MESON Chess Problem Database
Problem Display
PID: 184025 (4b3/1P2p3/q1p1p3/2N1k1Kp/n1n3p1/Q2R3r/1pNP2B1/7r w - - 0 1)
Vasilenko, Anatoly Grigorovich
Die Schwalbe, 2018
#2
8 + 13
SOLUTION
- SOUND
- Sets
- 1...Rxd3
- 2.Sxd3#
- 1...Bg6
- 2.Sd7#
- 1...Bd7
- 2.Sxd7#
- 1...Bf7
- 2.Sd7#
- 1...Sc3
- 2.Qxc3#
- 1...Sxc5
- 2.Qxc5#
- 2.Qc3#
- 1...Sab6
- 2.Qc3#
- 1...Sxd2
- 2.b8Q#
- 2.b8B#
- 1...Sxa3
- 2.b8Q#
- 2.b8B#
- 1...Se3
- 2.b8Q#
- 2.b8B#
- 1...Sa5
- 2.b8Q#
- 2.b8B#
- 1...Scb6
- 2.b8Q#
- 2.b8B#
- 1...Rxd3
- Tries
- 1.Re3+?
- 1...Kd6
- 2.b8Q#
- 2.b8B#
- 1...Sxe3
- 2.b8Q#
- 2.b8B#
- 1...Rxe3!
- 1...Kd6
- 1.Rxh3?
- threat
- 2.Sd3#
- 2.Qg3#
- 1...Kd6
- 2.b8Q#
- 2.b8B#
- 1...Sxc5
- 2.Qxc5#
- 2.Qg3#
- 1...Sxd2
- 2.Qg3#
- 2.b8Q#
- 2.b8B#
- 1...Sxa3
- 2.b8Q#
- 2.b8B#
- 1...Rf1
- 2.Sd3#
- 1...Bg6
- 2.Sd7#
- 2.Qg3#
- 1...Sc3
- 2.Sd3#
- 1...Se3
- 2.b8Q#
- 2.b8B#
- 1...Sa5
- 2.Qg3#
- 2.b8Q#
- 2.b8B#
- 1...Scb6
- 2.Qg3#
- 2.b8Q#
- 2.b8B#
- 1...Sd6
- 2.Qg3#
- 2.d4#
- 1...g3
- 2.Sd3#
- 2.Qxg3#
- 1...h4
- 2.Sd3#
- 1...Rxh3!
- threat
- 1.Rd6?
- threat
- 2.Rxe6#
- 1...Kxd6
- 2.b8Q#
- 2.b8B#
- 1...Sxc5
- 2.Qxc5#
- 1...Sxd6
- 2.d4#
- 1...exd6
- 2.d4#
- 1...Bd7
- 2.Sxd7#
- 1...Bf7
- 2.Sd7#
- 1...Rf3!
- threat
- 1.Rd7?
- threat
- 2.d4#
- 1...Bxd7
- 2.Sxd7#
- 1...Sxd2
- 2.b8Q#
- 2.b8B#
- 1...Rd3
- 2.Sxd3#
- 1...Rd1!
- threat
- 1.Rd8?
- threat
- 2.d4#
- 1...Sxd2
- 2.b8Q#
- 2.b8B#
- 1...Bd7
- 2.Sxd7#
- 1...Rd3
- 2.Sxd3#
- 1...Rd1!
- threat
- 1.Qxb2+?
- 1...Sc3
- 2.Qxc3#
- 1...Scxb2
- 2.b8Q#
- 2.b8B#
- 1...Saxb2!
- 1...Sc3
- 1.Re3+?
- Keys
- 1.Rg3!
- threat
- 2.Sd3#
- 1...Kd6
- 2.b8Q#
- 2.b8B#
- 1...Rxg3
- 2.Qxg3#
- 1...Sxc5
- 2.Qxc5#
- 1...Sxd2
- 2.b8Q#
- 2.b8B#
- 1...Sxa3
- 2.b8Q#
- 2.b8B#
- 1...Bg6
- 2.Sd7#
- 1...Se3
- 2.b8Q#
- 2.b8B#
- 1...Sa5
- 2.b8Q#
- 2.b8B#
- 1...Scb6
- 2.b8Q#
- 2.b8B#
- 1...Sd6
- 2.d4#
- threat
- 1.Rg3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 5
- Sets
- R(c);XR(E)::S(F),XR(c)
- B(m);N_GUARD::S(F)
- B(m);N_GUARD::S(F),XB(m)
- S(d);N_GUARD::QAB(D),XS(d)
- S(d);N_GUARD::QAB(D)
- S(e);N_GUARD,XP(B)::P=Q
- S(e);N_GUARD,XQ(D)::P=Q
- S(e);N_GUARD::P=Q
- Tries
- Try
- R(E);CHECK
- Vars
- K(g);S_FLIGHT::P=Q
- S(e);XR(E)::P=Q
- Refutation
- R(c);XR(E)
- Try
- R(E);XR(c)
- Threat
- DUALS(2)
- Vars
- K(g);S_FLIGHT::P=Q
- S(e);N_GUARD,XQ(D)::P=Q
- R(a);::S(F)
- S(d);::S(F)
- S(e);N_GUARD::P=Q
- P(h);::S(F)
- Refutation
- R(a);XR(E)
- Try
- R(E);
- Threat
- R1(E),XP(k)
- Vars
- K(g);S_FLIGHT,XR(E)::P=Q
- S(d);OGATE,XS(F)::QAR2(D),XS(d)
- S(e);SBLOCK,XR(E)::P(B)
- P(l);SBLOCK,XR(E)::P(B)
- B(m);N_GUARD::S(F),XB(m)
- B(m);N_GUARD::S(F)
- Refutation
- R(c);
- Try
- R(E);
- Threat
- P(B)
- Vars
- B(m);XR(E)::S(F),XB(m)
- S(e);N_GUARD,XP(B)::P=Q
- R(c);N_GUARD::S(F),XR(c)
- Refutation
- R(a);
- Try
- R(E);
- Threat
- P(B)
- Vars
- S(e);N_GUARD,XP(B)::P=Q
- B(m);N_GUARD::S(F),XB(m)
- R(c);N_GUARD::S(F),XR(c)
- Refutation
- R(a);
- Try
- Q(D);CHECK,XP(b)
- Vars
- S(d);N_GUARD,P_SPINS(d)::QAB(D),XS(d)
- S(e);XQ(D)::P=Q
- Refutation
- S(d);XQ(D)
- Try
- Actual
- R(E);
- Threat
- S(F)
- Vars
- K(g);S_FLIGHT::P=Q
- R(c);OGATE,XR(E)::QAB(D),XR(c)
- S(d);OGATE,XS(F)::QAR2(D),XS(d)
- S(e);N_GUARD,XP(B)::P=Q
- S(e);N_GUARD,XQ(D)::P=Q
- B(m);N_GUARD::S(F)
- S(e);N_GUARD::P=Q
- S(e);SBLOCK::P(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).