
- Vars
- K(c);P-FLIGHT::R1(I),XP(g)
- P(g);XP(G)::R(I)
- R(b);N_GUARD::QAR1(C),XR(b)
- P(g);SBLOCK::S(A)
- Refutation
- B(e);
- Try
- B(J);
- Threat
- R(I),XP(g)
- Vars
- P(g);XP(G)::R(I)
- R(b);N_GUARD::QAR1(C),XR(b)
- B(e);N_GUARD::S(A)
- Refutation
- P(g);
- Try
- R(I);
- Threat
- B(E)
- Vars
- R(b);N_GUARD::QAR1(C),XR(b)
- R(b);N_GUARD::QAR1(C)
- Refutation
- R(a);
- Try
- Q(C);CHECK,XR(b)
- Vars
- K(c);P-FLIGHT,XS(F)::QAB1(C)
- Refutation
- B(e);XQ(C)
- Try
- Q(C);CHECK
- Vars
- K(c);P-FLIGHT,XS(F)::QAR1(C)
- Refutation
- R(b);XQ(C)
- Try
- Q(C);CHECK
- Vars
- K(c);P-FLIGHT,XS(F)::QAR1(C)
- Refutation
- P(d);XQ(C)
- Try
- P(B);
- Threat
- DUALS(4)
- Vars
- R(b);N_GUARD,XS(A)::QAR2(C)
- R(a);::S(A)
- R(b);N_GUARD::QAR2(C),XR(b)
- Refutation
- B(e);XP(B)
- Try
- P(G);XP(g)
- Threat
- P=Q
- Vars
- R(b);XS(A)::P=Q
- R(b);N_GUARD::QAR1(C),XR(b)
- R(a);::P=Q
- R(b);::P=Q
- B(e);::P=Q
- P(h);::P=Q
- Refutation
- R(a);
- Try
- Actual
- B(J);
- Threat
- R(I),XP(g)
- Vars
- K(c);P-FLIGHT::R1(I),XP(g)
- B(e);N_GUARD::QAR(C),XR(b)
- P(g);SBLOCK::QAB(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).