MESON Chess Problem Database
Problem Display
PID: 198749 (4KN1b/3P4/6Q1/4kBN1/1R1rP1Pn/p2p2P1/q6B/nb6 w - - 0 1)
Moran, Patrick
Good Companions, 1921
#2
11 + 9
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Qb3
- 2.gxh4#
- 1...Qc4
- 2.gxh4#
- 1...Qd5
- 2.gxh4#
- 1...Qe6+
- 2.Qxe6#
- 1...Qf7+
- 2.Sxf7#
- 1...Qg8
- 2.gxh4#
- 1...Qb2
- 2.Sf7#
- 2.Qe6#
- 1...Qc2
- 2.Sf7#
- 2.Qe6#
- 1...Qd2
- 2.Sf7#
- 2.Qe6#
- 1...Qe2
- 2.Sf7#
- 2.Qe6#
- 1...Qf2
- 2.Sf7#
- 2.Qe6#
- 1...Qg2
- 2.Sf7#
- 2.Qe6#
- 1...Qxh2
- 2.Sf7#
- 2.Qe6#
- 1...Rd5
- 2.Sf7#
- 2.Qe6#
- 1...Rxd7
- 2.Sxd7#
- 1...Bc2
- 2.gxh4#
- 1...Sc2
- 2.gxh4#
- 1...Sb3
- 2.Sf7#
- 2.Qe6#
- 1...Sg2
- 2.Sf3#
- 1...Sf3
- 2.Sxf3#
- 1...d2
- 2.gxh4#
- 1...Qb3
- Tries
- 1.Rb5+?
- 1...Qd5
- 2.Sf7#
- 2.Qe6#
- 2.gxh4#
- 1...Rd5!
- 1...Qd5
- 1.d8Q?
- threat
- 2.Qxd4#
- 1...Qe6+
- 2.Qxe6#
- 1...Qf7+
- 2.Sxf7#
- 1...Rxb4
- 2.Qgd6#
- 2.Qdd6#
- 1...Rxe4
- 2.Rxe4#
- 2.Qgd6#
- 2.Qdd6#
- 1...Sxf5
- 2.Qxf5#
- 1...Qc4
- 2.gxh4#
- 1...Qd5
- 2.gxh4#
- 1...Qb2
- 2.Sf7#
- 2.Qe7#
- 2.Qe6#
- 1...Qf2
- 2.Sf7#
- 2.Qe7#
- 2.Qe6#
- 1...Rc4
- 2.Sf7#
- 2.Qgd6#
- 2.Qe6#
- 2.Qd5#
- 2.Qdd6#
- 1...Rd5
- 2.Sf7#
- 2.Qe7#
- 2.Qe6#
- 1...Rd6
- 2.Qgxd6#
- 2.Qdxd6#
- 1...Rd7
- 2.Sxd7#
- 1...Sc2
- 2.gxh4#
- 1...Sb3
- 2.Sf7#
- 2.Qe7#
- 2.Qe6#
- 1...Sf3
- 2.Sxf3#
- 1...Rxd8+!
- threat
- 1.Rb5+?
- Keys
- 1.Ke7!
- 1...Qe6+
- 2.Qxe6#
- 1...Qf7+
- 2.Sxf7#
- 1...Rxd7+
- 2.Sxd7#
- 1...Bf6+
- 2.Qxf6#
- 1...Sxf5+
- 2.Qxf5#
- 1...Sxg6+
- 2.Sxg6#
- 1...Qxh2
- 2.Sf7#
- 2.Qe6#
- 1...Rxb4
- 2.Qd6#
- 1...Rxe4
- 2.Qd6#
- 1...Rc4
- 2.Qd6#
- 1...Qb3
- 2.gxh4#
- 1...Qc4
- 2.gxh4#
- 1...Qd5
- 2.gxh4#
- 1...Qg8
- 2.gxh4#
- 1...Qb2
- 2.Sf7#
- 2.Qe6#
- 1...Qc2
- 2.Sf7#
- 2.Qe6#
- 1...Qd2
- 2.Sf7#
- 2.Qe6#
- 1...Qe2
- 2.Sf7#
- 2.Qe6#
- 1...Qf2
- 2.Sf7#
- 2.Qe6#
- 1...Qg2
- 2.Sf7#
- 2.Qe6#
- 1...Rd5
- 2.Sf7#
- 2.Qe6#
- 1...Rd6
- 2.Qxd6#
- 1...Bc2
- 2.gxh4#
- 1...Bg7
- 2.Qxg7#
- 1...Sc2
- 2.gxh4#
- 1...Sb3
- 2.Sf7#
- 2.Qe6#
- 1...Sg2
- 2.Sf3#
- 1...Sf3
- 2.Sxf3#
- 1...d2
- 2.gxh4#
- 1...Qe6+
- 1.Ke7!
This is a version of 101137
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 0
- Sets
- Q(c);N_GUARD::B(A)+P(B),XS(g)
- Q(c);CHECK,N_GUARD::QAR1(H),XQ(c)
- Q(c);CHECK,N_GUARD::S(G),XQ(c)
- Q(c);N_GUARD,P_PINS(K)::B(A)+P(B),XS(g)
- R(f);XP(I)::S(K),XR(f)
- B(b);S_CUTQ(c)::B(A)+P(B),XS(g)
- S(a);S_CUTQ(c)::B(A)+P(B),XS(g)
- S(g);N_GUARD::S(G)
- S(g);N_GUARD::S(G),XS(g)
- P(e);S_CUTQ(c)::B(A)+P(B),XS(g)
- Tries
- Try
- R(C);CHECK
- Refutation
- R(f);P_SPINR(f)
- Try
- P(I);
- Threat
- QAB1(I),XR(f)
- Vars
- Q(c);CHECK,N_GUARD::QAR1(H),XQ(c)
- Q(c);CHECK,N_GUARD::S(G),XQ(c)
- S(g);OGATE,XB(F)::QAR1(H),XS(g)
- Q(c);N_GUARD::B(A)+P(B),XS(g)
- R(f);N_GUARD::S(K),XR(f)
- S(a);S_CUTQ(c)::B(A)+P(B),XS(g)
- S(g);N_GUARD::S(G),XS(g)
- Refutation
- R(f);CHECK,XQ(I)
- Try
- Actual
- K(J);P-FLIGHT
- Vars
- Q(c);CHECK,N_GUARD::QAR1(H),XQ(c)
- Q(c);CHECK,N_GUARD::S(G),XQ(c)
- R(f);CHECK,XP(I)::S(K),XR(f)
- B(i);CHECK,N_GUARD::QAB1(H),XB(i)
- S(g);CHECK,OGATE,XB(F)::QAR1(H),XS(g)
- S(g);CHECK,XQ(H)::S(K),XS(g)
- R(f);N_GUARD,XR(C)::QAB1(H)
- R(f);N_GUARD,XP(D)::QAB1(H)
- R(f);N_GUARD::QAB1(H)
- Q(c);N_GUARD::B(A)+P(B),XS(g)
- R(f);N_GUARD::QAB1(H),XR(f)
- B(b);S_CUTQ(c)::B(A)+P(B),XS(g)
- B(i);N_GUARD::QAB(H),XB(i)
- S(a);S_CUTQ(c)::B(A)+P(B),XS(g)
- S(g);N_GUARD::S(G)
- S(g);N_GUARD::S(G),XS(g)
- P(e);S_CUTQ(c)::B(A)+P(B),XS(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).