MESON Chess Problem Database
Problem Display
PID: 162839 (7B/5p1B/Nb6/3R4/1pk5/r4p2/P2Q4/7K w - - 0 1)
Moen, Kabe
Phenix, 2016
#2
7 + 6
SOLUTION
- SOUND
- Sets
- 1...Rxa2
- 2.Qd3#
- 1...Rd3
- 2.Qxd3#
- 1...Ra4
- 2.Qd3#
- 1...Ra5
- 2.Qd3#
- 1...Rxa6
- 2.Qd3#
- 1...Bd4
- 2.Qxd4#
- 1...Ba5
- 2.Rc5#
- 2.Qd4#
- 1...Bc5
- 2.Rxc5#
- 1...Bc7
- 2.Rc5#
- 2.Qd4#
- 1...Bd8
- 2.Rc5#
- 2.Qd4#
- 1...b3
- 2.Qd3#
- 1...Rxa2
- Tries
- 1.Bd3+?
- 1...Rxd3
- 2.Qxd3#
- 1...Kxd5!
- 1...Rxd3
- 1.Ra5?
- threat
- 2.Qxb4#
- 2.Qd5#
- 1...Rxa5
- 2.Qd3#
- 1...Rb3
- 2.Qd5#
- 1...Rc3
- 2.Qd5#
- 1...Rd3
- 2.Bxd3#
- 2.Qxb4#
- 2.Qxd3#
- 1...Ra4
- 2.Bd3#
- 2.Qc1#
- 2.Qc2#
- 2.Qd3#
- 2.Qd5#
- 1...Bd4
- 2.Qxb4#
- 2.Qxd4#
- 1...Bc5
- 2.Rxc5#
- 1...b3
- 2.Bd3#
- 2.Qc1#
- 2.Qc3#
- 2.Qb4#
- 2.Qd3#
- 2.Qd5#
- 1...f5
- 2.Bg8#
- 2.Qd5#
- 1...f6
- 2.Bg8#
- 2.Qxb4#
- 1...Bxa5!
- threat
- 1.Rb5?
- threat
- 2.Rxb4#
- 2.Qxb4#
- 2.Qd5#
- 1...Rxa6
- 2.Bd3#
- 2.Qxb4#
- 2.Qd3#
- 2.Qd5#
- 1...Rb3
- 2.Qd5#
- 1...Rc3
- 2.Rxb4#
- 2.Qd5#
- 1...Rd3
- 2.Bxd3#
- 2.Qxb4#
- 2.Qxd3#
- 1...Ra4
- 2.Bd3#
- 2.Qd3#
- 2.Qd5#
- 1...Bd4
- 2.Qxb4#
- 1...Ba5
- 2.Rc5#
- 2.Qd5#
- 1...Bc5
- 2.Rxc5#
- 1...b3
- 2.Bd3#
- 2.Rb4#
- 2.Qb4#
- 2.Qd3#
- 2.Qd5#
- 1...f5
- 2.Rxb4#
- 2.Qd5#
- 1...f6
- 2.Rxb4#
- 2.Qxb4#
- 1...Kxb5!
- threat
- 1.Re5?
- threat
- 2.Qxb4#
- 1...Rxa6
- 2.Qd3#
- 1...Bc5
- 2.Rxc5#
- 1...Rc3
- 2.Qd5#
- 1...Ra4
- 2.Qd3#
- 1...Ba5
- 2.Rc5#
- 1...b3
- 2.Qb4#
- 2.Qd3#
- 1...f5
- 2.Bg8#
- 1...Rb3!
- threat
- 1.Rg5?
- threat
- 2.Qxb4#
- 2.Qd5#
- 1...Rxa6
- 2.Bd3#
- 2.Qc1#
- 2.Qc2#
- 2.Qd3#
- 2.Qd5#
- 1...Bc5
- 2.Rxc5#
- 1...Rb3
- 2.Qd5#
- 1...Rc3
- 2.Qd5#
- 1...Rd3
- 2.Bxd3#
- 2.Qxb4#
- 2.Qxd3#
- 1...Ra4
- 2.Bd3#
- 2.Qc1#
- 2.Qc2#
- 2.Qd3#
- 2.Qd5#
- 1...Ra5
- 2.Bd3#
- 2.Qc1#
- 2.Qxb4#
- 2.Qc2#
- 2.Qd3#
- 1...Bd4
- 2.Qxb4#
- 2.Qxd4#
- 1...Ba5
- 2.Rc5#
- 2.Qf4#
- 2.Qd4#
- 2.Qd5#
- 1...b3
- 2.Bd3#
- 2.Qc1#
- 2.Qc3#
- 2.Qb4#
- 2.Qd3#
- 2.Qd5#
- 1...f6
- 2.Bg8#
- 2.Qxb4#
- 1...f5!
- threat
- 1.Rh5?
- threat
- 2.Qxb4#
- 2.Qd5#
- 1...Rxa6
- 2.Bd3#
- 2.Qc1#
- 2.Qc2#
- 2.Qd3#
- 2.Qd5#
- 1...Bc5
- 2.Rxc5#
- 1...Rb3
- 2.Qd5#
- 1...Rc3
- 2.Qd5#
- 1...Rd3
- 2.Bxd3#
- 2.Qxb4#
- 2.Qxd3#
- 1...Ra4
- 2.Bd3#
- 2.Qc1#
- 2.Qc2#
- 2.Qd3#
- 2.Qd5#
- 1...Ra5
- 2.Bd3#
- 2.Qc1#
- 2.Qxb4#
- 2.Qc2#
- 2.Qd3#
- 1...Bd4
- 2.Qxb4#
- 2.Qxd4#
- 1...Ba5
- 2.Rc5#
- 2.Qf4#
- 2.Qd4#
- 2.Qd5#
- 1...b3
- 2.Bd3#
- 2.Qc1#
- 2.Qc3#
- 2.Qb4#
- 2.Qd3#
- 2.Qd5#
- 1...f6
- 2.Bg8#
- 2.Qxb4#
- 1...f5!
- threat
- 1.Qf4+?
- 1...Bd4
- 2.Rc5#
- 2.Qxd4#
- 1...Kxd5!
- 1...Bd4
- 1.Bd3+?
- Keys
- 1.Rf5!
- threat
- 2.Qd5#
- 1...Bc5
- 2.Rxc5#
- 1...Rd3
- 2.Qxb4#
- 1...Ra5
- 2.Qc2#
- 1...Bd4
- 2.Qxd4#
- 1...f6
- 2.Bg8#
- threat
- 1.Rf5!
There are these versions: 166940
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 4
- Sets
- R(a);N_GUARD,XP(B)::QAB1(C)
- R(a);N_GUARD::QAB1(C),XR(a)
- R(a);N_GUARD::QAB1(C)
- R(a);N_GUARD,XS(E)::QAB1(C)
- B(e);N_GUARD::QAR1(C),XB(e)
- B(e);N_GUARD::R1(D),XB(e)
- P(c);S_CUTR(a)::QAB1(C)
- Tries
- Try
- B(F);CHECK
- Vars
- R(a);OGATE,XB(F)::QAB1(C),XR(a)
- Refutation
- K(d);S_FLIGHT,XR(D)
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- R(a);N_GUARD,XR(D)::QAB1(C)
- R(a);::QAB1(C)
- B(e);N_GUARD::R1(D),XB(e)
- Refutation
- B(e);XR(D)
- Try
- R(D);
- Threat
- DUALS(3)
- Vars
- R(a);::QAB1(C)
- B(e);::QAR1(C),XP(c)
- B(e);N_GUARD::R1(D),XB(e)
- Refutation
- K(d);S_FLIGHT,XR(D)
- Try
- R(D);
- Threat
- QAR1(C),XP(c)
- Vars
- R(a);N_GUARD,XS(E)::QAB1(C)
- B(e);N_GUARD::R1(D),XB(e)
- R(a);SBLOCK::QAB1(C)
- R(a);N_GUARD::QAB1(C)
- B(e);N_GUARD::R1(D)
- P(f);OGATEB::B(F)
- Refutation
- R(a);
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- B(e);N_GUARD::R1(D),XB(e)
- R(a);::QAB1(C)
- Refutation
- P(f);
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- B(e);N_GUARD::R1(D),XB(e)
- R(a);::QAB1(C)
- Refutation
- P(f);
- Try
- Q(C);CHECK
- Refutation
- K(d);S_FLIGHT,XR(D)
- Try
- Actual
- R(D);
- Threat
- QAB1(C)
- Vars
- B(e);N_GUARD::R1(D),XB(e)
- R(a);SBLOCK::QAR1(C),XP(c)
- R(a);N_GUARD::QAR2(C)
- B(e);N_GUARD::QAR1(C),XB(e)
- P(f);OGATEB::B(F)
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).