MESON Chess Problem Database
Problem Display
PID: 206444 (8/3p3b/1p1rP2r/3k4/p1R1N2P/N6Q/4p1P1/BB2K3 w - - 0 1)
Herpai, S Ferenc
Il Problema, 1933
#2
10 + 8
| 5454 | Near Snap | 2020 |
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Rdxe6
- 2.Qd3#
- 1...Rxh4
- 2.Sf6#
- 1...Rh5
- 2.Sf6#
- 1...Rhxe6
- 2.Qd3#
- 1...Rf6
- 2.Sxf6#
- 1...Rg6
- 2.Qf5#
- 1...Bxe4
- 2.Bxe4#
- 1...Bf5
- 2.Qxf5#
- 1...Bg6
- 2.Sf6#
- 1...Bg8
- 2.Qf5#
- 1...b5
- 2.Rc5#
- 1...dxe6
- 2.Qd3#
- 1...Rdxe6
- Tries
- 1.Kxe2?
- 1...Rdxe6
- 2.Qd3#
- 1...Rxh4
- 2.Sf6#
- 1...Rhxe6
- 2.Qd3#
- 1...Bxe4
- 2.Bxe4#
- 1...dxe6
- 2.Qd3#
- 1...Bf5
- 2.Qxf5#
- 1...Rh5
- 2.Sf6#
- 1...Rf6
- 2.Sxf6#
- 1...Rg6
- 2.Qf5#
- 1...Bg6
- 2.Sf6#
- 1...Bg8
- 2.Qf5#
- 1...b5
- 2.Rc5#
- 1...Rc6!
- 1...Rdxe6
- 1.Bb2?
- 1...Rdxe6
- 2.Qd3#
- 1...Rxh4
- 2.Sf6#
- 1...Rhxe6
- 2.Qd3#
- 1...Bxe4
- 2.Bxe4#
- 1...dxe6
- 2.Qd3#
- 1...Bf5
- 2.Qxf5#
- 1...Rh5
- 2.Sf6#
- 1...Rf6
- 2.Sxf6#
- 1...Rg6
- 2.Qf5#
- 1...Bg6
- 2.Sf6#
- 1...Bg8
- 2.Qf5#
- 1...b5
- 2.Rc5#
- 1...Rc6!
- 1...Rdxe6
- 1.Bc3?
- 1...Rdxe6
- 2.Qd3#
- 1...Rxh4
- 2.Sf6#
- 1...Rhxe6
- 2.Qd3#
- 1...Bxe4
- 2.Bxe4#
- 1...dxe6
- 2.Qd3#
- 1...Bf5
- 2.Qxf5#
- 1...Rh5
- 2.Sf6#
- 1...Rf6
- 2.Sxf6#
- 1...Rg6
- 2.Qf5#
- 1...Bg6
- 2.Sf6#
- 1...Bg8
- 2.Qf5#
- 1...b5
- 2.Rc5#
- 1...Rc6!
- 1...Rdxe6
- 1.Bf6?
- threat
- 2.Sc3#
- 1...Rxe6
- 2.Qd3#
- 1...Bxe4
- 2.Bxe4#
- 1...Bf5
- 2.Qxf5#
- 1...Rc6
- 2.Rd4#
- 1...Rxf6!
- threat
- 1.Bg7?
- threat
- 2.Sc3#
- 1...Rdxe6
- 2.Qd3#
- 1...Bxe4
- 2.Bxe4#
- 1...Bf5
- 2.Qxf5#
- 1...Rc6
- 2.Rd4#
- 1...Rf6!
- threat
- 1.Bh8?
- threat
- 2.Sc3#
- 1...Rdxe6
- 2.Qd3#
- 1...Bxe4
- 2.Bxe4#
- 1...Bf5
- 2.Qxf5#
- 1...Rc6
- 2.Rd4#
- 1...Rf6!
- threat
- 1.Bc2?
- 1...Rdxe6
- 2.Qd3#
- 1...Rxh4
- 2.Sf6#
- 1...Rhxe6
- 2.Qd3#
- 1...Bxe4
- 2.Bxe4#
- 1...dxe6
- 2.Qd3#
- 1...Bf5
- 2.Qxf5#
- 1...Rh5
- 2.Sf6#
- 1...Rf6
- 2.Sxf6#
- 1...Rg6
- 2.Qf5#
- 1...Bg6
- 2.Sf6#
- 1...Bg8
- 2.Qf5#
- 1...b5
- 2.Rc5#
- 1...Rc6!
- 1...Rdxe6
- 1.Rc1?
- 1...Rdxe6
- 2.Qd3#
- 1...Rxh4
- 2.Sf6#
- 1...Rhxe6
- 2.Qd3#
- 1...Bxe4
- 2.Ba2#
- 1...dxe6
- 2.Qd3#
- 1...Bf5
- 2.Qxf5#
- 1...Rh5
- 2.Sf6#
- 1...Rf6
- 2.Sxf6#
- 1...Rg6
- 2.Qf5#
- 1...Bg6
- 2.Sf6#
- 1...Bg8
- 2.Qf5#
- 1...b5
- 2.Rc5#
- 1...Rc6!
- 1...Rdxe6
- 1.Rc7?
- 1...Rdxe6
- 2.Qd3#
- 1...Rxh4
- 2.Sf6#
- 1...Rhxe6
- 2.Qd3#
- 1...Bxe4
- 2.Ba2#
- 1...dxe6
- 2.Qd3#
- 1...Bf5
- 2.Qxf5#
- 1...Rh5
- 2.Sf6#
- 1...Rf6
- 2.Sxf6#
- 1...Rg6
- 2.Qf5#
- 1...Bg6
- 2.Sf6#
- 1...Bg8
- 2.Qf5#
- 1...b5
- 2.Rc5#
- 1...Rc6!
- 1...Rdxe6
- 1.Rc8?
- 1...Rdxe6
- 2.Qd3#
- 1...Rxh4
- 2.Sf6#
- 1...Rhxe6
- 2.Qd3#
- 1...Bxe4
- 2.Ba2#
- 1...dxe6
- 2.Qd3#
- 1...Bf5
- 2.Qxf5#
- 1...Rh5
- 2.Sf6#
- 1...Rf6
- 2.Sxf6#
- 1...Rg6
- 2.Qf5#
- 1...Bg6
- 2.Sf6#
- 1...Bg8
- 2.Qf5#
- 1...b5
- 2.Rc5#
- 1...Rc6!
- 1...Rdxe6
- 1.Qh2?
- threat
- 2.Qe5#
- 2.Qxd6#
- 1...Rdxe6
- 2.Sc3#
- 1...Rhxe6
- 2.Sc3#
- 1...Bxe4
- 2.Qe5#
- 1...Rc6
- 2.Qe5#
- 1...Rh5
- 2.Qxd6#
- 1...Kxe6!
- threat
- 1.Qg3?
- threat
- 2.Qe5#
- 2.Qxd6#
- 1...Rdxe6
- 2.Sc3#
- 2.Qd3#
- 1...Rhxe6
- 2.Sc3#
- 2.Qd3#
- 1...Bxe4
- 2.Qe5#
- 1...Rc6
- 2.Qe5#
- 1...Rh5
- 2.Qxd6#
- 1...Kxe6!
- threat
- 1.h5?
- 1...Rdxe6
- 2.Qd3#
- 1...Rxh5
- 2.Sf6#
- 1...Rhxe6
- 2.Qd3#
- 1...Bxe4
- 2.Bxe4#
- 1...dxe6
- 2.Qd3#
- 1...Bf5
- 2.Qxf5#
- 1...Rf6
- 2.Sxf6#
- 1...Rg6
- 2.Qf5#
- 1...Bg6
- 2.Sf6#
- 1...Bg8
- 2.Qf5#
- 1...b5
- 2.Rc5#
- 1...Rc6!
- 1...Rdxe6
- 1.Kxe2?
- Keys
- 1.Rc2!
- 1...Kxe4
- 2.Qf3#
- 1...Rdxe6
- 2.Qd3#
- 1...Rxh4
- 2.Sf6#
- 1...Rhxe6
- 2.Qd3#
- 1...Bxe4
- 2.Ba2#
- 1...dxe6
- 2.Qd3#
- 1...Bf5
- 2.Qxf5#
- 1...Rc6
- 2.Rd2#
- 1...Rh5
- 2.Sf6#
- 1...Rf6
- 2.Sxf6#
- 1...Rg6
- 2.Qf5#
- 1...Bg6
- 2.Sf6#
- 1...Bg8
- 2.Qf5#
- 1...b5
- 2.Rc5#
- 1...Kxe4
- 1.Rc2!
Anticipated by 22357(1890-1891)
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- R(e);SBLOCK,XP(J)::QAR2(F)
- R(f);N_GUARD,XP(I)::S(H)
- R(f);N_GUARD::S(H)
- R(f);SBLOCK,XP(J)::QAR2(F)
- R(f);N_GUARD::S(H),XR(f)
- R(f);S_CUTB(h)::QAR2(F)
- B(h);OGATE,XS(H)::B(B),XB(h)
- B(h);N_GUARD::QAR2(F),XB(h)
- B(h);S_CUTR(f)::S(H)
- B(h);N_GUARD::QAR2(F)
- P(d);N_GUARD::R1(G)
- P(g);SBLOCK,XP(J)::QAR2(F)
- Tries
- Try
- K(C);P-FLIGHT,XP(a)
- Vars
- R(e);P_PINS(H),SBLOCK,XP(J)::QAR2(F)
- R(f);N_GUARD,XP(I)::S(H)
- R(f);P_PINS(H),SBLOCK,XP(J)::QAR2(F)
- B(h);OGATE,XS(H)::B(B),XB(h)
- P(g);SBLOCK,XP(J)::QAR2(F)
- B(h);N_GUARD::QAR2(F),XB(h)
- R(f);N_GUARD::S(H)
- R(f);N_GUARD::S(H),XR(f)
- R(f);S_CUTB(h)::QAR2(F)
- B(h);S_CUTR(f)::S(H)
- B(h);N_GUARD::QAR2(F)
- P(d);N_GUARD::R1(G)
- Refutation
- R(e);
- Try
- B(A);
- Vars
- R(e);SBLOCK,XP(J)::QAR2(F)
- R(f);N_GUARD,XP(I)::S(H)
- R(f);SBLOCK,XP(J)::QAR2(F)
- B(h);OGATE,XS(H)::B(B),XB(h)
- P(g);SBLOCK,XP(J)::QAR2(F)
- B(h);N_GUARD::QAR2(F),XB(h)
- R(f);N_GUARD::S(H)
- R(f);N_GUARD::S(H),XR(f)
- R(f);S_CUTB(h)::QAR2(F)
- B(h);S_CUTR(f)::S(H)
- B(h);N_GUARD::QAR2(F)
- P(d);N_GUARD::R1(G)
- Refutation
- R(e);
- Try
- B(A);
- Vars
- R(e);SBLOCK,XP(J)::QAR2(F)
- R(f);N_GUARD,XP(I)::S(H)
- R(f);SBLOCK,XP(J)::QAR2(F)
- B(h);OGATE,XS(H)::B(B),XB(h)
- P(g);SBLOCK,XP(J)::QAR2(F)
- B(h);N_GUARD::QAR2(F),XB(h)
- R(f);N_GUARD::S(H)
- R(f);N_GUARD::S(H),XR(f)
- R(f);S_CUTB(h)::QAR2(F)
- B(h);S_CUTR(f)::S(H)
- B(h);N_GUARD::QAR2(F)
- P(d);N_GUARD::R1(G)
- Refutation
- R(e);
- Try
- B(A);
- Threat
- S(H)
- Vars
- R(e);SBLOCK,XP(J)::QAR2(F)
- B(h);OGATE,XS(H)::B(B),XB(h)
- B(h);N_GUARD::QAR2(F),XB(h)
- R(e);SBLOCK::R1(G)
- Refutation
- R(f);XB(A)
- Try
- B(A);
- Threat
- S(H)
- Vars
- R(e);SBLOCK,XP(J)::QAR2(F)
- B(h);OGATE,XS(H)::B(B),XB(h)
- B(h);N_GUARD::QAR2(F),XB(h)
- R(e);SBLOCK::R1(G)
- Refutation
- R(f);
- Try
- B(A);
- Threat
- S(H)
- Vars
- R(e);SBLOCK,XP(J)::QAR2(F)
- B(h);OGATE,XS(H)::B(B),XB(h)
- B(h);N_GUARD::QAR2(F),XB(h)
- R(e);SBLOCK::R1(G)
- Refutation
- R(f);
- Try
- B(B);
- Vars
- R(e);SBLOCK,XP(J)::QAR2(F)
- R(f);N_GUARD,XP(I)::S(H)
- R(f);SBLOCK,XP(J)::QAR2(F)
- B(h);OGATE,XS(H)::B(B),XB(h)
- P(g);SBLOCK,XP(J)::QAR2(F)
- B(h);N_GUARD::QAR2(F),XB(h)
- R(f);N_GUARD::S(H)
- R(f);N_GUARD::S(H),XR(f)
- R(f);S_CUTB(h)::QAR2(F)
- B(h);S_CUTR(f)::S(H)
- B(h);N_GUARD::QAR2(F)
- P(d);N_GUARD::R1(G)
- Refutation
- R(e);
- Try
- R(G);
- Vars
- R(e);SBLOCK,XP(J)::QAR2(F)
- R(f);N_GUARD,XP(I)::S(H)
- R(f);SBLOCK,XP(J)::QAR2(F)
- B(h);SBLOCK,XS(H)::B(B)
- P(g);SBLOCK,XP(J)::QAR2(F)
- B(h);N_GUARD::QAR2(F),XB(h)
- R(f);N_GUARD::S(H)
- R(f);N_GUARD::S(H),XR(f)
- R(f);S_CUTB(h)::QAR2(F)
- B(h);S_CUTR(f)::S(H)
- B(h);N_GUARD::QAR2(F)
- P(d);N_GUARD::R1(G)
- Refutation
- R(e);
- Try
- R(G);
- Vars
- R(e);SBLOCK,XP(J)::QAR2(F)
- R(f);N_GUARD,XP(I)::S(H)
- R(f);SBLOCK,XP(J)::QAR2(F)
- B(h);SBLOCK,XS(H)::B(B)
- P(g);SBLOCK,XP(J)::QAR2(F)
- B(h);N_GUARD::QAR2(F),XB(h)
- R(f);N_GUARD::S(H)
- R(f);N_GUARD::S(H),XR(f)
- R(f);S_CUTB(h)::QAR2(F)
- B(h);S_CUTR(f)::S(H)
- B(h);N_GUARD::QAR2(F)
- P(d);N_GUARD::R1(G)
- Refutation
- R(e);
- Try
- R(G);
- Vars
- R(e);SBLOCK,XP(J)::QAR2(F)
- R(f);N_GUARD,XP(I)::S(H)
- R(f);SBLOCK,XP(J)::QAR2(F)
- B(h);SBLOCK,XS(H)::B(B)
- P(g);SBLOCK,XP(J)::QAR2(F)
- B(h);N_GUARD::QAR2(F),XB(h)
- R(f);N_GUARD::S(H)
- R(f);N_GUARD::S(H),XR(f)
- R(f);S_CUTB(h)::QAR2(F)
- B(h);S_CUTR(f)::S(H)
- B(h);N_GUARD::QAR2(F)
- P(d);N_GUARD::R1(G)
- Refutation
- R(e);
- Try
- Q(F);
- Threat
- DUALS(2)
- Vars
- R(e);SBLOCK,XP(J)::S(H)
- R(f);SBLOCK,XP(J)::S(H)
- B(h);XS(H)::QAR1(F)
- R(e);::QAR1(F)
- R(f);::QAR1(F),XR(e)
- Refutation
- K(c);S_FLIGHT,XP(J)
- Try
- Q(F);
- Threat
- DUALS(2)
- Vars
- B(h);XS(H)::QAR1(F)
- R(e);::QAR1(F)
- R(f);::QAR1(F),XR(e)
- Refutation
- K(c);S_FLIGHT,XP(J)
- Try
- P(I);
- Vars
- R(e);SBLOCK,XP(J)::QAR2(F)
- R(f);N_GUARD,XP(I)::S(H)
- R(f);SBLOCK,XP(J)::QAR2(F)
- B(h);OGATE,XS(H)::B(B),XB(h)
- P(g);SBLOCK,XP(J)::QAR2(F)
- B(h);N_GUARD::QAR2(F),XB(h)
- R(f);N_GUARD::S(H),XR(f)
- R(f);S_CUTB(h)::QAR2(F)
- B(h);S_CUTR(f)::S(H)
- B(h);N_GUARD::QAR2(F)
- P(d);N_GUARD::R1(G)
- Refutation
- R(e);
- Try
- Actual
- R(G);
- Vars
- K(c);OGATEB,S_FLIGHT,XS(H)::QAB1(F)
- R(e);SBLOCK,XP(J)::QAR2(F)
- R(f);N_GUARD,XP(I)::S(H)
- R(f);SBLOCK,XP(J)::QAR2(F)
- B(h);SBLOCK,XS(H)::B(B)
- P(g);SBLOCK,XP(J)::QAR2(F)
- B(h);N_GUARD::QAR2(F),XB(h)
- R(e);SBLOCK::R(G)
- R(f);N_GUARD::S(H)
- R(f);N_GUARD::S(H),XR(f)
- R(f);S_CUTB(h)::QAR2(F)
- B(h);S_CUTR(f)::S(H)
- B(h);N_GUARD::QAR2(F)
- P(d);N_GUARD::R1(G)
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).