MESON Chess Problem Database
Problem Display
PID: 15165 (8/8/1R6/2R1r3/4b1Q1/k7/8/K7 w - - 0 1)
Orlik, Peter
stern, 1980
#2
4 + 3
| 3713 | Snap | 2007 |
SOLUTION
- SOUND
- Sets
- 1...Re6
- 2.Ra5#
- 1...Re7
- 2.Ra5#
- 1...Re8
- 2.Ra5#
- 1...Bb1
- 2.Rc3#
- 2.Qb4#
- 1...Bh1
- 2.Rc3#
- 2.Qb4#
- 1...Bc2
- 2.Qb4#
- 1...Bg2
- 2.Rc3#
- 2.Qb4#
- 1...Bd3
- 2.Rc3#
- 2.Qb4#
- 1...Bf3
- 2.Rc3#
- 2.Qb4#
- 1...Bd5
- 2.Ra5#
- 2.Qb4#
- 1...Bf5
- 2.Rc3#
- 2.Qb4#
- 1...Bc6
- 2.Rc3#
- 2.Qb4#
- 1...Bg6
- 2.Rc3#
- 2.Qb4#
- 1...Bb7
- 2.Rc3#
- 2.Qb4#
- 1...Bh7
- 2.Rc3#
- 2.Qb4#
- 1...Ba8
- 2.Rc3#
- 2.Qb4#
- 1...Re6
- Tries
- 1.Rc2?
- threat
- 2.Ra2#
- 1...Ka4
- 2.Ra2#
- 1...Bxc2
- 2.Qb4#
- 1...Bd5
- 2.Qb4#
- 1...Rb5!
- threat
- 1.Rxe5?
- threat
- 2.Ra5#
- 1...Bc2
- 2.Qb4#
- 1...Bd5
- 2.Qb4#
- 1...Bc6
- 2.Re3#
- 2.Qb4#
- 1...Ka4!
- threat
- 1.Qd1?
- threat
- 2.Rc3#
- 2.Qb3#
- 1...Rxc5
- 2.Qb3#
- 1...Bd5
- 2.Ra5#
- 1...Bc2!
- threat
- 1.Qe2?
- threat
- 2.Qa6#
- 2.Qa2#
- 1...Ka4
- 2.Qa6#
- 2.Qa2#
- 1...Rxc5
- 2.Qa2#
- 1...Bb1
- 2.Qa6#
- 1...Bd3
- 2.Qa2#
- 1...Bd5
- 2.Ra5#
- 2.Qa6#
- 1...Bc6
- 2.Qa2#
- 1...Bb7
- 2.Qa2#
- 1...Bc2!
- threat
- 1.Qe6?
- threat
- 2.Qa2#
- 2.Qb3#
- 1...Ka4
- 2.Qa2#
- 2.Qb3#
- 1...Rxe6
- 2.Ra5#
- 1...Bb1
- 2.Qb3#
- 1...Bc2
- 2.Qa2#
- 1...Bd5
- 2.Ra5#
- 1...Rd5!
- threat
- 1.Qxe4?
- threat
- 2.Rc3#
- 2.Qa8#
- 2.Qb4#
- 1...Rxc5
- 2.Qb4#
- 1...Rd5
- 2.Rc3#
- 2.Qb4#
- 1...Re7
- 2.Rc3#
- 2.Ra5#
- 2.Qb4#
- 1...Re8
- 2.Rc3#
- 2.Ra5#
- 2.Qb4#
- 1...Rxe4!
- threat
- 1.Rc2?
- Keys
- 1.Qg8!
- threat
- 2.Qa2#
- 2.Qb3#
- 1...Ka4
- 2.Qa2#
- 2.Qb3#
- 1...Rd5
- 2.Qa8#
- 1...Re6
- 2.Ra5#
- 1...Bb1
- 2.Qb3#
- 2.Qa8#
- 1...Bc2
- 2.Qa2#
- 1...Bd5
- 2.Ra5#
- threat
- 1.Qg8!
Anticipated by 11747(1971)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 2
- Sets
- R(c);N_GUARD::R(C)
- B(b);OGATE::QAB1(B)
- Tries
- Try
- R(C);
- Threat
- R1(C)
- Vars
- K(a);P-FLIGHT,P_SPINB(b)::R(C)
- B(b);OGATE,XR(C)::QAB1(B)
- B(b);OGATE::QAB1(B)
- Refutation
- R(c);
- Try
- R(C);XR(c)
- Threat
- R(C)
- Vars
- B(b);OGATE::QAB1(B)
- Refutation
- K(a);P-FLIGHT,P_SPINB(b)
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- R(c);XR(C)::QAR1(B)
- B(b);S_CUTR(c)::R(C)
- Refutation
- B(b);
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- R(c);XR(C)::QAR1(B)
- B(b);::QAR(B)
- B(b);::QAR1(B)
- Refutation
- B(b);
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- R(c);N_GUARD,XQ(B)::R(C)
- B(b);::QAR1(B)
- B(b);S_CUTR(c)::R(C)
- Refutation
- R(c);
- Try
- Q(B);XB(b)
- Threat
- DUALS(3)
- Vars
- R(c);XR(C)::QAB1(B)
- Refutation
- R(c);XQ(B)
- Try
- Actual
- Q(B);
- Threat
- DUALS(2)
- Vars
- R(c);S_CUTB(b)::QAR(B)
- R(c);N_GUARD::R(C)
- B(b);::QAR1(B)
- B(b);S_CUTR(c)::R(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).