MESON Chess Problem Database
Problem Display
PID: 132833 (8/8/BB1p4/Q5N1/b2P1p2/3rkP2/R1p4R/1r2N2K w - - 0 1)
Galbraith, CA
The Field, 1959
(First published on Thu Jan 8 1959)
#2
10 + 7
SOLUTION
- SOUND
- Sets
- 1...Rxe1+
- 2.Qxe1#
- 1...Rbb3
- 2.Sxc2#
- 1...Rd1
- 2.Re2#
- 1...Rd2
- 2.Qxd2#
- 1...Ra3
- 2.Re2#
- 2.Qd2#
- 1...Rdb3
- 2.Re2#
- 2.Qd2#
- 1...Rc3
- 2.Re2#
- 2.Qxc3#
- 1...Rxd4
- 2.Re2#
- 2.Qd2#
- 2.Qc3#
- 1...c1Q
- 2.Rae2#
- 2.Rhe2#
- 1...c1S
- 2.Sg2#
- 1...c1B
- 2.Sg2#
- 2.Rae2#
- 2.Rhe2#
- 1...c1R
- 2.Rae2#
- 2.Rhe2#
- 1...Rxe1+
- Tries
- 1.Ra3?
- threat
- 2.Rxd3#
- 2.Qd2#
- 1...Rxe1+
- 2.Qxe1#
- 1...Rxb6
- 2.Rxd3#
- 1...Rxa3
- 2.Re2#
- 2.Qd2#
- 1...c1Q
- 2.Rxd3#
- 1...c1S
- 2.Qd2#
- 1...c1B
- 2.Rxd3#
- 1...Rd1
- 2.d5#
- 1...Rbb3
- 2.Sxc2#
- 1...Rb4
- 2.Rxd3#
- 1...Rdb3
- 2.Re2#
- 2.Qd2#
- 2.d5#
- 1...Rc3
- 2.Re2#
- 2.Rxc3#
- 2.Qxc3#
- 1...Bb5
- 2.Qd2#
- 2.d5#
- 1...Bb3!
- threat
- 1.Qxa4?
- threat
- 2.Qe8#
- 1...Rxb6
- 2.Sxc2#
- 1...Rb5
- 2.Sxc2#
- 1...Rxe1+!
- threat
- 1.Qf5?
- threat
- 2.Qxd3#
- 2.Qe4#
- 2.Qe6#
- 1...Rxb6
- 2.Qxd3#
- 2.Qe4#
- 1...Rxd4
- 2.Re2#
- 2.Qd3#
- 2.Qe4#
- 2.Qe6#
- 1...c1S
- 2.Sg2#
- 2.Qe4#
- 2.Qe6#
- 1...Rbd1
- 2.Qe4#
- 2.Qe6#
- 1...Rbb3
- 2.Sxc2#
- 2.Qe4#
- 2.Qe6#
- 1...Rb5
- 2.Qxd3#
- 2.Qe4#
- 1...Rdd1
- 2.Re2#
- 2.Qe4#
- 2.Qe6#
- 1...Rd2
- 2.Qe4#
- 2.Qe6#
- 1...Ra3
- 2.Re2#
- 2.Qe4#
- 2.Qe6#
- 1...Rdb3
- 2.Re2#
- 2.Qe4#
- 2.Qe6#
- 1...Rc3
- 2.Re2#
- 2.Qe4#
- 2.Qe6#
- 1...Bb3
- 2.Qxd3#
- 2.Qe4#
- 1...Bb5
- 2.Qe4#
- 2.Qe6#
- 1...Bc6
- 2.Qxd3#
- 1...Bd7
- 2.Qxd3#
- 2.Qe4#
- 1...d5
- 2.Qxd3#
- 2.Qe6#
- 2.Qe5#
- 1...Rxe1+!
- threat
- 1.d5+?
- 1...Rd4
- 2.Re2#
- 2.Qd2#
- 2.Qc3#
- 1...Rxb6!
- 1...Rd4
- 1.Ra3?
- Keys
- 1.Qc3!
- threat
- 2.Qxd3#
- 1...Rxe1+
- 2.Qxe1#
- 1...Rxc3
- 2.Re2#
- 1...c1S
- 2.Sg2#
- 1...Rd1
- 2.d5#
- 1...Rb3
- 2.Sxc2#
- 1...Bb5
- 2.d5#
- threat
- 1.Qc3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 2
- Sets
- R(a);CHECK,OGATE,XS(A)::QAR2(G),XR(a)
- R(a);N_PINS(A)::S(A),XP(b)
- R(c);::R1(D)
- R(c);N_GUARD::QAB1(G),XR(c)
- P(b);N_PINS(A)::S(A)
- Tries
- Try
- R(C);P_PINR(c)
- Threat
- DUALS(2)
- Vars
- R(a);CHECK,OGATE,XS(A)::QAR2(G),XR(a)
- R(a);N_PINS(A),XB(J)::R1(C),XR(c)
- P(b);::R1(C),XR(c)
- P(b);N_PINS(A)::QAB1(G)
- P(b);N_PINS(A)::R1(C),XR(c)
- R(a);N_GUARD::B(J)+P(F)
- R(a);N_PINS(A),N_SPINR(c)::S(A),XP(b)
- R(a);N_PINS(A)::R1(C),XR(c)
- Refutation
- B(e);N_SPINR(c)
- Try
- Q(G);XB(e)
- Threat
- QAR(G)
- Vars
- R(a);N_PINS(A),XB(J)::S(A),XP(b)
- R(a);N_PINS(A)::S(A),XP(b)
- Refutation
- R(a);CHECK,XS(A)
- Try
- Q(G);
- Threat
- DUALS(3)
- Vars
- B(e);P_PINP(E)::QAR1(G),XR(c)
- Refutation
- R(a);CHECK,XS(A)
- Try
- P(F);CHECK
- Refutation
- R(a);N_PINS(A),XB(J)
- Try
- Actual
- Q(G);P_PINR(c)
- Threat
- QAR1(G),XR(c)
- Vars
- R(a);CHECK,OGATE,XS(A)::QAR2(G),XR(a)
- R(c);N_SPINR(c),XQ(G)::R1(D)
- P(b);N_PINS(A)::S(A)
- R(a);N_GUARD::B(J)+P(F)
- R(a);N_PINS(A)::S(A),XP(b)
- B(e);S_CUTR(a)::B(J)+P(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).