MESON Chess Problem Database
Problem Display
PID: 157835 (4rb1B/2RQ4/b2n4/r2k2pN/2R1p3/1P6/2BNK3/8 w - - 0 1)
Rice, John Michael
McWilliam Ty., 1957
#2
9 + 8
| 15148 | Sadier Collection | 2016 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Rc5#
- 1...Ra2
- 2.Rc5#
- 1...Ra3
- 2.Rc5#
- 1...Ra4
- 2.Rc5#
- 1...Rb5
- 2.Rd4#
- 1...Rc5
- 2.Rxc5#
- 1...Re5
- 2.Sf6#
- 1...Re6
- 2.Qc6#
- 1...Ra8
- 2.Bxe4#
- 1...Rb8
- 2.Bxe4#
- 1...Rc8
- 2.Bxe4#
- 1...Rd8
- 2.Bxe4#
- 1...Bxc4+
- 2.bxc4#
- 1...Bb5
- 2.Rc5#
- 1...Bb7
- 2.Rd4#
- 1...Bc8
- 2.Rd4#
- 1...Be7
- 2.Bxe4#
- 1...g4
- 2.Sf4#
- 1...Ra1
- Tries
- 1.Ke3?
- threat
- 2.Rd4#
- 1...Bxc4
- 2.bxc4#
- 1...Ra4
- 2.R4c5#
- 2.R7c5#
- 1...Bg7!
- threat
- 1.Sb1?
- threat
- 2.Sc3#
- 1...Bxc4+
- 2.bxc4#
- 1...Bg7!
- threat
- 1.Ba1?
- threat
- 2.Sf6#
- 1...Bxc4+
- 2.bxc4#
- 1...Rxa1
- 2.Rc5#
- 1...Re6
- 2.Qc6#
- 1...Be7
- 2.Bxe4#
- 1...Bg7!
- threat
- 1.Bb2?
- threat
- 2.Sf6#
- 1...Bxc4+
- 2.bxc4#
- 1...Re6
- 2.Qc6#
- 1...Be7
- 2.Bxe4#
- 1...Bg7!
- threat
- 1.Bc3?
- threat
- 2.Sf6#
- 1...Bxc4+
- 2.bxc4#
- 1...Re6
- 2.Qc6#
- 1...Be7
- 2.Bxe4#
- 1...Bg7!
- threat
- 1.Qf5+?
- 1...Re5
- 2.Sf6#
- 2.Qxe5#
- 1...Sxf5!
- 1...Re5
- 1.Ke3?
- Keys
- 1.Sxe4!
- 1...Rxe4+
- 2.Bxe4#
- 1...Bxc4+
- 2.bxc4#
- 1...Bg7
- 2.Qxd6#
- 1...Ra1
- 2.Rc5#
- 1...Ra2
- 2.Rc5#
- 1...Ra3
- 2.Rc5#
- 1...Ra4
- 2.Rc5#
- 1...Rb5
- 2.Rd4#
- 1...Rc5
- 2.Rxc5#
- 1...Re5
- 2.Sf6#
- 1...Re6
- 2.Qc6#
- 1...Re7
- 2.Qxd6#
- 1...Ra8
- 2.Sc3#
- 1...Rb8
- 2.Sc3#
- 1...Rc8
- 2.Sc3#
- 1...Rd8
- 2.Sc3#
- 1...Bb5
- 2.Rc5#
- 1...Bb7
- 2.Rd4#
- 1...Bc8
- 2.Rd4#
- 1...Bh6
- 2.Qxd6#
- 1...Be7
- 2.Sc3#
- 1...g4
- 2.Sf4#
- 1...Rxe4+
- 1.Sxe4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 5
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- R(b);N_GUARD::R1(G)
- R(b);N_PINR(E)::R1(E)
- R(b);N_GUARD::R1(G),XR(b)
- R(g);SBLOCK::S(F)
- R(g);SBLOCK::QAB1(H)
- R(g);N_GUARD::B(A),XP(a)
- B(e);CHECK,OGATE,XR(E)::P(D),XB(e)
- B(e);S_CUTR(b)::R1(G)
- B(e);N_PINR(E)::R1(E)
- B(h);S_CUTR(g)::B(A),XP(a)
- P(d);N_GUARD::S(F)
- Tries
- Try
- K(C);N_SPINR(E),P-FLIGHT
- Threat
- R1(E)
- Vars
- B(e);OGATE,XR(E)::P(D),XB(e)
- Refutation
- B(h);
- Try
- S(B);
- Threat
- S(B)
- Vars
- B(e);CHECK,OGATE,XR(E)::P(D),XB(e)
- Refutation
- B(h);
- Try
- B(I);
- Threat
- S(F)
- Vars
- B(e);CHECK,OGATE,XR(E)::P(D),XB(e)
- R(b);N_GUARD,XB(I)::R1(G)
- R(g);SBLOCK::QAB1(H)
- B(h);S_CUTR(g)::B(A),XP(a)
- Refutation
- B(h);
- Try
- B(I);
- Threat
- S(F)
- Vars
- B(e);CHECK,OGATE,XR(E)::P(D),XB(e)
- R(g);SBLOCK::QAB1(H)
- B(h);S_CUTR(g)::B(A),XP(a)
- Refutation
- B(h);
- Try
- B(I);
- Threat
- S(F)
- Vars
- B(e);CHECK,OGATE,XR(E)::P(D),XB(e)
- R(g);SBLOCK::QAB1(H)
- B(h);S_CUTR(g)::B(A),XP(a)
- Refutation
- B(h);
- Try
- Q(H);CHECK,N_PINS(f)
- Refutation
- S(f);XQ(H)
- Try
- Actual
- S(B);P_SPINS(B),XP(a)
- Vars
- R(g);CHECK,OGATE,XS(B)::B(A),XR(g)
- B(e);CHECK,OGATE,XR(E)::P(D),XB(e)
- B(h);N_GUARD::QAR1(H),XS(f)
- R(b);N_GUARD::R1(G)
- R(b);N_GUARD,P_PINB(A)::R1(G)
- R(b);N_PINR(E)::R1(E)
- R(b);N_GUARD::R1(G),XR(b)
- R(g);SBLOCK::S(F)
- R(g);SBLOCK::QAB1(H)
- R(g);S_CUTB(h)::QAR1(H),XS(f)
- R(g);N_PINS(B)::S(B)
- B(e);S_CUTR(b)::R1(G)
- B(e);N_PINR(E)::R1(E)
- B(h);N_PINS(B)::S(B)
- P(d);N_GUARD::S(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).