MESON Chess Problem Database
Problem Display
PID: 9733 (2Nn4/1B1KP3/b1N2pP1/r4k2/r2p1PR1/bQ1p3P/3P4/4R3 w - - 0 1)
Marble, Murray
White, Alain Campbell
Bolton Football Field, 1909
#2
12 + 9
| 15 | British Chess Magazine | 1909 |
| 2207 | To Alain White | 1945 |
| 5424 | Versunkene Schatze | 1998 |
| 56 | The Problemist | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rb4
- 2.Sd6#
- 1...Rc4
- 2.Qxd3#
- 1...Rb5
- 2.Qxd3#
- 1...Rc5
- 2.Sd6#
- 1...Rd5+
- 2.Qxd5#
- 1...Bc1
- 2.Sd6#
- 1...Bb2
- 2.Sd6#
- 1...Bb4
- 2.Sxd4#
- 1...Bc5
- 2.Qd5#
- 1...Bd6
- 2.Sxd6#
- 1...Bxe7
- 2.S6xe7#
- 2.S8xe7#
- 1...Bc4
- 2.Sxd4#
- 1...Bb5
- 2.Qd5#
- 1...Bxb7
- 2.Qxd3#
- 1...Sxc6
- 2.Qe6#
- 1...Se6
- 2.Qxe6#
- 1...Sxb7
- 2.Qe6#
- 1...Sf7
- 2.Qe6#
- 1...Rb4
- Tries
- 1.Kc7?
- 1...Bd6+
- 2.Sxd6#
- 1...Se6+
- 2.Qxe6#
- 1...Bxe7
- 2.S6xe7#
- 2.S8xe7#
- 1...Bxb7
- 2.Qxd3#
- 1...Sxc6
- 2.Qe6#
- 1...Sxb7
- 2.Qe6#
- 1...Rb4
- 2.Sd6#
- 1...Rc4
- 2.Qxd3#
- 1...Rb5
- 2.Qxd3#
- 1...Rc5
- 2.Sd6#
- 1...Rd5
- 2.Qxd5#
- 1...Bc1
- 2.Sd6#
- 1...Bb2
- 2.Sd6#
- 1...Bb4
- 2.Sxd4#
- 1...Bc5
- 2.Qd5#
- 1...Bc4
- 2.Sxd4#
- 1...Bb5
- 2.Qd5#
- 1...Sf7
- 2.Qe6#
- 1...Re5!
- 1...Bd6+
- 1.Kxd8?
- threat
- 2.Qe6#
- 1...Rd5+
- 2.Qxd5#
- 1...Bxe7+
- 2.S6xe7#
- 2.S8xe7#
- 1...Rc4
- 2.Qxd3#
- 1...Bc4
- 2.Sxd4#
- 1...Re5!
- threat
- 1.Ke8?
- 1...Bxe7
- 2.S6xe7#
- 2.S8xe7#
- 1...Bxb7
- 2.Qxd3#
- 1...Sxc6
- 2.Qe6#
- 1...Sxb7
- 2.Qe6#
- 1...Rb4
- 2.Sd6#
- 1...Rc4
- 2.Qxd3#
- 1...Rb5
- 2.Qxd3#
- 1...Rc5
- 2.Sd6#
- 1...Rd5
- 2.Qxd5#
- 1...Bc1
- 2.Sd6#
- 1...Bb2
- 2.Sd6#
- 1...Bb4
- 2.Sxd4#
- 1...Bc5
- 2.Qd5#
- 1...Bd6
- 2.Sxd6#
- 1...Bc4
- 2.Sxd4#
- 1...Bb5
- 2.Qd5#
- 1...Se6
- 2.Qxe6#
- 1...Sf7
- 2.Qe6#
- 1...Re5!
- 1...Bxe7
- 1.Sb4?
- threat
- 2.Sd6#
- 2.Be4#
- 1...Rd5+
- 2.Qxd5#
- 1...Bxb4
- 2.Be4#
- 1...Bxb7
- 2.Sd6#
- 1...Sxb7
- 2.Qe6#
- 1...Re5
- 2.Sd6#
- 1...Sc6
- 2.Sd6#
- 2.Qe6#
- 1...Sf7
- 2.Be4#
- 2.Qe6#
- 1...Bb5+!
- threat
- 1.Bxa6?
- threat
- 2.Bxd3#
- 2.Qxd3#
- 1...Rd5+
- 2.Qxd5#
- 1...Rxa6
- 2.Qd5#
- 2.Qxd3#
- 1...Rc4
- 2.Qxd3#
- 1...Rb5
- 2.Qxd3#
- 1...Re5!
- threat
- 1.Qc4?
- threat
- 2.Sxd4#
- 1...Rd5+
- 2.Qxd5#
- 1...Sxc6
- 2.Qe6#
- 1...Bb2
- 2.Sd6#
- 1...Bc5
- 2.Qd5#
- 1...Bb5
- 2.Qd5#
- 1...Se6
- 2.Qxe6#
- 1...Rxc4!
- threat
- 1.Qb4?
- threat
- 2.Sxd4#
- 2.Sd6#
- 1...Rxb4
- 2.Sd6#
- 1...Bxb4
- 2.Sxd4#
- 1...Sxc6
- 2.Sd6#
- 1...Sxb7
- 2.Sxd4#
- 1...Bb2
- 2.Sd6#
- 1...Bb5
- 2.Sd6#
- 1...Se6
- 2.Sd6#
- 1...Sf7
- 2.Sxd4#
- 1...Rd5+!
- threat
- 1.g7?
- 1...Rd5+
- 2.Qxd5#
- 1...Bxe7
- 2.S6xe7#
- 2.S8xe7#
- 1...Bxb7
- 2.Qxd3#
- 1...Sxc6
- 2.Qe6#
- 1...Sxb7
- 2.Qe6#
- 1...Rb4
- 2.Sd6#
- 1...Rc4
- 2.Qxd3#
- 1...Rb5
- 2.Qxd3#
- 1...Rc5
- 2.Sd6#
- 1...Bc1
- 2.Sd6#
- 1...Bb2
- 2.Sd6#
- 1...Bb4
- 2.Sxd4#
- 1...Bc5
- 2.Qd5#
- 1...Bd6
- 2.Sxd6#
- 1...Bc4
- 2.Sxd4#
- 1...Bb5
- 2.Qd5#
- 1...Se6
- 2.Qxe6#
- 1...Sf7
- 2.Qe6#
- 1...Re5!
- 1...Rd5+
- 1.exd8Q?
- threat
- 2.Qe6#
- 1...Rd5+
- 2.Qxd5#
- 1...Rc4
- 2.Qxd3#
- 1...Bc4
- 2.Sxd4#
- 1...Re5!
- threat
- 1.exd8S?
- threat
- 2.Qe6#
- 1...Rd5+
- 2.Qxd5#
- 1...Rc4
- 2.Qxd3#
- 1...Bc4
- 2.Sxd4#
- 1...Re5!
- threat
- 1.exd8B?
- threat
- 2.Qe6#
- 1...Rd5+
- 2.Qxd5#
- 1...Rc4
- 2.Qxd3#
- 1...Bc4
- 2.Sxd4#
- 1...Re5!
- threat
- 1.exd8R?
- threat
- 2.Qe6#
- 1...Rd5+
- 2.Qxd5#
- 1...Rc4
- 2.Qxd3#
- 1...Bc4
- 2.Sxd4#
- 1...Re5!
- threat
- 1.e8Q?
- threat
- 2.Qe4#
- 1...Rd5+
- 2.Qxd5#
- 1...Be7
- 2.S6xe7#
- 2.S8xe7#
- 1...Se6
- 2.Qbxe6#
- 2.Qexe6#
- 1...Re5!
- threat
- 1.e8S?
- threat
- 2.Sg7#
- 1...Rd5+
- 2.Qxd5#
- 1...Se6
- 2.Qxe6#
- 1...Bf8!
- threat
- 1.Kc7?
- Keys
- 1.Rf1!
- 1...Rd5+
- 2.Qxd5#
- 1...Ke4
- 2.f5#
- 1...Bxe7
- 2.S6xe7#
- 1...Bxb7
- 2.Qxd3#
- 1...Sxc6
- 2.Qe6#
- 1...Sxb7
- 2.Qe6#
- 1...Re5
- 2.fxe5#
- 1...Rb4
- 2.Sd6#
- 1...Rc4
- 2.Qxd3#
- 1...Rb5
- 2.Qxd3#
- 1...Rc5
- 2.Sd6#
- 1...Bc1
- 2.Sd6#
- 1...Bb2
- 2.Sd6#
- 1...Bb4
- 2.Sxd4#
- 1...Bc5
- 2.Qd5#
- 1...Bd6
- 2.Sxd6#
- 1...Bc4
- 2.Sxd4#
- 1...Bb5
- 2.Qd5#
- 1...Se6
- 2.Qxe6#
- 1...Sf7
- 2.Qe6#
- 1...Rd5+
- 1.Rf1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- R(c);S_CUTB(a)::S(L)
- R(c);S_CUTB(g)::QAB(C),XP(b)
- R(e);S_CUTB(g)::QAB(C),XP(b)
- R(e);S_CUTB(a)::S(L)
- R(e);CHECK,N_GUARD::QAR2(C),XR(e)
- B(a);N_GUARD::S(L)
- B(a);S_CUTR(c)::S(G),XP(d)
- B(a);S_CUTR(e)::QAR2(C)
- B(a);N_GUARD::S(L),XB(a)
- B(g);S_CUTR(c)::S(G),XP(d)
- B(g);P_PINS(G),S_CUTR(e)::QAR2(C)
- B(g);N_GUARD,XB(I)::QAB(C),XP(b)
- S(i);N_GUARD,XS(G)::QAB1(C)
- S(i);N_GUARD::QAB1(C),XS(i)
- S(i);N_GUARD,XB(I)::QAB1(C)
- S(i);N_GUARD::QAB1(C)
- Tries
- Try
- K(J);P-FLIGHT
- Vars
- B(a);CHECK,N_GUARD::S(L),XB(a)
- S(i);CHECK,N_GUARD::QAB1(C),XS(i)
- B(g);N_GUARD,XB(I)::QAB(C),XP(b)
- S(i);N_GUARD,XS(G)::QAB1(C)
- S(i);N_GUARD,XB(I)::QAB1(C)
- R(c);S_CUTB(a)::S(L)
- R(c);P_PINS(G),S_CUTB(g)::QAB(C),XP(b)
- R(e);S_CUTB(g)::QAB(C),XP(b)
- R(e);P_PINS(G),S_CUTB(a)::S(L)
- R(e);N_GUARD::QAR2(C),XR(e)
- B(a);N_GUARD::S(L)
- B(a);S_CUTR(c)::S(G),XP(d)
- B(a);S_CUTR(e)::QAR2(C)
- B(g);S_CUTR(c)::S(G),XP(d)
- B(g);S_CUTR(e)::QAR2(C)
- S(i);N_GUARD::QAB1(C)
- Refutation
- R(e);
- Try
- K(J);P-FLIGHT,XS(i)
- Threat
- QAB1(C)
- Vars
- R(e);CHECK,N_GUARD::QAR2(C),XR(e)
- R(c);S_CUTB(g)::QAB(C),XP(b)
- B(g);S_CUTR(c)::S(G),XP(d)
- Refutation
- R(e);
- Try
- K(J);S_FLIGHT
- Vars
- B(g);N_GUARD,XB(I)::QAB(C),XP(b)
- S(i);N_GUARD,XS(G)::QAB1(C)
- S(i);N_GUARD,XB(I)::QAB1(C)
- R(c);S_CUTB(a)::S(L)
- R(c);S_CUTB(g)::QAB(C),XP(b)
- R(e);S_CUTB(g)::QAB(C),XP(b)
- R(e);S_CUTB(a)::S(L)
- R(e);N_GUARD::QAR2(C),XR(e)
- B(a);N_GUARD::S(L)
- B(a);S_CUTR(c)::S(G),XP(d)
- B(a);S_CUTR(e)::QAR2(C)
- B(a);N_GUARD::S(L),XB(a)
- B(g);S_CUTR(c)::S(G),XP(d)
- B(g);P_PINS(G),S_CUTR(e)::QAR2(C)
- S(i);N_GUARD::QAB1(C),XS(i)
- S(i);N_GUARD::QAB1(C)
- Refutation
- R(e);P_PINP(K)
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- R(e);CHECK,N_GUARD::QAR2(C),XR(e)
- B(a);XS(G)::B(I)
- B(g);XB(I)::S(L)
- S(i);N_GUARD,XB(I)::QAB1(C)
- R(e);::S(L)
- Refutation
- B(g);CHECK
- Try
- B(I);XB(g)
- Threat
- DUALS(2)
- Vars
- R(e);CHECK,N_GUARD::QAR2(C),XR(e)
- R(c);::QAB(C),XP(b)
- R(e);::QAB(C),XP(b)
- Refutation
- R(e);
- Try
- Q(C);
- Threat
- S(G),XP(d)
- Vars
- R(e);CHECK,N_GUARD::QAR2(C),XR(e)
- S(i);N_GUARD,XS(G)::QAB1(C)
- B(a);N_GUARD::S(L)
- B(a);S_CUTR(e)::QAR2(C)
- B(g);P_PINS(G),S_CUTR(e)::QAR2(C)
- S(i);N_GUARD::QAB1(C),XS(i)
- Refutation
- R(c);XQ(C)
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- R(c);XQ(C)::S(L)
- B(a);XQ(C)::S(G),XP(d)
- S(i);XS(G)::S(L)
- S(i);XB(I)::S(G),XP(d)
- B(a);::S(L)
- B(g);P_PINS(G)::S(L)
- S(i);::S(L)
- S(i);::S(G),XP(d)
- Refutation
- R(e);CHECK
- Try
- P(H);
- Vars
- R(e);CHECK,N_GUARD::QAR2(C),XR(e)
- B(g);N_GUARD,XB(I)::QAB(C),XP(b)
- S(i);N_GUARD,XS(G)::QAB1(C)
- S(i);N_GUARD,XB(I)::QAB1(C)
- R(c);S_CUTB(a)::S(L)
- R(c);S_CUTB(g)::QAB(C),XP(b)
- R(e);S_CUTB(g)::QAB(C),XP(b)
- R(e);S_CUTB(a)::S(L)
- B(a);N_GUARD::S(L)
- B(a);S_CUTR(c)::S(G),XP(d)
- B(a);S_CUTR(e)::QAR2(C)
- B(a);N_GUARD::S(L),XB(a)
- B(g);S_CUTR(c)::S(G),XP(d)
- B(g);P_PINS(G),S_CUTR(e)::QAR2(C)
- S(i);N_GUARD::QAB1(C),XS(i)
- S(i);N_GUARD::QAB1(C)
- Refutation
- R(e);
- Try
- P(K);XS(i)
- Threat
- QAB1(C)
- Vars
- R(e);CHECK,N_GUARD::QAR2(C),XR(e)
- R(c);S_CUTB(g)::QAB(C),XP(b)
- B(g);S_CUTR(c)::S(G),XP(d)
- Refutation
- R(e);
- Try
- P(K);XS(i)
- Threat
- QAB1(C)
- Vars
- R(e);CHECK,N_GUARD::QAR2(C),XR(e)
- R(c);S_CUTB(g)::QAB(C),XP(b)
- B(g);S_CUTR(c)::S(G),XP(d)
- Refutation
- R(e);
- Try
- P(K);XS(i)
- Threat
- QAB1(C)
- Vars
- R(e);CHECK,N_GUARD::QAR2(C),XR(e)
- R(c);S_CUTB(g)::QAB(C),XP(b)
- B(g);S_CUTR(c)::S(G),XP(d)
- Refutation
- R(e);
- Try
- P(K);XS(i)
- Threat
- QAB1(C)
- Vars
- R(e);CHECK,N_GUARD::QAR2(C),XR(e)
- R(c);S_CUTB(g)::QAB(C),XP(b)
- B(g);S_CUTR(c)::S(G),XP(d)
- Refutation
- R(e);
- Try
- P(K);
- Threat
- QAB1(K)
- Vars
- R(e);CHECK,N_GUARD::QAR2(C),XR(e)
- Refutation
- R(e);
- Try
- P(K);
- Threat
- S(K)
- Vars
- R(e);CHECK,N_GUARD::QAR2(C),XR(e)
- S(i);N_GUARD::QAB1(C),XS(i)
- Refutation
- B(a);
- Try
- Actual
- R(A);
- Vars
- R(e);CHECK,N_GUARD::QAR2(C),XR(e)
- K(f);OGATE,S_FLIGHT::R(F)+P(E)
- B(a);XP(K)::S(G),XB(a)
- B(g);N_GUARD,XB(I)::QAB(C),XP(b)
- S(i);N_GUARD,XS(G)::QAB1(C)
- S(i);N_GUARD,XB(I)::QAB1(C)
- R(e);OGATE::R(A)+P(E),XR(e)
- R(c);S_CUTB(a)::S(L)
- R(c);S_CUTB(g)::QAB(C),XP(b)
- R(e);S_CUTB(g)::QAB(C),XP(b)
- R(e);S_CUTB(a)::S(L)
- B(a);N_GUARD::S(L)
- B(a);S_CUTR(c)::S(G),XP(d)
- B(a);S_CUTR(e)::QAR2(C)
- B(a);N_GUARD::S(L),XB(a)
- B(g);S_CUTR(c)::S(G),XP(d)
- B(g);P_PINS(G),S_CUTR(e)::QAR2(C)
- S(i);N_GUARD::QAB1(C),XS(i)
- S(i);N_GUARD::QAB1(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).