MESON Chess Problem Database
Problem Display
PID: 158437 (2KR4/1p5P/1BP1p1B1/R1bNN3/2rk4/2p1pP2/8/2Q2bq1 w - - 0 1)
Armeni, Alberto
Scacco!, 1999
#2
11 + 9
| 15148 | Sadier Collection | 2016 |
SOLUTION
- SOUND
- Sets
- 1...Kxe5
- 2.h8Q#
- 2.h8B#
- 1...Qh2
- 2.Qxe3#
- 1...Qh1
- 2.Qxe3#
- 1...Qg2
- 2.Qxe3#
- 1...Qg3
- 2.Qxe3#
- 1...Qg4
- 2.Qxe3#
- 1...Qxg6
- 2.Qxe3#
- 1...Ra4
- 2.Qxc3#
- 1...Rb4
- 2.Qxc3#
- 1...Bxb6
- 2.Sxb6#
- 2.Sc7#
- 1...e2
- 2.Qf4#
- 1...bxc6
- 2.Sxc6#
- 1...Kxe5
- Tries
- 1.Sg4?
- threat
- 2.Sxc3#
- 2.Sdxe3#
- 2.Sb4#
- 2.Sf4#
- 2.Sdf6#
- 2.Sc7#
- 2.Se7#
- 1...Qxg4
- 2.Qxe3#
- 1...Bxb6
- 2.Sxb6#
- 2.Sc7#
- 1...exd5
- 2.h8Q#
- 2.h8B#
- 1...Ra4
- 2.Sdxe3#
- 2.Qxc3#
- 1...Rb4
- 2.Sdxe3#
- 2.Qxc3#
- 1...Qh2
- 2.Sf4#
- 2.Qxe3#
- 1...Qg3
- 2.Sf4#
- 2.Qxe3#
- 1...e2
- 2.Sxc3#
- 2.Sde3#
- 2.Sb4#
- 2.Sf4#
- 2.Sdf6#
- 2.Sc7#
- 2.Se7#
- 2.Qf4#
- 1...c2!
- threat
- 1.Bxc5+?
- 1...Kxe5
- 2.h8Q#
- 2.h8B#
- 1...Rxc5!
- 1...Kxe5
- 1.Rxc5?
- threat
- 2.Sxc3#
- 2.Sxe3#
- 2.Sb4#
- 2.Sf4#
- 2.Sf6#
- 2.Sc7#
- 2.Se7#
- 1...Kxe5
- 2.h8Q#
- 2.h8B#
- 1...Rxc5
- 2.Qxc3#
- 1...exd5
- 2.Rcxd5#
- 2.Rdxd5#
- 1...Qg5
- 2.Sf6#
- 2.Se7#
- 1...Rb4
- 2.Sxc3#
- 2.Sxe3#
- 2.Sxb4#
- 2.Sf4#
- 2.Sf6#
- 2.Sc7#
- 2.Se7#
- 2.Qxc3#
- 1...e2
- 2.Sxc3#
- 2.Se3#
- 2.Sb4#
- 2.Sf4#
- 2.Sf6#
- 2.Sc7#
- 2.Se7#
- 2.Qf4#
- 1...c2!
- threat
- 1.Qd1+?
- 1...Kxe5
- 2.h8Q#
- 2.h8B#
- 1...Bd3!
- 1...Kxe5
- 1.f4?
- threat
- 2.Sxc3#
- 2.Sxe3#
- 2.Sb4#
- 2.Sf6#
- 2.Sc7#
- 2.Se7#
- 2.Sf3#
- 1...Qxg6
- 2.Sxc3#
- 2.Sf6#
- 2.Qxe3#
- 1...Bxb6
- 2.Sxb6#
- 2.Sc7#
- 2.Sf3#
- 1...exd5
- 2.Sf3#
- 1...Qf2
- 2.Sxc3#
- 2.Sxe3#
- 2.Sb4#
- 2.Sf6#
- 2.Sc7#
- 2.Se7#
- 1...Qh1
- 2.Qxe3#
- 1...Qg2
- 2.Qxe3#
- 1...Qg3
- 2.Sxc3#
- 2.Sxe3#
- 2.Sb4#
- 2.Sf6#
- 2.Sc7#
- 2.Se7#
- 1...Qg4
- 2.Sxc3#
- 2.Sxe3#
- 2.Sb4#
- 2.Sf6#
- 2.Sc7#
- 2.Se7#
- 2.Qxe3#
- 1...Qg5
- 2.Sf6#
- 2.Se7#
- 2.Sf3#
- 2.Qxe3#
- 1...Ra4
- 2.Sxc3#
- 2.Sxe3#
- 2.Sb4#
- 2.Sf6#
- 2.Sc7#
- 2.Se7#
- 2.Bxc5#
- 2.Qxc3#
- 1...Rb4
- 2.Sxc3#
- 2.Sxe3#
- 2.Sxb4#
- 2.Sf6#
- 2.Sc7#
- 2.Se7#
- 2.Bxc5#
- 2.Qxc3#
- 1...Be2
- 2.Sxc3#
- 2.Sxe3#
- 2.Sb4#
- 2.Sf6#
- 2.Sc7#
- 2.Se7#
- 1...c2
- 2.Sf3#
- 1...e2
- 2.Sxc3#
- 2.Se3#
- 2.Sb4#
- 2.Sf6#
- 2.Sc7#
- 2.Se7#
- 2.Sf3#
- 1...Bg2!
- threat
- 1.h8Q?
- threat
- 2.Sxc3#
- 2.Sxe3#
- 2.Sb4#
- 2.Sf4#
- 2.Sc7#
- 2.Se7#
- 1...Bxb6
- 2.Sxb6#
- 2.Sc7#
- 1...exd5
- 2.Sd3#
- 2.Sg4#
- 2.Sd7#
- 2.Sf7#
- 1...Qg5
- 2.Se7#
- 1...Rb4
- 2.Sxc3#
- 2.Sxe3#
- 2.Sxb4#
- 2.Sf4#
- 2.Sc7#
- 2.Se7#
- 2.Bxc5#
- 2.Qxc3#
- 1...e2
- 2.Sxc3#
- 2.Se3#
- 2.Sb4#
- 2.Sf4#
- 2.Sc7#
- 2.Se7#
- 2.Qf4#
- 1...c2!
- threat
- 1.h8B?
- threat
- 2.Sxc3#
- 2.Sxe3#
- 2.Sb4#
- 2.Sf4#
- 2.Sc7#
- 2.Se7#
- 1...Bxb6
- 2.Sxb6#
- 2.Sc7#
- 1...exd5
- 2.Sd3#
- 2.Sg4#
- 2.Sd7#
- 2.Sf7#
- 1...Qg5
- 2.Se7#
- 1...Rb4
- 2.Sxc3#
- 2.Sxe3#
- 2.Sxb4#
- 2.Sf4#
- 2.Sc7#
- 2.Se7#
- 2.Bxc5#
- 2.Qxc3#
- 1...e2
- 2.Sxc3#
- 2.Se3#
- 2.Sb4#
- 2.Sf4#
- 2.Sc7#
- 2.Se7#
- 2.Qf4#
- 1...c2!
- threat
- 1.Sg4?
- Keys
- 1.cxb7!
- threat
- 2.Sc6#
- 1...Bxb6+
- 2.Sc7#
- 1...Kxe5
- 2.h8Q#
- 2.h8B#
- 1...Qxg6
- 2.Qxe3#
- 1...Ra4
- 2.Qxc3#
- 1...Rb4
- 2.Qxc3#
- threat
- 1.cxb7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 7
- Sets
- K(f);N_SPINB(g),S_FLIGHT,XS(E)::P=Q
- Q(b);N_GUARD::QAB1(A),XP(d)
- Q(b);N_GUARD,XB(H)::QAB1(A),XP(d)
- R(e);N_GUARD::QAB1(A),XP(c)
- P(d);OGATE::QAR2(A)
- P(i);XP(G)::S(E),XP(i)
- Tries
- Try
- S(E);
- Threat
- DUALS(7)
- Vars
- Q(b);N_GUARD,XS(E)::QAB1(A),XP(d)
- P(h);N_GUARD,P_SPINP(h),XS(D)::P=Q
- Refutation
- P(c);
- Try
- B(F);CHECK,XB(g)
- Vars
- K(f);S_CUTR(e),S_FLIGHT,XS(E)::P=Q
- Refutation
- R(e);P_PINP(G),XB(F)
- Try
- R(C);XB(g)
- Threat
- DUALS(7)
- Vars
- K(f);S_FLIGHT,XS(E)::P=Q
- R(e);N_GUARD,P_PINP(G),P_SPINR(e),XR(C)::QAB1(A),XP(c)
- Refutation
- P(c);
- Try
- Q(A);CHECK
- Vars
- K(f);N_SPINB(g),S_CUTB(a),S_FLIGHT,XS(E)::P=Q
- Refutation
- B(a);N_SPINB(g),P_SPINB(a)
- Try
- P(B);
- Threat
- DUALS(7)
- Vars
- P(h);P_SPINP(h),XS(D)::S(E)
- Q(b);N_GUARD::QAB1(A),XP(d)
- P(c);::S(E)
- Refutation
- B(a);
- Try
- P(I);
- Threat
- DUALS(6)
- Vars
- Q(b);::R(K)+S(D)
- Refutation
- P(c);
- Try
- P(I);
- Threat
- DUALS(6)
- Vars
- Q(b);::R(K)+S(D)
- Refutation
- P(c);
- Try
- Actual
- P(G);XP(i)
- Threat
- S(E)
- Vars
- B(g);CHECK,N_SPINB(g),XB(F)::R(K)+S(D)
- K(f);N_SPINB(g),S_FLIGHT,XS(E)::P=Q
- Q(b);N_GUARD,XB(H)::QAB1(A),XP(d)
- R(e);N_GUARD::QAB1(A),XP(c)
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).