MESON Chess Problem Database
Problem Display
PID: 54417 (8/4p1p1/4p1B1/pQ2p1B1/p2kN3/Rb3P1p/7R/1nKn1N2 w - - 0 1)
Barrow, John Hugh
Grantham Journal, 1929
#2
9 + 11
| 5257 | Chess Problems by J H Barrow | 2004 |
SOLUTION
- SOUND
- Sets
- 1...Ba2
- 2.Rd3#
- 2.Qd3#
- 2.Qc5#
- 1...Bc2
- 2.Qc5#
- 1...Bc4
- 2.Qc5#
- 1...Bd5
- 2.Rd3#
- 2.Qd3#
- 2.Qc5#
- 1...Sd2
- 2.Rxd2#
- 1...Sxa3
- 2.Rd2#
- 1...Sbc3
- 2.Rd2#
- 1...Sb2
- 2.Be3#
- 1...Sf2
- 2.Be3#
- 1...Sdc3
- 2.Be3#
- 1...Se3
- 2.Bxe3#
- 1...Ba2
- Tries
- 1.Sfg3?
- threat
- 2.Se2#
- 1...Bc4
- 2.Qc5#
- 1...Sbc3
- 2.Rd2#
- 1...Sdc3!
- threat
- 1.Seg3?
- threat
- 2.Se2#
- 1...Kc3
- 2.Se2#
- 2.Qc5#
- 1...Sbc3
- 2.Rd2#
- 1...Sdc3
- 2.Be3#
- 1...Bc4!
- threat
- 1.Bf4?
- threat
- 2.Bxe5#
- 1...Bd5
- 2.Rd3#
- 2.Qd3#
- 2.Qc5#
- 1...exf4!
- threat
- 1.Bh4?
- 1...Sxa3
- 2.Rd2#
- 1...Sbc3
- 2.Rd2#
- 1...Ba2
- 2.Rd3#
- 2.Qd3#
- 2.Qc5#
- 1...Bc2
- 2.Qc5#
- 1...Bc4
- 2.Qc5#
- 1...Bd5
- 2.Rd3#
- 2.Qd3#
- 2.Qc5#
- 1...Sd2
- 2.Rxd2#
- 1...Sb2
- 2.Bf2#
- 1...Sf2
- 2.Bxf2#
- 1...Sdc3
- 2.Bf2#
- 1...Se3!
- 1...Sxa3
- 1.Bh6?
- 1...Sxa3
- 2.Rd2#
- 1...Sbc3
- 2.Rd2#
- 1...Ba2
- 2.Rd3#
- 2.Qd3#
- 2.Qc5#
- 1...Bc2
- 2.Qc5#
- 1...Bc4
- 2.Qc5#
- 1...Bd5
- 2.Rd3#
- 2.Qd3#
- 2.Qc5#
- 1...Sd2
- 2.Rxd2#
- 1...Sb2
- 2.Be3#
- 1...Sf2
- 2.Be3#
- 1...Sdc3
- 2.Be3#
- 1...Se3
- 2.Bxe3#
- 1...gxh6!
- 1...Sxa3
- 1.Bh5?
- 1...Sxa3
- 2.Rd2#
- 1...Sbc3
- 2.Rd2#
- 1...Ba2
- 2.Rd3#
- 2.Qd3#
- 2.Qc5#
- 1...Bc2
- 2.Qc5#
- 1...Bc4
- 2.Qc5#
- 1...Bd5
- 2.Rd3#
- 2.Qd3#
- 2.Qc5#
- 1...Sd2
- 2.Rxd2#
- 1...Sb2
- 2.Be3#
- 1...Sf2
- 2.Be3#
- 1...Sdc3
- 2.Be3#
- 1...Se3
- 2.Bxe3#
- 1...g6!
- 1...Sxa3
- 1.Bf7?
- 1...Sxa3
- 2.Rd2#
- 1...Sbc3
- 2.Rd2#
- 1...Ba2
- 2.Rd3#
- 2.Qd3#
- 2.Qc5#
- 1...Bc2
- 2.Qc5#
- 1...Bc4
- 2.Qc5#
- 1...Bd5
- 2.Rd3#
- 2.Qd3#
- 2.Qc5#
- 1...Sd2
- 2.Rxd2#
- 1...Sb2
- 2.Be3#
- 1...Sf2
- 2.Be3#
- 1...Sdc3
- 2.Be3#
- 1...Se3
- 2.Bxe3#
- 1...g6!
- 1...Sxa3
- 1.Bh7?
- 1...Sxa3
- 2.Rd2#
- 1...Ba2
- 2.Rd3#
- 2.Qd3#
- 2.Qc5#
- 1...Bc2
- 2.Qc5#
- 1...Bc4
- 2.Qc5#
- 1...Bd5
- 2.Rd3#
- 2.Qd3#
- 2.Qc5#
- 1...Sd2
- 2.Rxd2#
- 1...Sbc3
- 2.Rd2#
- 1...Sb2
- 2.Be3#
- 1...Sf2
- 2.Be3#
- 1...Sdc3
- 2.Be3#
- 1...Se3
- 2.Bxe3#
- 1...g6!
- 1...Sxa3
- 1.Be8?
- 1...Sxa3
- 2.Rd2#
- 1...Ba2
- 2.Rd3#
- 2.Qd3#
- 2.Qc5#
- 1...Bc2
- 2.Qc5#
- 1...Bc4
- 2.Qc5#
- 1...Bd5
- 2.Rd3#
- 2.Qd3#
- 2.Qc5#
- 1...Sd2
- 2.Rxd2#
- 1...Sbc3
- 2.Rd2#
- 1...Sb2
- 2.Be3#
- 1...Sf2
- 2.Be3#
- 1...Sdc3
- 2.Be3#
- 1...Se3
- 2.Bxe3#
- 1...g6!
- 1...Sxa3
- 1.Rha2?
- 1...Bxa2
- 2.Rd3#
- 2.Qd3#
- 2.Qc5#
- 1...Sxa3
- 2.Rd2#
- 1...Bc2
- 2.Qc5#
- 1...Bc4
- 2.Qc5#
- 1...Bd5
- 2.Rd3#
- 2.Qd3#
- 2.Qc5#
- 1...Sd2
- 2.Rxd2#
- 1...Sbc3
- 2.Rd2#
- 1...Sb2
- 2.Be3#
- 1...Sf2
- 2.Be3#
- 1...Sdc3
- 2.Be3#
- 1...Se3
- 2.Bxe3#
- 1...h2!
- 1...Bxa2
- 1.Rb2?
- 1...Sxa3
- 2.Rd2#
- 1...Sxb2
- 2.Be3#
- 1...Ba2
- 2.Rd3#
- 2.Qd3#
- 2.Qc5#
- 1...Bc2
- 2.Qc5#
- 1...Bc4
- 2.Qc5#
- 1...Bd5
- 2.Rd3#
- 2.Qd3#
- 2.Qc5#
- 1...Sd2
- 2.Rxd2#
- 1...Sbc3
- 2.Rd2#
- 1...Sf2
- 2.Be3#
- 1...Sdc3
- 2.Be3#
- 1...Se3
- 2.Bxe3#
- 1...h2!
- 1...Sxa3
- 1.Rc2?
- 1...Bxc2
- 2.Qc5#
- 1...Sxa3
- 2.Rd2#
- 1...Ba2
- 2.Rd3#
- 2.Qd3#
- 2.Qc5#
- 1...Bc4
- 2.Rxc4#
- 2.Qxc4#
- 2.Qc5#
- 1...Bd5
- 2.Rd3#
- 2.Qd3#
- 2.Qc5#
- 2.Qb6#
- 1...Sd2
- 2.Rxd2#
- 1...Sbc3
- 2.Rd2#
- 1...Sb2
- 2.Be3#
- 1...Sf2
- 2.Be3#
- 1...Sdc3
- 2.Be3#
- 1...Se3
- 2.Bxe3#
- 1...h2!
- 1...Bxc2
- 1.Re2?
- 1...Sxa3
- 2.Rd2#
- 1...Ba2
- 2.Rd3#
- 2.Qd3#
- 2.Qc5#
- 1...Bc2
- 2.Qc5#
- 1...Bc4
- 2.Qc5#
- 1...Bd5
- 2.Rd3#
- 2.Qd3#
- 2.Qc5#
- 1...Sd2
- 2.Rxd2#
- 1...Sbc3
- 2.Rd2#
- 1...Sb2
- 2.Be3#
- 1...Sf2
- 2.Be3#
- 1...Sdc3
- 2.Be3#
- 1...Se3
- 2.Bxe3#
- 1...h2!
- 1...Sxa3
- 1.Rf2?
- 1...Sxa3
- 2.Rd2#
- 1...Sxf2
- 2.Be3#
- 1...Ba2
- 2.Rd3#
- 2.Qd3#
- 2.Qc5#
- 1...Bc2
- 2.Qc5#
- 1...Bc4
- 2.Qc5#
- 1...Bd5
- 2.Rd3#
- 2.Qd3#
- 2.Qc5#
- 1...Sd2
- 2.Rxd2#
- 1...Sbc3
- 2.Rd2#
- 1...Sb2
- 2.Be3#
- 1...Sdc3
- 2.Be3#
- 1...Se3
- 2.Bxe3#
- 1...h2!
- 1...Sxa3
- 1.Rxb3?
- threat
- 2.Rd3#
- 2.Qd3#
- 2.Qc5#
- 1...Sbc3
- 2.Rd2#
- 1...Sb2
- 2.Be3#
- 2.Qc5#
- 1...Sf2
- 2.Be3#
- 2.Qc5#
- 1...Sdc3
- 2.Be3#
- 1...axb3!
- threat
- 1.Rxa4+?
- 1...Bc4
- 2.Qxc4#
- 2.Qd7#
- 1...Bxa4!
- 1...Bc4
- 1.Qb4+?
- 1...Kd3
- 2.Sc5#
- 1...Kd5
- 2.Qc5#
- 1...Bc4
- 2.Qc5#
- 1...axb4!
- 1...Kd3
- 1.Sfg3?
- Keys
- 1.Sc3!
- threat
- 2.Se2#
- 1...Kxc3
- 2.Qc5#
- 1...Sbxc3
- 2.Rd2#
- 1...Sdxc3
- 2.Be3#
- 1...Bc4
- 2.Qb6#
- threat
- 1.Sc3!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 6
- Sets
- B(c);::QAB1(G)
- S(a);N_GUARD::R(C),XS(a)
- S(a);N_GUARD,XR(D)::R(C)
- S(a);N_GUARD::R(C)
- S(b);N_GUARD::B(H)
- S(b);N_GUARD::B(H),XS(b)
- Tries
- Try
- S(B);
- Threat
- S(B)
- Vars
- B(c);::QAB1(G)
- S(a);N_GUARD::R(C)
- Refutation
- S(b);
- Try
- S(F);
- Threat
- S(F)
- Vars
- S(a);N_GUARD,SBLOCK::R(C)
- S(b);N_GUARD,SBLOCK::B(H)
- Refutation
- B(c);
- Try
- B(H);
- Threat
- B(H),XP(h)
- Refutation
- P(h);XB(H)
- Try
- B(H);
- Vars
- S(a);N_GUARD,XR(D)::R(C)
- S(a);N_GUARD::R(C)
- B(c);::QAB1(G)
- S(a);N_GUARD::R(C),XS(a)
- S(b);N_GUARD::B(H)
- S(b);N_GUARD::B(H),XS(b)
- Refutation
- S(b);
- Try
- B(H);
- Vars
- S(a);N_GUARD,XR(D)::R(C)
- S(a);N_GUARD::R(C)
- B(c);::QAB1(G)
- S(a);N_GUARD::R(C),XS(a)
- S(b);N_GUARD::B(H)
- S(b);N_GUARD::B(H),XS(b)
- Refutation
- P(k);XB(H)
- Try
- B(I);
- Vars
- S(a);N_GUARD,XR(D)::R(C)
- S(a);N_GUARD::R(C)
- B(c);::QAB1(G)
- S(a);N_GUARD::R(C),XS(a)
- S(b);N_GUARD::B(H)
- S(b);N_GUARD::B(H),XS(b)
- Refutation
- P(k);
- Try
- B(I);
- Vars
- S(a);N_GUARD,XR(D)::R(C)
- S(a);N_GUARD::R(C)
- B(c);::QAB1(G)
- S(a);N_GUARD::R(C),XS(a)
- S(b);N_GUARD::B(H)
- S(b);N_GUARD::B(H),XS(b)
- Refutation
- P(k);
- Try
- B(I);
- Vars
- S(a);N_GUARD,XR(D)::R(C)
- B(c);::QAB1(G)
- S(a);N_GUARD::R(C),XS(a)
- S(a);N_GUARD::R(C)
- S(b);N_GUARD::B(H)
- S(b);N_GUARD::B(H),XS(b)
- Refutation
- P(k);
- Try
- B(I);
- Vars
- S(a);N_GUARD,XR(D)::R(C)
- B(c);::QAB1(G)
- S(a);N_GUARD::R(C),XS(a)
- S(a);N_GUARD::R(C)
- S(b);N_GUARD::B(H)
- S(b);N_GUARD::B(H),XS(b)
- Refutation
- P(k);
- Try
- R(C);
- Vars
- S(a);N_GUARD,XR(D)::R(C)
- B(c);::QAB1(G)
- S(a);N_GUARD::R(C),XS(a)
- S(a);N_GUARD::R(C)
- S(b);N_GUARD::B(H)
- S(b);N_GUARD::B(H),XS(b)
- Refutation
- P(d);
- Try
- R(C);
- Vars
- S(a);N_GUARD,XR(D)::R(C)
- S(b);N_GUARD,XR(C)::B(H)
- B(c);::QAB1(G)
- S(a);N_GUARD::R(C),XS(a)
- S(a);N_GUARD::R(C)
- S(b);N_GUARD::B(H)
- S(b);N_GUARD::B(H),XS(b)
- Refutation
- P(d);
- Try
- R(C);
- Vars
- B(c);XR(C)::QAB1(G)
- S(a);N_GUARD,XR(D)::R(C)
- S(a);N_GUARD::R(C),XS(a)
- S(a);N_GUARD::R(C)
- S(b);N_GUARD::B(H)
- S(b);N_GUARD::B(H),XS(b)
- Refutation
- P(d);
- Try
- R(C);
- Vars
- S(a);N_GUARD,XR(D)::R(C)
- B(c);::QAB1(G)
- S(a);N_GUARD::R(C),XS(a)
- S(a);N_GUARD::R(C)
- S(b);N_GUARD::B(H)
- S(b);N_GUARD::B(H),XS(b)
- Refutation
- P(d);
- Try
- R(C);
- Vars
- S(a);N_GUARD,XR(D)::R(C)
- S(b);N_GUARD,XR(C)::B(H)
- B(c);::QAB1(G)
- S(a);N_GUARD::R(C),XS(a)
- S(a);N_GUARD::R(C)
- S(b);N_GUARD::B(H)
- S(b);N_GUARD::B(H),XS(b)
- Refutation
- P(d);
- Try
- R(D);XB(c)
- Threat
- DUALS(3)
- Vars
- S(a);N_GUARD::R(C)
- S(b);N_GUARD::B(H)
- Refutation
- P(e);XR(D)
- Try
- R(D);CHECK,XP(e)
- Refutation
- B(c);XR(D)
- Try
- Q(G);CHECK
- Vars
- K(f);P-FLIGHT,P_SPINB(c)::B(I)+S(F),DCHECK
- K(f);P-FLIGHT::QAR1(G)
- B(c);P_SPINB(c)::QAB1(G)
- Refutation
- P(g);XQ(G)
- Try
- Actual
- S(F);
- Threat
- S(F)
- Vars
- K(f);P_SPINB(c),S_FLIGHT,XS(F)::QAR2(G)
- S(a);N_GUARD,SBLOCK,XS(F)::R(C)
- S(b);N_GUARD,SBLOCK,XS(F)::B(H)
- B(c);SBLOCK::QAB(G)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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