MESON Chess Problem Database
Problem Display
PID: 197386 (4bN2/6p1/1n1pp3/R2pk1K1/3nB1R1/2r1p3/1r2Q3/2b1N3 w - - 0 1)
Pankratiev, Aleksandr Nikolaevich
Phenix, 1992
#2
7 + 12
SOLUTION
- SOUND
- Sets
- 1...Rb1
- 2.Qh2#
- 1...Rbb3
- 2.Qh2#
- 1...Rb4
- 2.Qh2#
- 1...Rb5
- 2.Qh2#
- 1...Rc2
- 2.Sd3#
- 1...Rd3
- 2.Sxd3#
- 1...Rc4
- 2.Sd3#
- 1...Rc5
- 2.Sd3#
- 1...Rc6
- 2.Sd3#
- 1...Rc7
- 2.Sd3#
- 1...Rc8
- 2.Sd3#
- 1...Bd2
- 2.Qh2#
- 1...Ba4
- 2.Sg6#
- 1...Bb5
- 2.Sg6#
- 1...Bc6
- 2.Sg6#
- 1...Bg6
- 2.Sxg6#
- 1...Bd7
- 2.Sg6#
- 1...Sc2
- 2.Sf3#
- 1...Sxe2
- 2.Sf3#
- 1...Sb3
- 2.Sf3#
- 1...Sf3+
- 2.Sxf3#
- 1...Sb5
- 2.Sf3#
- 1...Sf5
- 2.Sf3#
- 1...Sc6
- 2.Sf3#
- 1...Rb1
- Tries
- 1.Bb1?
- threat
- 2.Re4#
- 1...Sf3+
- 2.Sxf3#
- 1...Rxb1
- 2.Qh2#
- 1...Rb5
- 2.Qh2#
- 1...Rcc2
- 2.Sd3#
- 1...Rd3
- 2.Sxd3#
- 1...Rc5
- 2.Sd3#
- 1...Bb5
- 2.Sg6#
- 1...Bg6
- 2.Sxg6#
- 1...Sc2
- 2.Sf3#
- 2.Qh2#
- 1...Sb5
- 2.Sf3#
- 1...Rbc2!
- threat
- 1.Bc2?
- threat
- 2.Re4#
- 2.Qh2#
- 1...Sf3+
- 2.Sxf3#
- 1...Rcxc2
- 2.Sd3#
- 1...Sxc2
- 2.Sf3#
- 2.Qh2#
- 1...Sxe2
- 2.Sf3#
- 2.Re4#
- 1...Rb5
- 2.Qh2#
- 1...Rd3
- 2.Sxd3#
- 2.Qh2#
- 1...Rc5
- 2.Sd3#
- 2.Qh2#
- 1...Bb5
- 2.Sg6#
- 2.Qh2#
- 1...Bg6
- 2.Sxg6#
- 2.Qh2#
- 1...Sb5
- 2.Sf3#
- 2.Qh2#
- 1...Sf5
- 2.Sf3#
- 2.Re4#
- 1...Rbxc2!
- threat
- 1.Bg2?
- threat
- 2.Re4#
- 1...Sf3+
- 2.Sxf3#
- 1...Rc5
- 2.Sd3#
- 1...Bb5
- 2.Sg6#
- 1...Bg6
- 2.Sxg6#
- 1...Sb5
- 2.Sf3#
- 1...Rb5!
- threat
- 1.Bd3?
- threat
- 2.Re4#
- 1...Sf3+
- 2.Sxf3#
- 1...Rxd3
- 2.Sxd3#
- 1...Rb5
- 2.Qh2#
- 1...Bb5
- 2.Sg6#
- 1...Bg6
- 2.Sxg6#
- 1...Sb5
- 2.Sf3#
- 1...Rc5!
- threat
- 1.Bf3?
- threat
- 2.Re4#
- 1...Sxf3+
- 2.Sxf3#
- 1...Rb5
- 2.Qh2#
- 1...Rc5
- 2.Sd3#
- 1...Bb5
- 2.Sg6#
- 1...Bg6
- 2.Sxg6#
- 1...Sb5!
- threat
- 1.Bf5?
- threat
- 2.Re4#
- 1...Sf3+
- 2.Sxf3#
- 1...Sxf5
- 2.Sf3#
- 1...Rb5
- 2.Qh2#
- 1...Rc5
- 2.Sd3#
- 1...Bb5
- 2.Sg6#
- 1...Sb5
- 2.Sf3#
- 1...exf5!
- threat
- 1.Bg6?
- threat
- 2.Re4#
- 1...Sf3+
- 2.Sxf3#
- 1...Bxg6
- 2.Sxg6#
- 1...Rb5
- 2.Qh2#
- 1...Rc5
- 2.Sd3#
- 1...Sb5
- 2.Sf3#
- 1...Sf5
- 2.Sf3#
- 1...Bb5!
- threat
- 1.Bh7?
- threat
- 2.Re4#
- 1...Sf3+
- 2.Sxf3#
- 1...Rb5
- 2.Qh2#
- 1...Rc5
- 2.Sd3#
- 1...Bb5
- 2.Sg6#
- 1...Bg6
- 2.Sxg6#
- 1...Sb5
- 2.Sf3#
- 1...Sf5
- 2.Sf3#
- 1...g6!
- threat
- 1.Bb1?
- Keys
- 1.Bh1!
- threat
- 2.Re4#
- 1...Sf3+
- 2.Sxf3#
- 1...Rb5
- 2.Qh2#
- 1...Rc5
- 2.Sd3#
- 1...Bb5
- 2.Sg6#
- 1...Bg6
- 2.Sxg6#
- 1...Sb5
- 2.Sf3#
- threat
- 1.Bh1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 18
- Sets
- R(b);N_GUARD::QAB(B)
- R(b);N_GUARD,N_SPINP(f)::QAB(B)
- R(c);N_GUARD::S(A)
- R(c);N_GUARD::S(A),XR(c)
- R(c);N_GUARD,N_SPINP(f)::S(A)
- B(a);S_CUTR(b)::QAB(B)
- B(l);N_GUARD::S(G)
- B(l);N_GUARD,N_SPINP(f)::S(G)
- B(l);N_GUARD::S(G),XB(l)
- S(e);N_GUARD::S(A)
- S(e);N_GUARD,XQ(B)::S(A)
- S(e);CHECK,N_GUARD::S(A),XS(e)
- S(e);N_GUARD,N_SPINP(f)::S(A)
- Tries
- Try
- B(C);N_PINP(f),P_PINP(d)
- Threat
- R1(D)
- Vars
- S(e);CHECK,N_GUARD::S(A),XS(e)
- R(b);N_GUARD,XB(C)::QAB(B)
- R(b);N_GUARD::QAB(B)
- R(c);N_GUARD::S(A)
- R(c);N_GUARD::S(A),XR(c)
- B(l);N_GUARD::S(G)
- B(l);N_GUARD::S(G),XB(l)
- S(e);N_GUARD::S(A)
- Refutation
- R(b);
- Try
- B(C);N_PINP(f),P_PINP(d)
- Threat
- DUALS(2)
- Vars
- S(e);CHECK,N_GUARD::S(A),XS(e)
- R(c);N_GUARD,XB(C)::S(A)
- R(b);::QAB(B)
- Refutation
- R(b);XB(C)
- Try
- B(C);N_PINP(f),P_PINP(d)
- Threat
- R1(D)
- Vars
- S(e);CHECK,N_GUARD::S(A),XS(e)
- R(c);N_GUARD::S(A)
- B(l);N_GUARD::S(G)
- B(l);N_GUARD::S(G),XB(l)
- S(e);N_GUARD::S(A)
- Refutation
- R(b);
- Try
- B(C);N_PINP(f),P_PINP(d)
- Threat
- R1(D)
- Vars
- S(e);CHECK,N_GUARD::S(A),XS(e)
- R(c);XB(C)::S(A),XR(c)
- R(b);N_GUARD::QAB(B)
- B(l);N_GUARD::S(G)
- B(l);N_GUARD::S(G),XB(l)
- S(e);N_GUARD::S(A)
- Refutation
- R(c);
- Try
- B(C);N_PINP(f),P_PINP(d)
- Threat
- R1(D)
- Vars
- S(e);CHECK,XB(C)::S(A),XS(e)
- R(b);N_GUARD::QAB(B)
- R(c);N_GUARD::S(A)
- B(l);N_GUARD::S(G)
- B(l);N_GUARD::S(G),XB(l)
- Refutation
- S(e);
- Try
- B(C);N_PINP(f),P_PINP(d)
- Threat
- R1(D)
- Vars
- S(e);CHECK,N_GUARD::S(A),XS(e)
- S(e);N_GUARD,XB(C)::S(A)
- R(b);N_GUARD::QAB(B)
- R(c);N_GUARD::S(A)
- B(l);N_GUARD::S(G)
- S(e);N_GUARD::S(A)
- Refutation
- P(j);XB(C)
- Try
- B(C);N_PINP(f),P_PINP(d)
- Threat
- R1(D)
- Vars
- S(e);CHECK,N_GUARD::S(A),XS(e)
- B(l);XB(C)::S(G),XB(l)
- R(b);N_GUARD::QAB(B)
- R(c);N_GUARD::S(A)
- S(e);N_GUARD::S(A)
- Refutation
- B(l);
- Try
- B(C);N_PINP(f),P_PINP(d)
- Threat
- R1(D)
- Vars
- S(e);CHECK,N_GUARD::S(A),XS(e)
- R(b);N_GUARD::QAB(B)
- R(c);N_GUARD::S(A)
- B(l);N_GUARD::S(G)
- B(l);N_GUARD::S(G),XB(l)
- S(e);N_GUARD::S(A)
- Refutation
- P(k);
- Try
- Actual
- B(C);N_PINP(f),P_PINP(d)
- Threat
- R1(D)
- Vars
- S(e);CHECK,N_GUARD::S(A),XS(e)
- R(b);N_GUARD::QAB(B)
- R(c);N_GUARD::S(A)
- B(l);N_GUARD::S(G)
- B(l);N_GUARD::S(G),XB(l)
- S(e);N_GUARD::S(A)
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).