MESON Chess Problem Database
Problem Display
PID: 122398 (1n2N3/4pK2/1rp3Pp/BRp1kN2/2P3Q1/b3rPp1/2bR1p2/6q1 w - - 0 1)
Bantysh, Nikolai Ivanovich
Belchikov, Nikolai Ivanovich
Khramtsevich, Mikhail Nikolaevich
Tikhankov, Vladimir Nikolaevich
22nd Place, 07. WCCT, 2001-2004
#2
10 + 13
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Re1
- 2.Bc3#
- 1...Re2
- 2.Bc3#
- 1...Rc3
- 2.Bxc3#
- 1...Rd3
- 2.Qe4#
- 1...Rxb5
- 2.Bc7#
- 1...Ra6
- 2.Bc7#
- 1...Bd3
- 2.Bc3#
- 1...Be4
- 2.f4#
- 1...Bxf5
- 2.Qd4#
- 1...Bc1
- 2.Rxc5#
- 1...Bb2
- 2.Rxc5#
- 1...cxb5
- 2.Rd5#
- 1...Re1
- Tries
- 1.Sxe3?
- threat
- 2.Bc3#
- 2.Qd4#
- 1...Rxb5
- 2.Bc3#
- 2.Bc7#
- 1...cxb5
- 2.Bc3#
- 2.Rd5#
- 1...Qa1
- 2.Qxg3#
- 1...Bd3
- 2.Bc3#
- 1...Be4
- 2.Bc3#
- 2.Qxe4#
- 2.f4#
- 1...Bb2
- 2.Rxc5#
- 1...Bb4
- 2.Qd4#
- 1...Bxg6+!
- threat
- 1.Sxe7?
- threat
- 2.Qd4#
- 1...Bxg6+
- 2.Sxg6#
- 1...Rxb5
- 2.Bc7#
- 1...cxb5
- 2.Rd5#
- 1...Qa1
- 2.Qxg3#
- 1...Rd3
- 2.Qe4#
- 1...Re4
- 2.Qf5#
- 1...Bd3
- 2.Bc3#
- 1...Be4
- 2.f4#
- 1...Bb2
- 2.Rxc5#
- 1...Rxf3+!
- threat
- 1.Seg7?
- threat
- 2.Qd4#
- 1...Rxb5
- 2.Bc7#
- 1...cxb5
- 2.Rd5#
- 1...Qa1
- 2.Qxg3#
- 1...Rd3
- 2.Qe4#
- 1...Be4
- 2.f4#
- 1...Bb2
- 2.Rxc5#
- 1...Re4!
- threat
- 1.Bxb6?
- threat
- 2.Bc7#
- 1...Rd3
- 2.Qe4#
- 1...Sa6!
- threat
- 1.Rd6?
- threat
- 2.Re6#
- 1...Bxf5
- 2.Qd4#
- 1...cxb5
- 2.Rd5#
- 1...e6
- 2.Rxe6#
- 1...exd6!
- threat
- 1.Qxg3+?
- 1...Kxf5
- 2.Sg7#
- 1...Qxg3!
- 1...Kxf5
- 1.Sxe3?
- Keys
- 1.Sh4!
- threat
- 2.Qd4#
- 1...Rxf3+
- 2.Sxf3#
- 1...Bxg6+
- 2.Sxg6#
- 1...Rxb5
- 2.Bc7#
- 1...cxb5
- 2.Rd5#
- 1...Qa1
- 2.Qxg3#
- 1...Rd3
- 2.Qe4#
- 1...Re4
- 2.Qf5#
- 1...Bd3
- 2.Bc3#
- 1...Be4
- 2.f4#
- 1...Bb2
- 2.Rxc5#
- threat
- 1.Sh4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 6
- Sets
- R(e);N_GUARD::B(E)
- R(e);N_GUARD::B(E),XR(e)
- R(e);N_GUARD,S_CUTB(b)::QAR1(D)
- R(i);N_SPINP(g),OGATE,XR(F)::B(E)
- R(i);OGATE::B(E)
- B(b);S_CUTR(e)::B(E)
- B(b);SBLOCK::P(B)
- B(b);SBLOCK,XS(G)::QAB1(D)
- B(d);N_GUARD::R(F),XP(g)
- P(j);N_GUARD,N_SPINP(g),XR(F)::R1(A)
- Tries
- Try
- S(G);XR(e)
- Threat
- DUALS(2)
- Vars
- Q(a);N_GUARD::QAB(D),XP(f)
- B(b);::B(E)
- B(d);N_GUARD::R(F),XP(g)
- B(d);::QAB1(D)
- Refutation
- B(b);CHECK,XP(H)
- Try
- S(G);XP(l)
- Threat
- QAB1(D)
- Vars
- B(b);CHECK,XP(H)::S(G),XB(b)
- R(i);N_SPINP(g),OGATE,XR(F)::B(E)
- P(j);N_GUARD,N_SPINP(g),XR(F)::R1(A)
- Q(a);N_GUARD::QAB(D),XP(f)
- R(e);N_GUARD,S_CUTB(b)::QAR1(D)
- R(e);S_CUTB(b)::QAR1(D)
- B(b);S_CUTR(e)::B(E)
- B(b);SBLOCK::P(B)
- B(d);N_GUARD::R(F),XP(g)
- Refutation
- R(e);CHECK,XP(B)
- Try
- S(J);
- Threat
- QAB1(D)
- Vars
- R(i);N_SPINP(g),OGATE,XR(F)::B(E)
- P(j);N_GUARD,N_SPINP(g),XR(F)::R1(A)
- Q(a);N_GUARD::QAB(D),XP(f)
- R(e);N_GUARD,S_CUTB(b)::QAR1(D)
- B(b);SBLOCK::P(B)
- B(d);N_GUARD::R(F),XP(g)
- Refutation
- R(e);
- Try
- B(E);XR(i)
- Threat
- B(E)
- Vars
- R(e);N_GUARD,S_CUTB(b)::QAR1(D)
- Refutation
- S(m);
- Try
- R(A);
- Threat
- R1(A)
- Vars
- B(b);SBLOCK,XS(G)::QAB1(D)
- P(j);N_GUARD,N_SPINP(g),XR(F)::R1(A)
- P(l);::R1(A),XP(l)
- Refutation
- P(l);XR(A)
- Try
- Q(D);CHECK,XP(f)
- Vars
- K(h);P-FLIGHT,XS(G)::S(J)
- Refutation
- Q(a);XQ(D)
- Try
- Actual
- S(G);
- Threat
- QAB1(D)
- Vars
- R(e);CHECK,XP(B)::S(G),XR(e)
- B(b);CHECK,XP(H)::S(G),XB(b)
- R(i);N_SPINP(g),OGATE,XR(F)::B(E)
- P(j);N_GUARD,N_SPINP(g),XR(F)::R1(A)
- Q(a);N_GUARD::QAB(D),XP(f)
- R(e);N_GUARD,S_CUTB(b)::QAR1(D)
- R(e);S_CUTB(b)::QAR1(D)
- B(b);S_CUTR(e)::B(E)
- B(b);SBLOCK::P(B)
- B(d);N_GUARD::R(F),XP(g)
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).