MESON Chess Problem Database
Problem Display
PID: 96691 (3Nbr2/2K1P3/2p2r2/3pk1P1/R3N1Q1/B1R2P2/6n1/8 w - - 0 1)
Satanovsky, Mikhail S
US Problem Bulletin, 1990
#2
10 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rxf3
- 2.Bd6#
- 1...Rf4
- 2.Bd6#
- 2.Qe6#
- 1...Rf5
- 2.Bd6#
- 1...Rd6
- 2.Bxd6#
- 1...R6f7
- 2.Bd6#
- 1...dxe4
- 2.Rc5#
- 2.Qxe4#
- 1...d4
- 2.Rc5#
- 1...Rxf3
- Tries
- 1.Sf2?
- threat
- 2.Sd3#
- 1...Rxf3
- 2.Bd6#
- 2.Qe6#
- 1...d4
- 2.Rc5#
- 2.Qe4#
- 1...Se1
- 2.Re3#
- 1...Sf4
- 2.Re3#
- 1...Bg6!
- threat
- 1.Sg3?
- threat
- 2.Qd4#
- 1...d4
- 2.Rc5#
- 2.Qxd4#
- 2.Qe4#
- 1...Rf4
- 2.Bd6#
- 2.Qe6#
- 1...Sf4
- 2.Re3#
- 1...c5!
- threat
- 1.Sd6?
- threat
- 2.Qd4#
- 1...Rxd6
- 2.Bxd6#
- 1...d4
- 2.Rc5#
- 2.Qxd4#
- 2.Qe4#
- 1...Rf4
- 2.Qe6#
- 1...Sf4
- 2.Re3#
- 1...c5!
- threat
- 1.Sxf6?
- threat
- 2.Bd6#
- 2.Qe6#
- 1...Bd7
- 2.Sxd7#
- 2.Bd6#
- 1...Bf7
- 2.Sd7#
- 2.Sxc6#
- 2.Bd6#
- 1...Sf4
- 2.Bd6#
- 2.Re3#
- 2.Qxf4#
- 1...d4
- 2.Bd6#
- 2.Rc5#
- 2.Qe4#
- 1...c5
- 2.Qe6#
- 1...Rxf6!
- threat
- 1.Bb2?
- threat
- 2.Rc5#
- 1...c5
- 2.Rxc5#
- 1...Rxf3!
- threat
- 1.Bc5?
- threat
- 2.Bd4#
- 1...dxe4
- 2.Qxe4#
- 1...d4!
- threat
- 1.Qf5+?
- 1...Rxf5
- 2.Bd6#
- 1...Kxf5!
- 1...Rxf5
- 1.Qe6+?
- 1...Kf4
- 2.Bd6#
- 1...Rxe6!
- 1...Kf4
- 1.f4+?
- 1...Rxf4
- 2.Bd6#
- 2.Qe6#
- 1...Sxf4!
- 1...Rxf4
- 1.gxf6?
- threat
- 2.Bd6#
- 2.Qg5#
- 1...dxe4
- 2.Qg5#
- 1...d4
- 2.Rc5#
- 2.Qg5#
- 1...Rg8
- 2.Bd6#
- 1...Bg6
- 2.Sxc6#
- 2.Bd6#
- 1...Bd7
- 2.Bd6#
- 1...Se3
- 2.Bd6#
- 2.f4#
- 1...Sh4
- 2.Bd6#
- 2.f4#
- 1...c5
- 2.Qg5#
- 1...Rxf6!
- threat
- 1.Sf2?
- Keys
- 1.Sc5!
- threat
- 2.Sd3#
- 1...Rxf3
- 2.Qe6#
- 1...d4
- 2.Qe4#
- 1...Bg6
- 2.Sd7#
- 1...Se1
- 2.Re3#
- 1...Sf4
- 2.Re3#
- threat
- 1.Sc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 3
- REMOVED MATES = 3
- Sets
- R(e);N_GUARD,XP(C)::B(A)
- R(e);N_GUARD::B(A)
- R(e);N_GUARD::B(A),XR(e)
- R(e);N_GUARD,P_PINP(I)::B(A)
- P(b);OGATEB::R(B)
- Tries
- Try
- S(E);
- Threat
- S(E)
- Vars
- S(a);N_GUARD::R(B)
- Refutation
- B(f);
- Try
- S(E);
- Threat
- QAB1(F)
- Vars
- S(a);N_GUARD::R(B)
- Refutation
- P(d);
- Try
- S(E);
- Threat
- QAB1(F)
- Vars
- R(e);OGATE,XS(E)::B(A),XR(e)
- R(e);N_GUARD::QAR1(F)
- S(a);N_GUARD::R(B)
- Refutation
- P(d);
- Try
- S(E);XR(e)
- Threat
- DUALS(2)
- Vars
- P(d);::QAR1(F)
- Refutation
- R(g);XS(E)
- Try
- B(A);
- Threat
- B(A)+R(B)
- Vars
- P(d);::B(A)+R(B),XP(d)
- Refutation
- R(e);XP(C)
- Try
- B(A);
- Threat
- B(A)
- Vars
- P(b);OGATE,XS(E)::QAR1(F),XP(b)
- Refutation
- P(b);
- Try
- Q(F);CHECK
- Vars
- R(e);SBLOCK,XQ(F)::B(A)
- Refutation
- K(c);P-FLIGHT,XQ(F)
- Try
- Q(F);CHECK
- Vars
- K(c);S_FLIGHT::B(A)
- Refutation
- R(e);XQ(F)
- Try
- P(C);CHECK
- Refutation
- S(a);XP(C)
- Try
- P(G);XR(e)
- Threat
- DUALS(2)
- Vars
- P(b);XS(E)::QAR2(F)
- R(g);::B(A)
- B(f);::B(A)
- P(d);::QAR2(F)
- Refutation
- R(g);XP(G)
- Try
- Actual
- S(E);
- Threat
- S(E)
- Vars
- R(e);N_GUARD,XP(C)::QAR1(F)
- P(b);N_GUARD::QAR1(F)
- B(f);N_GUARD::S(E)
- S(a);N_GUARD::R(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).