MESON Chess Problem Database
Problem Display
PID: 51052 (8/8/8/3B4/4QB1K/4P2p/6q1/4R1rk w - - 0 1)
Morsch, Gustav
Burnley Express, 1880
#2
6 + 4
SOLUTION
- SOUND
- Sets
- 1...Qf3
- 2.Qxf3#
- 1...Qxe4
- 2.Bxe4#
- 1...Rf1
- 2.Rxf1#
- 1...h2
- 2.Qxg2#
- 1...Qf3
- Tries
- 1.Kh5?
- 1...Qf3+
- 2.Qxf3#
- 1...Qxe4
- 2.Bxe4#
- 1...Rf1
- 2.Rxf1#
- 1...h2
- 2.Qxg2#
- 1...Rxe1!
- 1...Qf3+
- 1.Bg3?
- 1...Qxe4+
- 2.Bxe4#
- 1...Qf3
- 2.Qxf3#
- 1...Rf1
- 2.Rxf1#
- 1...h2
- 2.Qxg2#
- 1...Rxe1!
- 1...Qxe4+
- 1.Be5?
- 1...Qxe4+
- 2.Bxe4#
- 1...Qf3
- 2.Qxf3#
- 1...Rf1
- 2.Rxf1#
- 1...h2
- 2.Qxg2#
- 1...Rxe1!
- 1...Qxe4+
- 1.Bd6?
- 1...Qxe4+
- 2.Bxe4#
- 1...Qf3
- 2.Qxf3#
- 1...Rf1
- 2.Rxf1#
- 1...h2
- 2.Qxg2#
- 1...Rxe1!
- 1...Qxe4+
- 1.Bc7?
- 1...Qxe4+
- 2.Bxe4#
- 1...Qf3
- 2.Qxf3#
- 1...Rf1
- 2.Rxf1#
- 1...h2
- 2.Qxg2#
- 1...Rxe1!
- 1...Qxe4+
- 1.Bb8?
- 1...Qxe4+
- 2.Bxe4#
- 1...Qf3
- 2.Qxf3#
- 1...Rf1
- 2.Rxf1#
- 1...h2
- 2.Qxg2#
- 1...Rxe1!
- 1...Qxe4+
- 1.Bc6?
- 1...Qxe4
- 2.Bxe4#
- 1...Qf3
- 2.Qxf3#
- 1...Rf1
- 2.Rxf1#
- 1...h2
- 2.Qxg2#
- 1...Rxe1!
- 1...Qxe4
- 1.Bb7?
- 1...Qxe4
- 2.Bxe4#
- 1...Qf3
- 2.Qxf3#
- 1...Rf1
- 2.Rxf1#
- 1...h2
- 2.Qxg2#
- 1...Rxe1!
- 1...Qxe4
- 1.Ba8?
- 1...Qxe4
- 2.Bxe4#
- 1...Qf3
- 2.Qxf3#
- 1...Rf1
- 2.Rxf1#
- 1...h2
- 2.Qxg2#
- 1...Rxe1!
- 1...Qxe4
- 1.Ra1?
- 1...Qxe4
- 2.Bxe4#
- 1...Qf3
- 2.Qxf3#
- 1...Rb1
- 2.Rxb1#
- 2.Qxb1#
- 1...Rc1
- 2.Rxc1#
- 1...Rd1
- 2.Rxd1#
- 1...Re1
- 2.Rxe1#
- 1...Rf1
- 2.Rxf1#
- 1...h2
- 2.Qxg2#
- 1...Rxa1!
- 1...Qxe4
- 1.Rc1?
- 1...Qxe4
- 2.Bxe4#
- 1...Qf3
- 2.Qxf3#
- 1...Rd1
- 2.Rxd1#
- 1...Re1
- 2.Rxe1#
- 1...Rf1
- 2.Rxf1#
- 1...h2
- 2.Qxg2#
- 1...Rxc1!
- 1...Qxe4
- 1.Rd1?
- 1...Qxe4
- 2.Bxe4#
- 1...Qf3
- 2.Qxf3#
- 1...Re1
- 2.Rxe1#
- 1...Rf1
- 2.Rxf1#
- 1...h2
- 2.Qxg2#
- 1...Rxd1!
- 1...Qxe4
- 1.Rf1?
- 1...Qxe4
- 2.Bxe4#
- 1...Qf3
- 2.Qxf3#
- 1...h2
- 2.Qxg2#
- 1...Rxf1!
- 1...Qxe4
- 1.Qb1?
- threat
- 2.Rxg1#
- 1...Rxe1
- 2.Qxe1#
- 1...Rf1
- 2.Rxf1#
- 1...h2!
- threat
- 1.Qc2?
- 1...Qxd5
- 2.Qh2#
- 1...Rf1
- 2.Rxf1#
- 1...Qf3
- 2.Bxf3#
- 2.Qh2#
- 1...Qe4
- 2.Bxe4#
- 2.Qxe4#
- 2.Qh2#
- 1...h2
- 2.Bxg2#
- 2.Qxg2#
- 1...Rxe1!
- 1...Qxd5
- 1.Qf3?
- threat
- 2.Qxh3#
- 1...Qxf3
- 2.Bxf3#
- 1...Rf1
- 2.Rxf1#
- 2.Qxf1#
- 1...h2
- 2.Qxg2#
- 1...Rxe1!
- threat
- 1.Qg6?
- 1...Qxd5
- 2.Rxg1#
- 2.Qxg1#
- 1...Rf1
- 2.Rxf1#
- 1...h2
- 2.Bxg2#
- 2.Qxg2#
- 1...Qf3
- 2.Bxf3#
- 2.Rxg1#
- 2.Qxg1#
- 1...Qe4
- 2.Bxe4#
- 2.Rxg1#
- 2.Qxe4#
- 2.Qxg1#
- 1...Rxe1!
- 1...Qxd5
- 1.Kh5?
- Keys
- 1.Rb1!
- 1...Qxe4
- 2.Bxe4#
- 1...Rxb1
- 2.Qxb1#
- 1...Qf3
- 2.Qxf3#
- 1...Rc1
- 2.Rxc1#
- 1...Rd1
- 2.Rxd1#
- 1...Re1
- 2.Rxe1#
- 1...Rf1
- 2.Rxf1#
- 1...h2
- 2.Qxg2#
- 1...Qxe4
- 1.Rb1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- Q(c);OGATEB::QAB(C),XQ(c)
- Q(c);OGATE,P_PINB(D),XQ(C)::B(F),XQ(c)
- R(a);OGATEB::R(A),XR(a)
- P(d);N_GUARD::QAB1(C),XQ(c)
- Tries
- Try
- K(E);P-FLIGHT
- Vars
- Q(c);CHECK,OGATEB::QAB(C),XQ(c)
- Q(c);OGATE,XQ(C)::B(F),XQ(c)
- R(a);OGATEB::R(A),XR(a)
- P(d);N_GUARD::QAB1(C),XQ(c)
- Refutation
- R(a);N_SPINR(a),XR(A)
- Try
- B(D);
- Vars
- Q(c);CHECK,OGATE,XQ(C)::B(F),XQ(c)
- Q(c);OGATEB::QAB(C),XQ(c)
- R(a);OGATEB::R(A),XR(a)
- P(d);N_GUARD::QAB1(C),XQ(c)
- Refutation
- R(a);N_SPINR(a),XR(A)
- Try
- B(D);
- Vars
- Q(c);CHECK,OGATE,XQ(C)::B(F),XQ(c)
- Q(c);OGATEB::QAB(C),XQ(c)
- R(a);OGATEB::R(A),XR(a)
- P(d);N_GUARD::QAB1(C),XQ(c)
- Refutation
- R(a);N_SPINR(a),XR(A)
- Try
- B(D);
- Vars
- Q(c);CHECK,OGATE,XQ(C)::B(F),XQ(c)
- Q(c);OGATEB::QAB(C),XQ(c)
- R(a);OGATEB::R(A),XR(a)
- P(d);N_GUARD::QAB1(C),XQ(c)
- Refutation
- R(a);N_SPINR(a),XR(A)
- Try
- B(D);
- Vars
- Q(c);CHECK,OGATE,XQ(C)::B(F),XQ(c)
- Q(c);OGATEB::QAB(C),XQ(c)
- R(a);OGATEB::R(A),XR(a)
- P(d);N_GUARD::QAB1(C),XQ(c)
- Refutation
- R(a);N_SPINR(a),XR(A)
- Try
- B(D);
- Vars
- Q(c);CHECK,OGATE,XQ(C)::B(F),XQ(c)
- Q(c);OGATEB::QAB(C),XQ(c)
- R(a);OGATEB::R(A),XR(a)
- P(d);N_GUARD::QAB1(C),XQ(c)
- Refutation
- R(a);N_SPINR(a),XR(A)
- Try
- B(F);
- Vars
- Q(c);OGATE,P_PINB(D),XQ(C)::B(F),XQ(c)
- Q(c);OGATEB::QAB(C),XQ(c)
- R(a);OGATEB::R(A),XR(a)
- P(d);N_GUARD::QAB1(C),XQ(c)
- Refutation
- R(a);N_SPINR(a),XR(A)
- Try
- B(F);
- Vars
- Q(c);OGATE,P_PINB(D),XQ(C)::B(F),XQ(c)
- Q(c);OGATEB::QAB(C),XQ(c)
- R(a);OGATEB::R(A),XR(a)
- P(d);N_GUARD::QAB1(C),XQ(c)
- Refutation
- R(a);N_SPINR(a),XR(A)
- Try
- B(F);
- Vars
- Q(c);OGATE,P_PINB(D),XQ(C)::B(F),XQ(c)
- Q(c);OGATEB::QAB(C),XQ(c)
- R(a);OGATEB::R(A),XR(a)
- P(d);N_GUARD::QAB1(C),XQ(c)
- Refutation
- R(a);N_SPINR(a),XR(A)
- Try
- R(A);
- Vars
- Q(c);OGATE,P_PINB(D),XQ(C)::B(F),XQ(c)
- Q(c);OGATEB::QAB(C),XQ(c)
- R(a);OGATEB::R(A),XR(a)
- P(d);N_GUARD::QAB1(C),XQ(c)
- Refutation
- R(a);N_SPINR(a),XR(A)
- Try
- R(A);
- Vars
- Q(c);OGATE,P_PINB(D),XQ(C)::B(F),XQ(c)
- Q(c);OGATEB::QAB(C),XQ(c)
- R(a);OGATEB::R(A),XR(a)
- P(d);N_GUARD::QAB1(C),XQ(c)
- Refutation
- R(a);N_SPINR(a),XR(A)
- Try
- R(A);
- Vars
- Q(c);OGATE,P_PINB(D),XQ(C)::B(F),XQ(c)
- Q(c);OGATEB::QAB(C),XQ(c)
- R(a);OGATEB::R(A),XR(a)
- P(d);N_GUARD::QAB1(C),XQ(c)
- Refutation
- R(a);N_SPINR(a),XR(A)
- Try
- R(A);
- Vars
- Q(c);OGATE,P_PINB(D),XQ(C)::B(F),XQ(c)
- Q(c);OGATEB::QAB(C),XQ(c)
- P(d);N_GUARD::QAB1(C),XQ(c)
- Refutation
- R(a);N_SPINR(a),XR(A)
- Try
- Q(C);
- Threat
- R1(A),XR(a)
- Vars
- R(a);OGATE,XR(A)::QAR(C),XR(a)
- R(a);OGATEB::R(A),XR(a)
- Refutation
- P(d);
- Try
- Q(C);
- Vars
- Q(c);N_SPINQ(c),OGATE,XB(F)::QAR1(C)
- R(a);OGATEB::R(A),XR(a)
- Refutation
- R(a);N_SPINR(a),XR(A)
- Try
- Q(C);
- Threat
- QAR2(C),XP(d)
- Vars
- Q(c);OGATE,XQ(C)::B(F),XQ(c)
- P(d);N_GUARD::QAB1(C),XQ(c)
- Refutation
- R(a);N_SPINR(a),XR(A)
- Try
- Q(C);
- Vars
- R(a);OGATEB::R(A),XR(a)
- Refutation
- R(a);N_SPINR(a),XR(A)
- Try
- Actual
- R(A);
- Vars
- Q(c);OGATE,P_PINB(D),XQ(C)::B(F),XQ(c)
- R(a);N_SPINR(a),OGATE,XR(A)::QAR(C),XR(a)
- Q(c);OGATEB::QAB(C),XQ(c)
- R(a);OGATEB::R(A),XR(a)
- P(d);N_GUARD::QAB1(C),XQ(c)
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).