MESON Chess Problem Database
Problem Display
PID: 225977 (5NB1/b2p1N1p/K1P5/1p1kPp2/pP1p3R/8/b1Q5/4B3 w - - 0 1)
Marandiuk, Mikhail Nazarovich
Zadachi i Etyudi, 1999
#2
10 + 9
SOLUTION
- SOUND
- Sets
- 1...Bc4
- 2.Qg2#
- 1...Bc5
- 2.Qxc5#
- 1...Bb8
- 2.Qc5#
- 1...d3
- 2.Qg2#
- 1...dxc6
- 2.Qxa2#
- 1...Bc4
- Tries
- 1.Kxb5?
- threat
- 2.Qxa2#
- 2.Qg2#
- 1...Bc4+
- 2.Qxc4#
- 1...dxc6+
- 2.Qxc6#
- 1...Bb1
- 2.Qc4#
- 1...Bb3
- 2.Qg2#
- 1...f4!
- threat
- 1.Sg6?
- threat
- 2.Sf4#
- 2.Sg5#
- 2.Sd6#
- 2.Sh6#
- 2.Sd8#
- 2.Sfh8#
- 1...Ke6
- 2.Sg5#
- 2.Sd6#
- 2.Sh6#
- 2.Sd8#
- 2.Sfh8#
- 1...Bc4
- 2.Sd8#
- 1...Bc5
- 2.Sd8#
- 1...f4
- 2.Sxf4#
- 2.Sg5#
- 2.Sd6#
- 2.Sh6#
- 2.Sd8#
- 2.Sfh8#
- 1...d3
- 2.Sg5#
- 2.Sd6#
- 2.Sh6#
- 2.Sd8#
- 2.Sfh8#
- 1...d6
- 2.Sf4#
- 2.Sg5#
- 2.Sxd6#
- 2.Sh6#
- 2.Sd8#
- 2.Sfh8#
- 1...h6
- 2.Sf4#
- 2.Sg5#
- 2.Sd6#
- 2.Sxh6#
- 2.Sd8#
- 2.Sfh8#
- 1...hxg6!
- threat
- 1.Sxd7?
- threat
- 2.Sg5#
- 2.Sd6#
- 2.Sh6#
- 2.Sd8#
- 2.Sh8#
- 1...Bc4
- 2.Sd8#
- 1...Bc5
- 2.Sd8#
- 1...h6
- 2.Sg5#
- 2.Sd6#
- 2.Sxh6#
- 2.Sd8#
- 2.Sh8#
- 1...Ke6!
- threat
- 1.Bg3?
- threat
- 2.Sg5#
- 2.Sd6#
- 2.Sh6#
- 2.Sd8#
- 2.Sh8#
- 1...Bc4
- 2.Sd8#
- 2.Qg2#
- 1...Bc5
- 2.Sd8#
- 2.Qxc5#
- 1...d6
- 2.Sg5#
- 2.Sxd6#
- 2.Sh6#
- 2.Sd8#
- 2.Sh8#
- 1...h6
- 2.Sg5#
- 2.Sd6#
- 2.Sxh6#
- 2.Sd8#
- 2.Sh8#
- 1...f4!
- threat
- 1.Re4?
- threat
- 2.Sg5#
- 2.Sd6#
- 2.Sh6#
- 2.Sd8#
- 2.Sh8#
- 1...Bc4
- 2.Sd8#
- 1...Bc5
- 2.Sd8#
- 1...d3
- 2.Sg5#
- 2.Sd6#
- 1...d6
- 2.Sg5#
- 2.Sxd6#
- 2.Sh6#
- 2.Sd8#
- 2.Sh8#
- 1...h6
- 2.Sg5#
- 2.Sd6#
- 2.Sxh6#
- 2.Sd8#
- 2.Sh8#
- 1...fxe4!
- threat
- 1.Qe4+?
- 1...Kc4
- 2.Sd6#
- 1...fxe4!
- 1...Kc4
- 1.cxd7?
- threat
- 2.d8Q#
- 2.d8R#
- 1...Bc4
- 2.Qg2#
- 1...Bc5
- 2.Qxc5#
- 1...f4
- 2.d8Q#
- 2.d8R#
- 1...Bb1
- 2.d8Q#
- 2.d8R#
- 1...Bb3
- 2.d8Q#
- 2.d8R#
- 1...Bb8
- 2.Qc5#
- 1...a3
- 2.d8Q#
- 2.d8R#
- 1...d3
- 2.Qg2#
- 2.d8Q#
- 2.d8R#
- 1...h5
- 2.d8Q#
- 2.d8R#
- 1...h6
- 2.d8Q#
- 2.d8R#
- 1...Bb6!
- threat
- 1.Kxb5?
- Keys
- 1.Qxf5!
- threat
- 2.Sd8#
- 1...Kc4
- 2.Sd6#
- 1...Kxc6
- 2.Qxd7#
- threat
- 1.Qxf5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 5
- Sets
- B(a);SBLOCK::QAB(B)
- B(g);N_GUARD::QAR1(B),XB(g)
- B(g);N_GUARD::QAR1(B)
- P(c);::QAB(B)
- P(h);SBLOCK,XP(G)::QAB(B),XB(a)
- Tries
- Try
- K(F);S_FLIGHT,XP(d)
- Threat
- DUALS(2)
- Vars
- B(a);CHECK,N_GUARD::QAB1(B),XB(a)
- P(h);CHECK,OGATE,XP(G)::QAB1(B),XP(h)
- B(a);N_GUARD::QAB1(B)
- B(a);::QAB(B)
- Refutation
- P(f);
- Try
- S(I);
- Threat
- DUALS(6)
- Vars
- B(a);::B(J)+S(H)
- B(g);::B(J)+S(H)
- Refutation
- P(i);XS(I)
- Try
- S(I);XP(h)
- Threat
- DUALS(5)
- Vars
- B(a);::B(J)+S(H)
- B(g);::B(J)+S(H)
- Refutation
- K(e);S_FLIGHT
- Try
- B(A);
- Threat
- DUALS(5)
- Refutation
- P(f);
- Try
- R(D);
- Threat
- DUALS(5)
- Vars
- B(a);::B(J)+S(H)
- B(g);::B(J)+S(H)
- Refutation
- P(f);XR(D)
- Try
- Q(B);CHECK
- Vars
- K(e);P_SPINP(c),S_FLIGHT::B(J)+S(H),DCHECK
- Refutation
- P(f);XQ(B)
- Try
- P(G);XP(h)
- Threat
- P=Q
- Vars
- B(a);SBLOCK::QAB(B)
- B(g);N_GUARD::QAR1(B),XB(g)
- P(f);::P=Q
- B(a);::P=Q
- B(g);N_GUARD::QAR1(B)
- P(b);::P=Q
- P(i);::P=Q
- Refutation
- B(g);
- Try
- Actual
- Q(B);XP(f)
- Threat
- B(J)+S(H)
- Vars
- K(e);P_SPINP(c),S_FLIGHT::B(J)+S(H),DCHECK
- K(e);S_FLIGHT,XP(G)::QAB1(B),XP(h)
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).