MESON Chess Problem Database
Problem Display
PID: 122591 (8/8/8/p7/r7/1R6/2P5/k1K4R w - - 0 1)
de Jong, Leonard Nicholaas
More White Rooks, 1911
#2
4 + 3
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Ra2
- 2.Kd2#
- 2.Rb1#
- 1...Ra3
- 2.Rxa3#
- 1...Rb4
- 2.Ra3#
- 1...Rc4
- 2.Ra3#
- 1...Rd4
- 2.Ra3#
- 1...Re4
- 2.Ra3#
- 1...Rf4
- 2.Ra3#
- 1...Rg4
- 2.Ra3#
- 1...Rh4
- 2.Ra3#
- 1...Ra2
- Tries
- 1.Rd1?
- 1...Ra2
- 2.Kd2#
- 2.Rb1#
- 1...Ra3
- 2.Rxa3#
- 1...Rb4
- 2.Ra3#
- 1...Rc4
- 2.Ra3#
- 1...Rd4
- 2.Ra3#
- 1...Re4
- 2.Ra3#
- 1...Rf4
- 2.Ra3#
- 1...Rg4
- 2.Ra3#
- 1...Rh4
- 2.Ra3#
- 1...Ka2!
- 1...Ra2
- 1.Re1?
- 1...Ra2
- 2.Kd2#
- 2.Rb1#
- 1...Ra3
- 2.Rxa3#
- 1...Rb4
- 2.Ra3#
- 1...Rc4
- 2.Ra3#
- 1...Rd4
- 2.Ra3#
- 1...Re4
- 2.Ra3#
- 1...Rf4
- 2.Ra3#
- 1...Rg4
- 2.Ra3#
- 1...Rh4
- 2.Ra3#
- 1...Ka2!
- 1...Ra2
- 1.Rf1?
- 1...Ra2
- 2.Kd2#
- 2.Rb1#
- 1...Ra3
- 2.Rxa3#
- 1...Rb4
- 2.Ra3#
- 1...Rc4
- 2.Ra3#
- 1...Rd4
- 2.Ra3#
- 1...Re4
- 2.Ra3#
- 1...Rf4
- 2.Ra3#
- 1...Rg4
- 2.Ra3#
- 1...Rh4
- 2.Ra3#
- 1...Ka2!
- 1...Ra2
- 1.Rg1?
- 1...Ra2
- 2.Kd2#
- 2.Rb1#
- 1...Ra3
- 2.Rxa3#
- 1...Rb4
- 2.Ra3#
- 1...Rc4
- 2.Ra3#
- 1...Rd4
- 2.Ra3#
- 1...Re4
- 2.Ra3#
- 1...Rf4
- 2.Ra3#
- 1...Rg4
- 2.Ra3#
- 1...Rh4
- 2.Ra3#
- 1...Ka2!
- 1...Ra2
- 1.Rh2?
- 1...Ra2
- 2.Rb1#
- 1...Ra3
- 2.Rxa3#
- 1...Rb4
- 2.Ra3#
- 1...Rc4
- 2.Ra3#
- 1...Rd4
- 2.Ra3#
- 1...Re4
- 2.Ra3#
- 1...Rf4
- 2.Ra3#
- 1...Rg4
- 2.Ra3#
- 1...Rh4
- 2.Ra3#
- 1...Ka2!
- 1...Ra2
- 1.Rhh3?
- 1...Ra2
- 2.Rb1#
- 1...Ra3
- 2.Rxa3#
- 1...Rb4
- 2.Ra3#
- 1...Rc4
- 2.Ra3#
- 1...Rd4
- 2.Ra3#
- 1...Re4
- 2.Ra3#
- 1...Rf4
- 2.Ra3#
- 1...Rg4
- 2.Ra3#
- 1...Rh4
- 2.Ra3#
- 1...Ka2!
- 1...Ra2
- 1.Rh5?
- 1...Ra2
- 2.Rb1#
- 1...Ra3
- 2.Rxa3#
- 1...Rb4
- 2.Ra3#
- 1...Rc4
- 2.Ra3#
- 1...Rd4
- 2.Ra3#
- 1...Re4
- 2.Ra3#
- 1...Rf4
- 2.Ra3#
- 1...Rg4
- 2.Ra3#
- 1...Rh4
- 2.Ra3#
- 1...Ka2!
- 1...Ra2
- 1.Rh6?
- 1...Ra2
- 2.Rb1#
- 1...Ra3
- 2.Rxa3#
- 1...Rb4
- 2.Ra3#
- 1...Rc4
- 2.Ra3#
- 1...Rd4
- 2.Ra3#
- 1...Re4
- 2.Ra3#
- 1...Rf4
- 2.Ra3#
- 1...Rg4
- 2.Ra3#
- 1...Rh4
- 2.Ra3#
- 1...Ka2!
- 1...Ra2
- 1.Rh7?
- 1...Ra2
- 2.Rb1#
- 1...Ra3
- 2.Rxa3#
- 1...Rb4
- 2.Ra3#
- 1...Rc4
- 2.Ra3#
- 1...Rd4
- 2.Ra3#
- 1...Re4
- 2.Ra3#
- 1...Rf4
- 2.Ra3#
- 1...Rg4
- 2.Ra3#
- 1...Rh4
- 2.Ra3#
- 1...Ka2!
- 1...Ra2
- 1.Rh8?
- 1...Ra2
- 2.Rb1#
- 1...Ra3
- 2.Rxa3#
- 1...Rb4
- 2.Ra3#
- 1...Rc4
- 2.Ra3#
- 1...Rd4
- 2.Ra3#
- 1...Re4
- 2.Ra3#
- 1...Rf4
- 2.Ra3#
- 1...Rg4
- 2.Ra3#
- 1...Rh4
- 2.Ra3#
- 1...Ka2!
- 1...Ra2
- 1.c3?
- 1...Ra2
- 2.Rb1#
- 1...Ra3
- 2.Rxa3#
- 1...Rb4
- 2.Ra3#
- 1...Rc4
- 2.Ra3#
- 1...Rd4
- 2.Ra3#
- 1...Re4
- 2.Ra3#
- 1...Rf4
- 2.Ra3#
- 1...Rg4
- 2.Ra3#
- 1...Rh4
- 2.Ra3#
- 1...Ka2!
- 1...Ra2
- 1.Rd1?
- Keys
- 1.Rh4!
- threat
- 2.Rxa4#
- 1...Ka2
- 2.Rxa4#
- 1...Rxh4
- 2.Ra3#
- 1...Ra2
- 2.Rb1#
- 1...Ra3
- 2.Rxa3#
- 1...Rb4
- 2.Ra3#
- 1...Rc4
- 2.Ra3#
- 1...Rd4
- 2.Ra3#
- 1...Re4
- 2.Ra3#
- 1...Rf4
- 2.Ra3#
- 1...Rg4
- 2.Ra3#
- threat
- 1.Rh4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- R(b);N_GUARD::R(D),XR(b)
- R(b);N_GUARD::R(D)
- R(b);N_GUARD,P_PINP(C)::R(D)
- Tries
- Try
- R(B);
- Vars
- R(b);N_GUARD::R(D),XR(b)
- R(b);N_GUARD::R(D)
- R(b);N_GUARD,P_PINP(C)::R(D)
- Refutation
- K(a);P-FLIGHT
- Try
- R(B);
- Vars
- R(b);N_GUARD::R(D),XR(b)
- R(b);N_GUARD::R(D)
- R(b);N_GUARD,P_PINP(C)::R(D)
- Refutation
- K(a);P-FLIGHT
- Try
- R(B);
- Vars
- R(b);N_GUARD::R(D),XR(b)
- R(b);N_GUARD::R(D)
- R(b);N_GUARD,P_PINP(C)::R(D)
- Refutation
- K(a);P-FLIGHT
- Try
- R(B);
- Vars
- R(b);N_GUARD::R(D),XR(b)
- R(b);N_GUARD::R(D)
- R(b);N_GUARD,P_PINP(C)::R(D)
- Refutation
- K(a);P-FLIGHT
- Try
- R(B);
- Vars
- R(b);SBLOCK::R1(D)
- R(b);N_GUARD::R(D),XR(b)
- R(b);N_GUARD::R(D)
- R(b);N_GUARD,P_PINP(C)::R(D)
- Refutation
- K(a);P-FLIGHT
- Try
- R(B);
- Vars
- R(b);SBLOCK::R1(D)
- R(b);N_GUARD::R(D),XR(b)
- R(b);N_GUARD::R(D)
- R(b);N_GUARD,P_PINP(C)::R(D)
- Refutation
- K(a);P-FLIGHT
- Try
- R(B);
- Vars
- R(b);SBLOCK::R1(D)
- R(b);N_GUARD::R(D),XR(b)
- R(b);N_GUARD::R(D)
- R(b);N_GUARD,P_PINP(C)::R(D)
- Refutation
- K(a);P-FLIGHT
- Try
- R(B);
- Vars
- R(b);SBLOCK::R1(D)
- R(b);N_GUARD::R(D),XR(b)
- R(b);N_GUARD::R(D)
- R(b);N_GUARD,P_PINP(C)::R(D)
- Refutation
- K(a);P-FLIGHT
- Try
- R(B);
- Vars
- R(b);SBLOCK::R1(D)
- R(b);N_GUARD::R(D),XR(b)
- R(b);N_GUARD::R(D)
- R(b);N_GUARD,P_PINP(C)::R(D)
- Refutation
- K(a);P-FLIGHT
- Try
- R(B);
- Vars
- R(b);SBLOCK::R1(D)
- R(b);N_GUARD::R(D),XR(b)
- R(b);N_GUARD::R(D)
- R(b);N_GUARD,P_PINP(C)::R(D)
- Refutation
- K(a);P-FLIGHT
- Try
- P(C);
- Vars
- R(b);SBLOCK::R1(D)
- R(b);N_GUARD::R(D),XR(b)
- R(b);N_GUARD::R(D)
- R(b);N_GUARD,P_PINP(C)::R(D)
- Refutation
- K(a);P-FLIGHT
- Try
- Actual
- R(B);
- Threat
- R(B),XR(b)
- Vars
- K(a);P-FLIGHT::R(B),XR(b)
- R(b);N_GUARD,XR(B)::R(D)
- R(b);SBLOCK::R1(D)
- R(b);N_GUARD::R(D),XR(b)
- R(b);N_GUARD::R(D)
- R(b);N_GUARD,P_PINP(C)::R(D)
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).