MESON Chess Problem Database
Problem Display
PID: 208111 (8/2p5/2R5/4n3/4kP2/2P3P1/3QP3/K3R3 w - - 0 1)
Martindale, Frank W
Watertown (New York) Re-Union, 1874
#2
8 + 3
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Sd3
- 2.Qxd3#
- 1...Sf3
- 2.Qd3#
- 1...Sc4
- 2.Qd3#
- 1...Sg4
- 2.Qd3#
- 1...Sxc6
- 2.Qd3#
- 1...Sg6
- 2.Qd3#
- 1...Sd7
- 2.Qd3#
- 1...Sf7
- 2.Qd3#
- 1...Sd3
- Tries
- 1.Kb1?
- 1...Sxc6
- 2.Qd3#
- 1...Sd3
- 2.Qxd3#
- 1...Sf3
- 2.Qd3#
- 1...Sc4
- 2.Qd3#
- 1...Sg4
- 2.Qd3#
- 1...Sg6
- 2.Qd3#
- 1...Sd7
- 2.Qd3#
- 1...Sf7
- 2.Qd3#
- 1...Kf5!
- 1...Sxc6
- 1.Ka2?
- 1...Sxc6
- 2.Qd3#
- 1...Sd3
- 2.Qxd3#
- 1...Sf3
- 2.Qd3#
- 1...Sc4
- 2.Qd3#
- 1...Sg4
- 2.Qd3#
- 1...Sg6
- 2.Qd3#
- 1...Sd7
- 2.Qd3#
- 1...Sf7
- 2.Qd3#
- 1...Kf5!
- 1...Sxc6
- 1.Rb1?
- 1...Sxc6
- 2.Qd3#
- 1...Sd3
- 2.Qxd3#
- 1...Sf3
- 2.Qd3#
- 1...Sc4
- 2.Qd3#
- 1...Sg4
- 2.Qd3#
- 1...Sg6
- 2.Qd3#
- 1...Sd7
- 2.Qd3#
- 1...Sf7
- 2.Qd3#
- 1...Kf5!
- 1...Sxc6
- 1.Rc1?
- 1...Sxc6
- 2.Qd3#
- 1...Sd3
- 2.Qxd3#
- 1...Sf3
- 2.Qd3#
- 1...Sc4
- 2.Qd3#
- 1...Sg4
- 2.Qd3#
- 1...Sg6
- 2.Qd3#
- 1...Sd7
- 2.Qd3#
- 1...Sf7
- 2.Qd3#
- 1...Kf5!
- 1...Sxc6
- 1.Rd1?
- 1...Sxc6
- 2.Qd3#
- 1...Sd3
- 2.Qxd3#
- 1...Sf3
- 2.Qd3#
- 1...Sc4
- 2.Qd3#
- 1...Sg4
- 2.Qd3#
- 1...Sg6
- 2.Qd3#
- 1...Sd7
- 2.Qd3#
- 1...Sf7
- 2.Qd3#
- 1...Kf5!
- 1...Sxc6
- 1.Rf1?
- 1...Sxc6
- 2.Qd3#
- 1...Sd3
- 2.Qxd3#
- 1...Sf3
- 2.Qd3#
- 1...Sc4
- 2.Qd3#
- 1...Sg4
- 2.Qd3#
- 1...Sg6
- 2.Qd3#
- 1...Sd7
- 2.Qd3#
- 1...Sf7
- 2.Qd3#
- 1...Kf5!
- 1...Sxc6
- 1.Rg1?
- 1...Sxc6
- 2.Qd3#
- 1...Sd3
- 2.Qxd3#
- 1...Sf3
- 2.Qd3#
- 1...Sc4
- 2.Qd3#
- 1...Sg4
- 2.Qd3#
- 1...Sg6
- 2.Qd3#
- 1...Sd7
- 2.Qd3#
- 1...Sf7
- 2.Qd3#
- 1...Kf5!
- 1...Sxc6
- 1.Rh1?
- 1...Sxc6
- 2.Qd3#
- 1...Sd3
- 2.Qxd3#
- 1...Sf3
- 2.Qd3#
- 1...Sc4
- 2.Qd3#
- 1...Sg4
- 2.Qd3#
- 1...Sg6
- 2.Qd3#
- 1...Sd7
- 2.Qd3#
- 1...Sf7
- 2.Qd3#
- 1...Kf5!
- 1...Sxc6
- 1.Rc4+?
- 1...Sxc4
- 2.Qd3#
- 1...Kf5!
- 1...Sxc4
- 1.Rc5?
- threat
- 2.Rxe5#
- 1...Sd3
- 2.Qxd3#
- 1...Sf3
- 2.Qd3#
- 1...Sc4
- 2.Qd3#
- 2.Qd4#
- 1...Sg4
- 2.Qd3#
- 2.Qd4#
- 1...Sc6
- 2.Qd3#
- 1...Sg6
- 2.Qd3#
- 2.Qd4#
- 1...Sd7
- 2.Qd3#
- 2.Qd4#
- 1...Sf7
- 2.Qd3#
- 2.Qd4#
- 1...Kf5!
- threat
- 1.Rf6?
- threat
- 2.Qd4#
- 1...Sd3
- 2.Qxd3#
- 1...Sf3
- 2.Qd3#
- 1...Sc6
- 2.Qd3#
- 1...c5!
- threat
- 1.Rxc7?
- 1...Sd3
- 2.Qxd3#
- 1...Sf3
- 2.Qd3#
- 1...Sc4
- 2.Qd3#
- 1...Sg4
- 2.Qd3#
- 1...Sc6
- 2.Qd3#
- 1...Sg6
- 2.Qd3#
- 1...Sd7
- 2.Qd3#
- 1...Sf7
- 2.Qd3#
- 1...Kf5!
- 1...Sd3
- 1.Qd7?
- 1...Ke3
- 2.Qd4#
- 1...Sxc6
- 2.Qd3#
- 1...Sd3
- 2.Qxd3#
- 1...Sf3
- 2.Qd3#
- 1...Sc4
- 2.Qd3#
- 1...Sg4
- 2.Qd3#
- 1...Sg6
- 2.Qd3#
- 1...Sf7
- 2.Qd3#
- 1...Sxd7!
- 1...Ke3
- 1.c4?
- 1...Sxc4
- 2.Qd3#
- 1...Sxc6
- 2.Qd3#
- 1...Sd3
- 2.Qxd3#
- 1...Sf3
- 2.Qd3#
- 1...Sg4
- 2.Qd3#
- 1...Sg6
- 2.Qd3#
- 1...Sd7
- 2.Qd3#
- 1...Sf7
- 2.Qd3#
- 1...Kf5!
- 1...Sxc4
- 1.fxe5?
- 1...Kf5
- 2.Qf4#
- 1...Kxe5!
- 1...Kf5
- 1.Kb1?
- Keys
- 1.Qd1!
- 1...Ke3
- 2.Qd4#
- 1...Kf5
- 2.e4#
- 1...Sxc6
- 2.Qd3#
- 1...Sd3
- 2.Qxd3#
- 1...Sf3
- 2.Qd3#
- 1...Sc4
- 2.Qd3#
- 1...Sg4
- 2.Qd3#
- 1...Sg6
- 2.Qd3#
- 1...Sd7
- 2.Qd3#
- 1...Sf7
- 2.Qd3#
- 1...Ke3
- 1.Qd1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- S(b);N_GUARD::QAB1(C),XS(b)
- S(b);N_GUARD::QAB1(C)
- S(b);N_GUARD,XR(H)::QAB1(C)
- Tries
- Try
- K(A);P-FLIGHT
- Vars
- S(b);N_GUARD,XR(H)::QAB1(C)
- S(b);N_GUARD::QAB1(C),XS(b)
- S(b);N_GUARD::QAB1(C)
- Refutation
- K(a);S_FLIGHT
- Try
- K(A);P-FLIGHT
- Vars
- S(b);N_GUARD,XR(H)::QAB1(C)
- S(b);N_GUARD::QAB1(C),XS(b)
- S(b);N_GUARD::QAB1(C)
- Refutation
- K(a);S_FLIGHT
- Try
- R(B);
- Vars
- S(b);N_GUARD,XR(H)::QAB1(C)
- S(b);N_GUARD::QAB1(C),XS(b)
- S(b);N_GUARD::QAB1(C)
- Refutation
- K(a);S_FLIGHT
- Try
- R(B);
- Vars
- S(b);N_GUARD,XR(H)::QAB1(C)
- S(b);N_GUARD::QAB1(C),XS(b)
- S(b);N_GUARD::QAB1(C)
- Refutation
- K(a);S_FLIGHT
- Try
- R(B);
- Vars
- S(b);N_GUARD,XR(H)::QAB1(C)
- S(b);N_GUARD::QAB1(C),XS(b)
- S(b);N_GUARD::QAB1(C)
- Refutation
- K(a);S_FLIGHT
- Try
- R(B);
- Vars
- S(b);N_GUARD,XR(H)::QAB1(C)
- S(b);N_GUARD::QAB1(C),XS(b)
- S(b);N_GUARD::QAB1(C)
- Refutation
- K(a);S_FLIGHT
- Try
- R(B);
- Vars
- S(b);N_GUARD,XR(H)::QAB1(C)
- S(b);N_GUARD::QAB1(C),XS(b)
- S(b);N_GUARD::QAB1(C)
- Refutation
- K(a);S_FLIGHT
- Try
- R(B);
- Vars
- S(b);N_GUARD,XR(H)::QAB1(C)
- S(b);N_GUARD::QAB1(C),XS(b)
- S(b);N_GUARD::QAB1(C)
- Refutation
- K(a);S_FLIGHT
- Try
- R(H);CHECK
- Vars
- S(b);XR(H)::QAB1(C)
- Refutation
- K(a);S_FLIGHT
- Try
- R(H);
- Threat
- R1(H),XS(b)
- Vars
- S(b);N_GUARD::QAB1(C),XS(b)
- S(b);N_GUARD::QAB1(C)
- Refutation
- K(a);P_SPINS(b),S_FLIGHT
- Try
- R(H);
- Threat
- QAR1(C)
- Vars
- S(b);N_GUARD::QAB1(C),XS(b)
- S(b);N_GUARD::QAB1(C)
- Refutation
- P(c);
- Try
- R(H);XP(c)
- Vars
- S(b);N_GUARD::QAB1(C),XS(b)
- S(b);N_GUARD::QAB1(C)
- Refutation
- K(a);S_FLIGHT
- Try
- Q(C);
- Vars
- K(a);P-FLIGHT::QAB1(C)
- S(b);N_GUARD,XR(H)::QAB1(C)
- S(b);N_GUARD::QAB1(C),XS(b)
- S(b);N_GUARD::QAB1(C)
- Refutation
- S(b);XQ(C)
- Try
- P(E);
- Vars
- S(b);N_GUARD,XP(E)::QAB1(C)
- S(b);N_GUARD,XR(H)::QAB1(C)
- S(b);N_GUARD::QAB1(C),XS(b)
- S(b);N_GUARD::QAB1(C)
- Refutation
- K(a);S_FLIGHT
- Try
- P(G);XS(b)
- Vars
- K(a);S_FLIGHT::QAR1(C)
- Refutation
- K(a);P-FLIGHT,XP(G)
- Try
- Actual
- Q(C);
- Vars
- K(a);P-FLIGHT::QAB1(C)
- K(a);OGATE,S_FLIGHT::P(D)
- S(b);N_GUARD,XR(H)::QAB1(C)
- S(b);N_GUARD::QAB1(C),XS(b)
- S(b);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).