MESON Chess Problem Database
Problem Display
PID: 193498 (6r1/1p2N2N/3pP2K/3Pk2p/2P1pR1r/4P1Pb/7B/8 w - - 0 1)
Guidelli, Giorgio
Good Companions, 1915
#2
10 + 8
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Rxf4
- 2.gxf4#
- 1...Rhg4
- 2.Rf5#
- 1...Rgg4
- 2.Rf5#
- 1...Rg6+
- 2.Sxg6#
- 1...Ra8
- 2.Sg6#
- 1...Rb8
- 2.Sg6#
- 1...Rc8
- 2.Sg6#
- 1...Rd8
- 2.Sg6#
- 1...Re8
- 2.Sg6#
- 1...Rf8
- 2.Sg6#
- 1...Rh8
- 2.Sg6#
- 1...Bf1
- 2.Rf5#
- 1...Bg2
- 2.Rf5#
- 1...Bf5
- 2.Rxf5#
- 1...b5
- 2.Sc6#
- 1...b6
- 2.Sc6#
- 1...Rxf4
- Tries
- 1.Rf2?
- threat
- 2.g4#
- 1...Rg6+
- 2.Sxg6#
- 1...Rxg3
- 2.Sg6#
- 1...Rf4
- 2.gxf4#
- 1...Rhg4
- 2.Rf5#
- 1...Rgg4
- 2.Rf5#
- 1...Rf8
- 2.Sg6#
- 1...Bf1
- 2.Rf5#
- 1...Bg2
- 2.Rf5#
- 1...Bg4
- 2.gxh4#
- 1...Bf5
- 2.Rxf5#
- 1...Bxe6!
- threat
- 1.Rf7?
- threat
- 2.g4#
- 1...Rg6+
- 2.Sxg6#
- 1...Rxg3
- 2.Sg6#
- 1...Rf4
- 2.gxf4#
- 1...Rhg4
- 2.Rf5#
- 1...Rgg4
- 2.Rf5#
- 1...Bf1
- 2.Rf5#
- 1...Bg2
- 2.Rf5#
- 1...Bg4
- 2.gxh4#
- 1...Bf5
- 2.Rxf5#
- 1...Bxe6!
- threat
- 1.gxh4?
- threat
- 2.Rg4#
- 2.Rf5#
- 1...Rg6+
- 2.Sxg6#
- 1...Rg1
- 2.Rf5#
- 1...Rg2
- 2.Rf5#
- 1...Rg4
- 2.Rxg4#
- 2.Rf5#
- 1...Rf8
- 2.Sg6#
- 2.Rf5#
- 2.Rf6#
- 2.Rf7#
- 2.Rxf8#
- 1...Bg4
- 2.Rf1#
- 2.Rf2#
- 2.Rf3#
- 2.Rxg4#
- 2.Rf5#
- 2.Rf6#
- 2.Rf7#
- 2.Rf8#
- 1...Bf5
- 2.Rg4#
- 2.Rxf5#
- 1...Rg3!
- threat
- 1.g4?
- threat
- 2.Rf1#
- 2.Rf2#
- 2.Rf3#
- 2.Rf5#
- 2.Rf6#
- 2.Rf7#
- 2.Rf8#
- 1...Rg6+
- 2.Sxg6#
- 1...Rhxg4
- 2.Rxg4#
- 2.Rf5#
- 1...Rgxg4
- 2.Rxg4#
- 2.Rf5#
- 1...Bxg4
- 2.Rf5#
- 1...Rf8
- 2.Sg6#
- 2.Rf5#
- 2.Rf6#
- 2.Rf7#
- 2.Rxf8#
- 1...Bf1
- 2.Rf5#
- 1...Bg2
- 2.Rf5#
- 1...hxg4+!
- threat
- 1.Rf2?
- Keys
- 1.Rf6!
- threat
- 2.g4#
- 1...Rg6+
- 2.Sxg6#
- 1...Rxg3
- 2.Sg6#
- 1...Bxe6
- 2.Rxe6#
- 1...Rf4
- 2.gxf4#
- 1...Rhg4
- 2.Rf5#
- 1...Rgg4
- 2.Rf5#
- 1...Bf1
- 2.Rf5#
- 1...Bg2
- 2.Rf5#
- 1...Bg4
- 2.gxh4#
- 1...Bf5
- 2.Rxf5#
- threat
- 1.Rf6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 9
- Sets
- R(c);OGATE,XR(E)::P(C),XR(c)
- R(c);S_CUTB(a)::R1(E)
- R(h);S_CUTB(a)::R1(E)
- R(h);CHECK,N_GUARD::S(I),XR(h)
- R(h);N_GUARD::S(I)
- R(h);N_GUARD,P_PINS(J)::S(I)
- B(a);N_GUARD::R1(E)
- B(a);N_GUARD::R1(E),XB(a)
- P(g);N_GUARD::S(I)
- Tries
- Try
- R(E);
- Threat
- B(A)+P(C)
- Vars
- R(h);CHECK,N_GUARD::S(I),XR(h)
- R(h);N_GUARD,P_SPINR(h),XP(C)::S(I)
- R(c);OGATE::P(C),XR(c)
- R(c);S_CUTB(a)::R1(E)
- R(h);S_CUTB(a)::R1(E)
- R(h);N_GUARD::S(I)
- B(a);N_GUARD::R1(E)
- B(a);S_CUTR(h)::B(A)+P(C),XR(c)
- B(a);N_GUARD::R1(E),XB(a)
- Refutation
- B(a);XP(G)
- Try
- R(E);
- Threat
- B(A)+P(C)
- Vars
- R(h);CHECK,N_GUARD::S(I),XR(h)
- R(h);N_GUARD,P_SPINR(h),XP(C)::S(I)
- R(c);OGATE::P(C),XR(c)
- R(c);S_CUTB(a)::R1(E)
- R(h);S_CUTB(a)::R1(E)
- B(a);N_GUARD::R1(E)
- B(a);S_CUTR(h)::B(A)+P(C),XR(c)
- B(a);N_GUARD::R1(E),XB(a)
- Refutation
- B(a);XP(G)
- Try
- P(C);XR(c)
- Threat
- DUALS(2)
- Vars
- R(h);CHECK,N_GUARD::S(I),XR(h)
- R(h);::B(A)+R(E),DCHECK
- Refutation
- R(h);
- Try
- P(C);
- Threat
- DUALS(7)
- Vars
- R(h);CHECK,N_GUARD::S(I),XR(h)
- B(a);XP(C)::B(A)+R(E),DCHECK
- B(a);::B(A)+R(E),DCHECK
- Refutation
- P(e);CHECK,XP(C)
- Try
- Actual
- R(E);
- Threat
- B(A)+P(C)
- Vars
- R(h);CHECK,N_GUARD::S(I),XR(h)
- R(h);N_GUARD,P_SPINR(h),XP(C)::S(I)
- B(a);OGATE,XP(G)::R1(E),XB(a)
- R(c);OGATE::P(C),XR(c)
- R(c);S_CUTB(a)::R1(E)
- R(h);S_CUTB(a)::R1(E)
- B(a);N_GUARD::R1(E)
- B(a);S_CUTR(h)::B(A)+P(C),XR(c)
- B(a);N_GUARD::R1(E),XB(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).