MESON Chess Problem Database
Problem Display
PID: 106830 (4rb2/8/3p1R2/1p1NkP2/1B1pP2p/5Pp1/2N2n2/1K4Q1 w - - 0 1)
Moody, Francis V
National News, 1919
#2
9 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Re6
- 2.Rxe6#
- 1...Re7
- 2.Bxd6#
- 1...Ra8
- 2.Re6#
- 1...Rb8
- 2.Re6#
- 1...Rc8
- 2.Re6#
- 1...Rd8
- 2.Re6#
- 1...Bh6
- 2.Bxd6#
- 1...Be7
- 2.Re6#
- 1...Bg7
- 2.Bxd6#
- 1...Sd1
- 2.Qxd4#
- 1...Sh1
- 2.Qxd4#
- 1...Sd3
- 2.Qxd4#
- 1...Sh3
- 2.Qxd4#
- 1...Sxe4
- 2.Qxd4#
- 1...Sg4
- 2.Qxd4#
- 1...g2
- 2.Qh2#
- 1...d3
- 2.Bc3#
- 1...h3
- 2.Qxg3#
- 1...Re6
- Tries
- 1.Ka1?
- 1...Sxe4
- 2.Qxd4#
- 1...Re6
- 2.Rxe6#
- 1...Re7
- 2.Bxd6#
- 1...Rb8
- 2.Re6#
- 1...Rc8
- 2.Re6#
- 1...Rd8
- 2.Re6#
- 1...Bh6
- 2.Bxd6#
- 1...Be7
- 2.Re6#
- 1...Bg7
- 2.Bxd6#
- 1...Sd1
- 2.Qxd4#
- 1...Sh1
- 2.Qxd4#
- 1...Sd3
- 2.Qxd4#
- 1...Sh3
- 2.Qxd4#
- 1...Sg4
- 2.Qxd4#
- 1...g2
- 2.Qh2#
- 1...d3
- 2.Bc3#
- 1...h3
- 2.Qxg3#
- 1...Ra8+!
- 1...Sxe4
- 1.Ka2?
- 1...Sxe4
- 2.Qxd4#
- 1...Re6
- 2.Rxe6#
- 1...Re7
- 2.Bxd6#
- 1...Rb8
- 2.Re6#
- 1...Rc8
- 2.Re6#
- 1...Rd8
- 2.Re6#
- 1...Bh6
- 2.Bxd6#
- 1...Be7
- 2.Re6#
- 1...Bg7
- 2.Bxd6#
- 1...Sd1
- 2.Qxd4#
- 1...Sh1
- 2.Qxd4#
- 1...Sd3
- 2.Qxd4#
- 1...Sh3
- 2.Qxd4#
- 1...Sg4
- 2.Qxd4#
- 1...g2
- 2.Qh2#
- 1...d3
- 2.Bc3#
- 2.Qa1#
- 1...h3
- 2.Qxg3#
- 1...Ra8+!
- 1...Sxe4
- 1.Se1?
- 1...d3
- 2.Bc3#
- 1...Re6
- 2.Rxe6#
- 1...Re7
- 2.Bxd6#
- 1...Ra8
- 2.Re6#
- 1...Rb8
- 2.Re6#
- 1...Rc8
- 2.Re6#
- 1...Rd8
- 2.Re6#
- 1...Bh6
- 2.Bxd6#
- 1...Be7
- 2.Re6#
- 1...Bg7
- 2.Bxd6#
- 1...Sd1
- 2.Sd3#
- 1...Sh1
- 2.Sd3#
- 1...Sd3
- 2.Sxd3#
- 1...Sh3
- 2.Sd3#
- 1...Sg4
- 2.Sd3#
- 1...g2
- 2.Qh2#
- 1...h3
- 2.Qxg3#
- 1...Sxe4!
- 1...d3
- 1.Bd2?
- threat
- 2.Bf4#
- 1...Sxe4
- 2.Qxd4#
- 1...Sd3
- 2.Qxd4#
- 1...Sh3
- 2.Qxd4#
- 1...Bh6!
- threat
- 1.Ba3?
- 1...Sxe4
- 2.Qxd4#
- 1...Sd1
- 2.Qxd4#
- 1...Re6
- 2.Rxe6#
- 1...Re7
- 2.Bxd6#
- 1...Ra8
- 2.Re6#
- 1...Rb8
- 2.Re6#
- 1...Rc8
- 2.Re6#
- 1...Rd8
- 2.Re6#
- 1...Bh6
- 2.Bxd6#
- 1...Be7
- 2.Re6#
- 1...Bg7
- 2.Bxd6#
- 1...Sh1
- 2.Qxd4#
- 1...Sd3
- 2.Qxd4#
- 1...Sh3
- 2.Qxd4#
- 1...Sg4
- 2.Qxd4#
- 1...g2
- 2.Qh2#
- 1...d3
- 2.Bb2#
- 1...h3
- 2.Qxg3#
- 1...b4!
- 1...Sxe4
- 1.Bc3?
- threat
- 2.Bxd4#
- 1...Sxe4
- 2.Qxd4#
- 1...dxc3!
- threat
- 1.Bc5?
- threat
- 2.Bxd4#
- 1...Sxe4
- 2.Qxd4#
- 1...d3
- 2.Bd4#
- 1...dxc5!
- threat
- 1.Rg6?
- 1...Bh6
- 2.Bxd6#
- 1...Re6
- 2.Rxe6#
- 1...Re7
- 2.Bxd6#
- 1...Ra8
- 2.Re6#
- 1...Rb8
- 2.Re6#
- 1...Rc8
- 2.Re6#
- 1...Rd8
- 2.Re6#
- 1...Be7
- 2.Re6#
- 1...Bg7
- 2.Bxd6#
- 1...Sd1
- 2.Qxd4#
- 1...Sh1
- 2.Qxd4#
- 1...Sd3
- 2.Qxd4#
- 1...Sh3
- 2.Qxd4#
- 1...Sg4
- 2.Qxd4#
- 1...g2
- 2.Qh2#
- 1...d3
- 2.Bc3#
- 1...h3
- 2.Qxg3#
- 1...Sxe4!
- 1...Bh6
- 1.Qxf2?
- threat
- 2.Qxd4#
- 1...d3
- 2.Bc3#
- 2.Qd4#
- 1...gxf2!
- threat
- 1.Ka1?
- Keys
- 1.Sce3!
- 1...Sxe4
- 2.f4#
- 1...dxe3
- 2.Bc3#
- 1...d3
- 2.Bc3#
- 1...Sd1
- 2.Sg4#
- 1...Re6
- 2.Rxe6#
- 1...Re7
- 2.Bxd6#
- 1...Ra8
- 2.Re6#
- 1...Rb8
- 2.Re6#
- 1...Rc8
- 2.Re6#
- 1...Rd8
- 2.Re6#
- 1...Bh6
- 2.Bxd6#
- 1...Be7
- 2.Re6#
- 1...Bg7
- 2.Bxd6#
- 1...Sh1
- 2.Sg4#
- 1...Sd3
- 2.Sg4#
- 1...Sh3
- 2.Sg4#
- 1...Sg4
- 2.Sxg4#
- 1...g2
- 2.Qh2#
- 1...h3
- 2.Qxg3#
- 1...Sxe4
- 1.Sce3!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 6
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(h);N_GUARD::R1(I),XR(h)
- R(h);S_CUTB(i)::B(E),XP(g)
- R(h);N_GUARD::R1(I)
- B(i);N_GUARD::B(E),XP(g)
- B(i);S_CUTR(h)::R1(I)
- S(a);OGATE::QAB1(B),XP(c)
- S(a);OGATE,XP(F)::QAB1(B),XP(c)
- P(b);OGATEB::QAB(B)
- P(c);OGATEB::B(E)
- P(d);N_GUARD::QAB(B),XP(b)
- Tries
- Try
- K(A);P-FLIGHT
- Vars
- S(a);OGATE,XP(F)::QAB1(B),XP(c)
- R(h);N_GUARD::R1(I),XR(h)
- R(h);S_CUTB(i)::B(E),XP(g)
- R(h);N_GUARD::R1(I)
- B(i);N_GUARD::B(E),XP(g)
- B(i);S_CUTR(h)::R1(I)
- S(a);OGATE::QAB1(B),XP(c)
- P(b);OGATEB::QAB(B)
- P(c);OGATEB::B(E)
- P(d);N_GUARD::QAB(B),XP(b)
- Refutation
- R(h);CHECK
- Try
- K(A);S_FLIGHT
- Vars
- S(a);OGATE,XP(F)::QAB1(B),XP(c)
- R(h);N_GUARD::R1(I),XR(h)
- R(h);S_CUTB(i)::B(E),XP(g)
- R(h);N_GUARD::R1(I)
- B(i);N_GUARD::B(E),XP(g)
- B(i);S_CUTR(h)::R1(I)
- S(a);OGATE::QAB1(B),XP(c)
- P(b);OGATEB::QAB(B)
- P(d);N_GUARD::QAB(B),XP(b)
- Refutation
- R(h);CHECK
- Try
- S(C);
- Vars
- P(c);OGATEB::B(E)
- R(h);N_GUARD::R1(I),XR(h)
- R(h);S_CUTB(i)::B(E),XP(g)
- R(h);N_GUARD::R1(I)
- B(i);N_GUARD::B(E),XP(g)
- B(i);S_CUTR(h)::R1(I)
- S(a);N_GUARD::S(C)
- S(a);N_GUARD::S(C),XS(a)
- P(b);OGATEB::QAB(B)
- P(d);N_GUARD::QAB(B),XP(b)
- Refutation
- S(a);XP(F)
- Try
- B(E);
- Threat
- B(E)
- Vars
- S(a);OGATE,XP(F)::QAB1(B),XP(c)
- S(a);OGATE::QAB1(B),XP(c)
- Refutation
- B(i);
- Try
- B(E);
- Vars
- S(a);OGATE,XP(F)::QAB1(B),XP(c)
- S(a);OGATE::QAB1(B),XP(c)
- R(h);N_GUARD::R1(I),XR(h)
- R(h);S_CUTB(i)::B(E),XP(g)
- R(h);N_GUARD::R1(I)
- B(i);N_GUARD::B(E),XP(g)
- B(i);S_CUTR(h)::R1(I)
- P(b);OGATEB::QAB(B)
- P(c);OGATEB::B(E)
- P(d);N_GUARD::QAB(B),XP(b)
- Refutation
- P(e);
- Try
- B(E);P_PINP(c)
- Threat
- B(E),XP(c)
- Vars
- S(a);OGATE,XP(F)::QAB1(B),XP(c)
- Refutation
- P(c);N_SPINP(c),XB(E)
- Try
- B(E);
- Threat
- B(E),XP(c)
- Vars
- S(a);OGATE,XP(F)::QAB1(B),XP(c)
- P(c);::B(E)
- Refutation
- P(g);XB(E)
- Try
- R(I);
- Vars
- B(i);N_GUARD::B(E),XP(g)
- R(h);N_GUARD::R1(I),XR(h)
- R(h);S_CUTB(i)::B(E),XP(g)
- R(h);N_GUARD::R1(I)
- B(i);S_CUTR(h)::R1(I)
- S(a);OGATE::QAB1(B),XP(c)
- P(b);OGATEB::QAB(B)
- P(c);OGATEB::B(E)
- P(d);N_GUARD::QAB(B),XP(b)
- Refutation
- S(a);XP(F)
- Try
- Q(B);XS(a)
- Threat
- QAB1(B),XP(c)
- Refutation
- P(b);XQ(B)
- Try
- Actual
- S(C);
- Vars
- S(a);SBLOCK,XP(F)::P(D)
- P(c);OGATEB,XS(C)::B(E)
- P(c);OGATEB::B(E)
- S(a);N_GUARD::S(C)
- R(h);N_GUARD::R1(I),XR(h)
- R(h);S_CUTB(i)::B(E),XP(g)
- R(h);N_GUARD::R1(I)
- B(i);N_GUARD::B(E),XP(g)
- B(i);S_CUTR(h)::R1(I)
- S(a);N_GUARD::S(C),XS(a)
- P(b);OGATEB::QAB(B)
- P(d);N_GUARD::QAB(B),XP(b)
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).