MESON Chess Problem Database
Problem Display
PID: 5003 (3K1Q1b/p1B5/1p6/3p2P1/r2k3r/2R1R3/2p4N/n1Nb4 w - - 0 1)
Blake, Percy Francis
The Times Weekly Edition, 1896
#2
8 + 10
| 15 | British Chess Magazine | 1911 |
| 881 | The Australasian Chess Review | 1929 |
| 5454 | Near Snap | 2015 |
SOLUTION
- SOUND
- Sets
- 1...Ra2
- 2.Qb4#
- 1...Ra3
- 2.Qb4#
- 1...Rb4
- 2.Qxb4#
- 1...Rc4
- 2.Rcd3#
- 1...Ra5
- 2.Qb4#
- 1...Ra6
- 2.Qb4#
- 1...Rxh2
- 2.Qf4#
- 1...Rh3
- 2.Qf4#
- 1...Re4
- 2.Red3#
- 1...Rf4
- 2.Qxf4#
- 1...Rg4
- 2.Qxh8#
- 1...Rh5
- 2.Qf4#
- 1...Rh6
- 2.Qf4#
- 1...Rh7
- 2.Qf4#
- 1...Be2
- 2.Sxe2#
- 1...Bf3
- 2.Sxf3#
- 1...Bg4
- 2.Qf4#
- 1...Bh5
- 2.Qxh8#
- 1...Be5
- 2.Bxe5#
- 1...Bf6+
- 2.Qxf6#
- 1...Bg7
- 2.Qxg7#
- 1...Sb3
- 2.Sxb3#
- 1...b5
- 2.Qc5#
- 1...a5
- 2.Bxb6#
- 1...a6
- 2.Bxb6#
- 1...Ra2
- Tries
- 1.Kc8?
- 1...Rxh2
- 2.Qf4#
- 1...Ra2
- 2.Qb4#
- 1...Ra3
- 2.Qb4#
- 1...Rb4
- 2.Qxb4#
- 1...Rc4
- 2.Rcd3#
- 1...Ra5
- 2.Qb4#
- 1...Ra6
- 2.Qb4#
- 1...Rh3
- 2.Qf4#
- 1...Re4
- 2.Red3#
- 1...Rf4
- 2.Qxf4#
- 1...Rg4
- 2.Qxh8#
- 1...Rh5
- 2.Qf4#
- 1...Rh6
- 2.Qf4#
- 1...Rh7
- 2.Qf4#
- 1...Be2
- 2.Sxe2#
- 1...Bf3
- 2.Sxf3#
- 1...Bh5
- 2.Qxh8#
- 1...Be5
- 2.Bxe5#
- 1...Bf6
- 2.Qxf6#
- 1...Bg7
- 2.Qxg7#
- 1...Sb3
- 2.Sxb3#
- 1...b5
- 2.Qc5#
- 1...a5
- 2.Bxb6#
- 1...a6
- 2.Bxb6#
- 1...Bg4+!
- 1...Rxh2
- 1.Sf1?
- 1...Bf6+
- 2.Qxf6#
- 1...Ra2
- 2.Qb4#
- 1...Ra3
- 2.Qb4#
- 1...Rb4
- 2.Qxb4#
- 1...Rc4
- 2.Rcd3#
- 1...Ra5
- 2.Qb4#
- 1...Ra6
- 2.Qb4#
- 1...Rh1
- 2.Qf4#
- 1...Rh2
- 2.Qf4#
- 1...Rh3
- 2.Qf4#
- 1...Re4
- 2.Red3#
- 1...Rf4
- 2.Qxf4#
- 1...Rg4
- 2.Qxh8#
- 1...Rh5
- 2.Qf4#
- 1...Rh6
- 2.Qf4#
- 1...Rh7
- 2.Qf4#
- 1...Be2
- 2.Sxe2#
- 1...Bg4
- 2.Qf4#
- 1...Bh5
- 2.Qxh8#
- 1...Be5
- 2.Bxe5#
- 1...Bg7
- 2.Qxg7#
- 1...Sb3
- 2.Sxb3#
- 1...b5
- 2.Qc5#
- 1...a5
- 2.Bxb6#
- 1...a6
- 2.Bxb6#
- 1...Bf3!
- 1...Bf6+
- 1.Sg4?
- threat
- 2.Qf4#
- 1...Bf6+
- 2.Qxf6#
- 1...Rxg4
- 2.Qxh8#
- 1...Rc4
- 2.Rcd3#
- 1...Be5
- 2.Bxe5#
- 1...Bf3!
- threat
- 1.Qe7?
- threat
- 2.Red3#
- 1...Be2
- 2.Sxe2#
- 1...Be5
- 2.Bxe5#
- 2.Qxe5#
- 1...Rh3!
- threat
- 1.Qf1?
- threat
- 2.Qd3#
- 1...Bf6+
- 2.Qxf6#
- 1...Be2
- 2.Sxe2#
- 1...Rc4!
- threat
- 1.Qf2?
- threat
- 2.Qd2#
- 1...Bf6+
- 2.Qxf6#
- 1...Rxh2
- 2.Qf4#
- 1...Be2
- 2.Sxe2#
- 1...Sb3
- 2.Sxb3#
- 1...Rc4!
- threat
- 1.Qf3?
- threat
- 2.Red3#
- 1...Bf6+
- 2.Qxf6#
- 1...Bxf3
- 2.Sxf3#
- 1...Be2
- 2.Sxe2#
- 1...Rc4!
- threat
- 1.Qf5?
- threat
- 2.Red3#
- 2.Qd3#
- 1...Bf6+
- 2.Qxf6#
- 1...Rh3
- 2.Qd3#
- 2.Qf4#
- 1...Re4
- 2.Red3#
- 1...Be2
- 2.Sxe2#
- 1...Rc4!
- threat
- 1.Kc8?
- Keys
- 1.g6!
- 1...Bf6+
- 2.Qxf6#
- 1...Rxh2
- 2.Qf4#
- 1...Bf3
- 2.Sxf3#
- 1...Ra2
- 2.Qb4#
- 1...Ra3
- 2.Qb4#
- 1...Rb4
- 2.Qxb4#
- 1...Rc4
- 2.Rcd3#
- 1...Ra5
- 2.Qb4#
- 1...Ra6
- 2.Qb4#
- 1...Rh3
- 2.Qf4#
- 1...Re4
- 2.Red3#
- 1...Rf4
- 2.Qxf4#
- 1...Rg4
- 2.Qxh8#
- 1...Rh5
- 2.Qf4#
- 1...Rh6
- 2.Qf4#
- 1...Rh7
- 2.Qf4#
- 1...Be2
- 2.Sxe2#
- 1...Bg4
- 2.Qf4#
- 1...Bh5
- 2.Qxh8#
- 1...Be5
- 2.Bxe5#
- 1...Bg7
- 2.Qxg7#
- 1...Sb3
- 2.Sxb3#
- 1...b5
- 2.Qc5#
- 1...a5
- 2.Bxb6#
- 1...a6
- 2.Bxb6#
- 1...Bf6+
- 1.g6!
Anticipated by 137507(1881)
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(d);N_GUARD::QAR2(H)
- R(d);N_GUARD::QAR2(H),XR(d)
- R(d);SBLOCK::R1(C)
- R(f);N_GUARD,XS(B)::QAR2(H)
- R(f);N_GUARD::QAR2(H)
- R(f);SBLOCK::R1(D)
- R(f);N_GUARD::QAR2(H),XR(f)
- R(f);N_GUARD::QAB(H),XB(j)
- B(b);N_GUARD::S(A),XB(b)
- B(b);N_GUARD::S(B),XB(b)
- B(b);S_CUTR(f)::QAR2(H)
- B(b);S_CUTR(f)::QAB(H),XB(j)
- B(j);N_GUARD::B(F),XB(j)
- B(j);CHECK,N_GUARD::QAB(H),XB(j)
- B(j);N_GUARD::QAB(H),XB(j)
- S(a);N_GUARD::S(A),XS(a)
- P(h);N_GUARD::QAB1(H)
- P(i);N_GUARD::B(F),XP(h)
- Tries
- Try
- K(G);P-FLIGHT
- Vars
- R(f);N_GUARD,XS(B)::QAR2(H)
- R(d);N_GUARD::QAR2(H)
- R(d);N_GUARD::QAR2(H),XR(d)
- R(d);P_PINB(F),SBLOCK::R1(C)
- R(f);N_GUARD::QAR2(H)
- R(f);SBLOCK::R1(D)
- R(f);N_GUARD::QAR2(H),XR(f)
- R(f);N_GUARD::QAB(H),XB(j)
- B(b);N_GUARD::S(A),XB(b)
- B(b);N_GUARD::S(B),XB(b)
- B(b);S_CUTR(f)::QAB(H),XB(j)
- B(j);N_GUARD::B(F),XB(j)
- B(j);N_GUARD::QAB(H),XB(j)
- S(a);N_GUARD::S(A),XS(a)
- P(h);N_GUARD::QAB1(H)
- P(i);N_GUARD::B(F),XP(h)
- Refutation
- B(b);CHECK
- Try
- S(B);
- Vars
- B(j);CHECK,N_GUARD::QAB(H),XB(j)
- R(d);N_GUARD::QAR2(H)
- R(d);N_GUARD::QAR2(H),XR(d)
- R(d);SBLOCK::R1(C)
- R(f);N_GUARD::QAR2(H)
- R(f);SBLOCK::R1(D)
- R(f);N_GUARD::QAR2(H),XR(f)
- R(f);N_GUARD::QAB(H),XB(j)
- B(b);N_GUARD::S(A),XB(b)
- B(b);S_CUTR(f)::QAR2(H)
- B(b);S_CUTR(f)::QAB(H),XB(j)
- B(j);N_GUARD::B(F),XB(j)
- B(j);N_GUARD::QAB(H),XB(j)
- S(a);N_GUARD::S(A),XS(a)
- P(h);N_GUARD::QAB1(H)
- P(i);N_GUARD::B(F),XP(h)
- Refutation
- B(b);
- Try
- S(B);
- Threat
- QAR2(H)
- Vars
- B(j);CHECK,N_GUARD::QAB(H),XB(j)
- R(f);N_GUARD,XS(B)::QAB(H),XB(j)
- R(d);SBLOCK::R1(C)
- B(j);N_GUARD::B(F),XB(j)
- Refutation
- B(b);
- Try
- Q(H);
- Threat
- R1(D)
- Vars
- B(b);N_GUARD::S(A),XB(b)
- Refutation
- R(f);
- Try
- Q(H);
- Threat
- QAR1(H)
- Vars
- B(j);CHECK,N_GUARD::QAB(H),XB(j)
- B(b);N_GUARD::S(A),XB(b)
- Refutation
- R(d);
- Try
- Q(H);
- Threat
- QAR2(H)
- Vars
- B(j);CHECK,N_GUARD::QAB(H),XB(j)
- R(f);N_GUARD,XS(B)::QAR2(H)
- B(b);N_GUARD::S(A),XB(b)
- S(a);N_GUARD::S(A),XS(a)
- Refutation
- R(d);
- Try
- Q(H);
- Threat
- R1(D)
- Vars
- B(j);CHECK,N_GUARD::QAB(H),XB(j)
- B(b);XQ(H)::S(B),XB(b)
- B(b);N_GUARD::S(A),XB(b)
- Refutation
- R(d);
- Try
- Q(H);
- Threat
- DUALS(2)
- Vars
- B(j);CHECK,N_GUARD::QAB(H),XB(j)
- R(f);::R1(D)
- B(b);N_GUARD::S(A),XB(b)
- Refutation
- R(d);
- Try
- Actual
- P(E);
- Vars
- B(j);CHECK,N_GUARD::QAB(H),XB(j)
- R(f);N_GUARD,XS(B)::QAR2(H)
- B(b);N_GUARD::S(B),XB(b)
- R(d);N_GUARD::QAR2(H)
- R(d);N_GUARD::QAR2(H),XR(d)
- R(d);SBLOCK::R1(C)
- R(f);N_GUARD::QAR2(H)
- R(f);SBLOCK::R1(D)
- R(f);N_GUARD::QAR2(H),XR(f)
- R(f);N_GUARD::QAB(H),XB(j)
- B(b);N_GUARD::S(A),XB(b)
- B(b);S_CUTR(f)::QAR2(H)
- B(b);S_CUTR(f)::QAB(H),XB(j)
- B(j);N_GUARD::B(F),XB(j)
- B(j);N_GUARD::QAB(H),XB(j)
- S(a);N_GUARD::S(A),XS(a)
- P(h);N_GUARD::QAB1(H)
- P(i);N_GUARD::B(F),XP(h)
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).