MESON Chess Problem Database
Problem Display
PID: 20880 (8/6p1/p5P1/K6p/4N2k/5Qrr/2p2N2/2B5 w - - 0 1)
Booth, David (Jr)
Deaf Times, 1913
#2
6 + 7
| 3360 | Simple Two-move Themes | 1924 |
SOLUTION
- SOUND
- Sets
- 1...Rg1
- 2.Qxh3#
- 1...Rg2
- 2.Qxh3#
- 1...Rxf3
- 2.Bg5#
- 1...Rg4
- 2.Qxh3#
- 1...Rg5+
- 2.Bxg5#
- 1...Rxg6
- 2.Qxh3#
- 1...Rh1
- 2.Qxg3#
- 1...Rh2
- 2.Qxg3#
- 1...Rg1
- Tries
- 1.Ka4?
- 1...Rxf3
- 2.Bg5#
- 1...Rxg6
- 2.Qxh3#
- 1...Rg1
- 2.Qxh3#
- 1...Rg2
- 2.Qxh3#
- 1...Rg4
- 2.Qxh3#
- 1...Rg5
- 2.Bxg5#
- 2.Qxh3#
- 1...Rh1
- 2.Qxg3#
- 1...Rh2
- 2.Qxg3#
- 1...a5!
- 1...Rxf3
- 1.Kb4?
- 1...Rxf3
- 2.Bg5#
- 1...Rxg6
- 2.Qxh3#
- 1...Rg1
- 2.Qxh3#
- 1...Rg2
- 2.Qxh3#
- 1...Rg4
- 2.Qxh3#
- 1...Rg5
- 2.Bxg5#
- 2.Qxh3#
- 1...Rh1
- 2.Qxg3#
- 1...Rh2
- 2.Qxg3#
- 1...a5+!
- 1...Rxf3
- 1.Kxa6?
- 1...Rxf3
- 2.Bg5#
- 1...Rg1
- 2.Qxh3#
- 1...Rg2
- 2.Qxh3#
- 1...Rg4
- 2.Qxh3#
- 1...Rg5
- 2.Bxg5#
- 2.Qxh3#
- 1...Rh1
- 2.Qxg3#
- 1...Rh2
- 2.Qxg3#
- 1...Rxg6+!
- 1...Rxf3
- 1.Qa3?
- 1...Rg5+
- 2.Bxg5#
- 1...Rxg6
- 2.Qxh3#
- 1...Rg1
- 2.Qxh3#
- 1...Rg2
- 2.Qxh3#
- 1...Rb3
- 2.Bg5#
- 2.Qe7#
- 1...Rc3
- 2.Bg5#
- 2.Qe7#
- 1...Rd3
- 2.Bg5#
- 2.Qe7#
- 1...Re3
- 2.Qe7#
- 1...Rf3
- 2.Bg5#
- 1...Rg4
- 2.Qxh3#
- 1...Rh1
- 2.Qxg3#
- 1...Rh2
- 2.Qxg3#
- 1...Rxa3+!
- 1...Rg5+
- 1.Qb3?
- 1...Rg5+
- 2.Bxg5#
- 1...Rxb3
- 2.Bg5#
- 1...Rxg6
- 2.Qxh3#
- 1...Rg1
- 2.Qxh3#
- 1...Rg2
- 2.Qxh3#
- 1...Rc3
- 2.Bg5#
- 1...Rd3
- 2.Bg5#
- 1...Rf3
- 2.Bg5#
- 1...Rg4
- 2.Qxh3#
- 1...Rh1
- 2.Qxg3#
- 1...Rh2
- 2.Qxg3#
- 1...Re3!
- 1...Rg5+
- 1.Qc3?
- 1...Rg5+
- 2.Bxg5#
- 1...Rxc3
- 2.Bg5#
- 1...Rxg6
- 2.Qxh3#
- 1...Rg1
- 2.Qxh3#
- 1...Rg2
- 2.Qxh3#
- 1...Rd3
- 2.Bg5#
- 1...Rf3
- 2.Bg5#
- 1...Rg4
- 2.Qxh3#
- 1...Rh1
- 2.Qxg3#
- 1...Rh2
- 2.Qxg3#
- 1...Re3!
- 1...Rg5+
- 1.Qe3?
- 1...Rg5+
- 2.Qxg5#
- 1...Rxg6
- 2.Qxh3#
- 1...Rg1
- 2.Qxh3#
- 1...Rg2
- 2.Qxh3#
- 1...Rf3
- 2.Qg5#
- 1...Rg4
- 2.Qxh3#
- 1...Rh1
- 2.Qxg3#
- 1...Rh2
- 2.Qxg3#
- 1...Rxe3!
- 1...Rg5+
- 1.Qf6+?
- 1...Rg5+
- 2.Bxg5#
- 2.Qxg5#
- 1...gxf6!
- 1...Rg5+
- 1.Ka4?
- Keys
- 1.Qd3!
- 1...Rg5+
- 2.Bxg5#
- 1...Rxd3
- 2.Bg5#
- 1...Rxg6
- 2.Qxh3#
- 1...Rg1
- 2.Qxh3#
- 1...Rg2
- 2.Qxh3#
- 1...Re3
- 2.Qd8#
- 1...Rf3
- 2.Bg5#
- 1...Rg4
- 2.Qxh3#
- 1...Rh1
- 2.Qxg3#
- 1...Rh2
- 2.Qxg3#
- 1...Rg5+
- 1.Qd3!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- R(b);OGATE::QAR1(C),XR(c)
- R(b);N_GUARD,XQ(C)::B(A)
- R(b);CHECK,N_GUARD::B(A),XR(b)
- R(b);OGATE,XP(F)::QAR1(C),XR(c)
- R(c);N_GUARD::QAB1(C),XR(b)
- Tries
- Try
- K(E);P-FLIGHT
- Vars
- R(b);N_GUARD,XQ(C)::B(A)
- R(b);OGATE,XP(F)::QAR1(C),XR(c)
- R(b);OGATE::QAR1(C),XR(c)
- R(b);OGATE,P_PINS(D)::QAR1(C),XR(c)
- R(c);N_GUARD::QAB1(C),XR(b)
- Refutation
- P(f);
- Try
- K(E);S_FLIGHT
- Vars
- R(b);N_GUARD,XQ(C)::B(A)
- R(b);OGATE,XP(F)::QAR1(C),XR(c)
- R(b);OGATE::QAR1(C),XR(c)
- R(b);OGATE,P_PINS(D)::QAR1(C),XR(c)
- R(c);N_GUARD::QAB1(C),XR(b)
- Refutation
- P(f);CHECK
- Try
- K(E);P-FLIGHT,XP(f)
- Vars
- R(b);N_GUARD,XQ(C)::B(A)
- R(b);OGATE::QAR1(C),XR(c)
- R(c);N_GUARD::QAB1(C),XR(b)
- Refutation
- R(b);CHECK,XP(F)
- Try
- Q(C);
- Vars
- R(b);CHECK,N_GUARD::B(A),XR(b)
- R(b);OGATE,XP(F)::QAR1(C),XR(c)
- R(b);OGATE::QAR1(C),XR(c)
- R(b);N_GUARD::QAB(C)
- R(b);N_GUARD::B(A)
- R(c);N_GUARD::QAB1(C),XR(b)
- Refutation
- R(b);CHECK,XQ(C)
- Try
- Q(C);
- Vars
- R(b);CHECK,N_GUARD::B(A),XR(b)
- R(b);N_GUARD,XQ(C)::B(A)
- R(b);OGATE,XP(F)::QAR1(C),XR(c)
- R(b);OGATE::QAR1(C),XR(c)
- R(b);N_GUARD::B(A)
- R(c);N_GUARD::QAB1(C),XR(b)
- Refutation
- R(b);
- Try
- Q(C);
- Vars
- R(b);CHECK,N_GUARD::B(A),XR(b)
- R(b);N_GUARD,XQ(C)::B(A)
- R(b);OGATE,XP(F)::QAR1(C),XR(c)
- R(b);OGATE::QAR1(C),XR(c)
- R(b);N_GUARD::B(A)
- R(c);N_GUARD::QAB1(C),XR(b)
- Refutation
- R(b);
- Try
- Q(C);
- Vars
- R(b);CHECK,N_GUARD::QAB1(C),XR(b)
- R(b);OGATE,XP(F)::QAR1(C),XR(c)
- R(b);OGATE::QAR1(C),XR(c)
- R(b);N_GUARD::QAB1(C)
- R(c);N_GUARD::QAB1(C),XR(b)
- Refutation
- R(b);XQ(C)
- Try
- Q(C);CHECK
- Refutation
- P(g);XQ(C)
- Try
- Actual
- Q(C);
- Vars
- R(b);CHECK,N_GUARD::B(A),XR(b)
- R(b);N_GUARD,XQ(C)::B(A)
- R(b);OGATE,XP(F)::QAR1(C),XR(c)
- R(b);OGATE::QAR1(C),XR(c)
- R(b);N_GUARD::QAB(C)
- R(b);N_GUARD::B(A)
- R(c);N_GUARD::QAB1(C),XR(b)
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).