MESON Chess Problem Database
Problem Display
PID: 103891 (1RK1N3/3N4/2pP3r/p1B5/P1k1b2r/P1P5/1P2n3/3Q3B w - - 0 1)
Bogdanov, Evgeny Mikhailovich
Hlas l'udu, 1988
#2
12 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rxd6
- 2.Sxd6#
- 1...Bd3
- 2.Qb3#
- 1...Bd5
- 2.Qxe2#
- 1...Sc1
- 2.Qd4#
- 1...Sg1
- 2.Qd4#
- 1...Sxc3
- 2.Qd4#
- 2.b3#
- 1...Sg3
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Sf4
- 2.Qd4#
- 1...Rxd6
- Tries
- 1.Bxe4?
- threat
- 2.Qxe2#
- 2.Qb3#
- 2.Qd3#
- 1...Rxd6
- 2.Sxd6#
- 2.Qb3#
- 1...Sxc3
- 2.Qb3#
- 2.Qd3#
- 2.Qd4#
- 2.b3#
- 1...Rh2
- 2.Qb3#
- 2.Qd3#
- 1...Rh3
- 2.Qb3#
- 1...Sc1
- 2.Qd4#
- 1...Sg1
- 2.Qb3#
- 2.Qd3#
- 2.Qd4#
- 1...Sg3
- 2.Qb3#
- 2.Qd3#
- 2.Qd4#
- 1...Sd4
- 2.Qd3#
- 2.Qxd4#
- 1...Sf4
- 2.Qb3#
- 2.Qd4#
- 1...Rxe4!
- threat
- 1.Bg1?
- threat
- 2.Se5#
- 2.Sb6#
- 1...Sxg1
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...R4h5
- 2.Sb6#
- 1...R6h5
- 2.Sb6#
- 1...Re6
- 2.Sb6#
- 1...Bc2
- 2.Se5#
- 1...Bf5!
- threat
- 1.Bf2?
- threat
- 2.Se5#
- 2.Sb6#
- 1...Sd4
- 2.Qxd4#
- 1...R4h5
- 2.Sb6#
- 1...R6h5
- 2.Sb6#
- 1...Re6
- 2.Sb6#
- 1...Bc2
- 2.Se5#
- 1...Bf5!
- threat
- 1.Be3?
- threat
- 2.Se5#
- 2.Sb6#
- 1...Sd4
- 2.Qxd4#
- 1...R4h5
- 2.Sb6#
- 1...R6h5
- 2.Sb6#
- 1...Re6
- 2.Sb6#
- 1...Bc2
- 2.Se5#
- 1...Bf5!
- threat
- 1.Bb4?
- threat
- 2.Se5#
- 2.Sb6#
- 2.b3#
- 1...axb4
- 2.Rxb4#
- 1...Sd4
- 2.Sb6#
- 1...Bf5
- 2.b3#
- 1...R4h5
- 2.Sb6#
- 2.b3#
- 1...R6h5
- 2.Sb6#
- 2.b3#
- 1...Re6
- 2.Sb6#
- 2.b3#
- 1...Sc1
- 2.Se5#
- 2.Sb6#
- 1...Bc2!
- threat
- 1.Qxe2+?
- 1...Kd5
- 2.Sc7#
- 1...Bd3!
- 1...Kd5
- 1.Qd2?
- threat
- 2.b3#
- 1...Sd4
- 2.Qxd4#
- 1...Sc1
- 2.Qd4#
- 1...Bc2!
- threat
- 1.Bxe4?
- Keys
- 1.Bd4!
- threat
- 2.Sb6#
- 1...Kd5
- 2.Qb3#
- 1...Sxd4
- 2.Qxd4#
- 1...Bf5
- 2.b3#
- 1...Bc2
- 2.Se5#
- threat
- 1.Bd4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 7
- Sets
- R(g);XP(H)::S(L),XR(g)
- B(c);SBLOCK::QAB1(A)
- B(c);N_GUARD::QAB(A),XS(a)
- S(a);N_GUARD::QAR1(A)
- S(a);N_GUARD::QAR1(A),XS(a)
- Tries
- Try
- B(B);XB(c)
- Threat
- DUALS(3)
- Vars
- R(d);::QAB1(A)
- S(a);N_GUARD::QAR1(A)
- Refutation
- R(d);XB(B)
- Try
- B(G);
- Threat
- DUALS(2)
- Vars
- S(a);N_GUARD,XB(G)::QAR1(A)
- S(a);N_GUARD::QAR1(A),XS(a)
- R(d);::S(I)
- R(g);::S(I)
- B(c);::S(I)
- Refutation
- B(c);P_PINS(I)
- Try
- B(G);
- Threat
- DUALS(2)
- Vars
- S(a);N_GUARD::QAR1(A),XS(a)
- R(d);::S(I)
- R(g);::S(I)
- B(c);::S(I)
- Refutation
- B(c);P_PINS(I)
- Try
- B(G);
- Threat
- DUALS(2)
- Vars
- S(a);N_GUARD::QAR1(A),XS(a)
- R(d);::S(I)
- R(g);::S(I)
- B(c);::S(I)
- Refutation
- B(c);P_PINS(I)
- Try
- B(G);
- Threat
- DUALS(3)
- Vars
- P(e);OGATE,XB(G)::R1(J),XP(e)
- S(a);::S(I)
- B(c);P_PINS(I)::P(C)
- Refutation
- B(c);
- Try
- Q(A);CHECK,XS(a)
- Vars
- K(b);P_SPINB(c),S_FLIGHT::S(L)
- Refutation
- B(c);P_SPINB(c)
- Try
- Q(A);
- Threat
- P(C)
- Vars
- S(a);N_GUARD::QAR1(A),XS(a)
- S(a);N_GUARD::QAR1(A)
- Refutation
- B(c);
- Try
- Actual
- B(G);
- Threat
- S(I)
- Vars
- K(b);P_SPINB(c),S_FLIGHT::QAB(A)
- S(a);OGATE,XB(G)::QAR1(A),XS(a)
- B(c);P_PINS(I)::P(C)
- B(c);::S(I)
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).