MESON Chess Problem Database
Problem Display
PID: 69745 (8/2KN4/p2Pp3/P2k4/2bpq3/3R4/B5Q1/8 w - - 0 1)
Sujitno, K
Probleemblad, 2006
#2
7 + 6
SOLUTION
- SOUND
- Sets
- 1...Qf3
- 2.Qxf3#
- 1...Bxa2
- 2.Qxa2#
- 1...Bb3
- 2.Bxb3#
- 1...e5
- 2.Qg8#
- 1...Qf3
- Tries
- 1.Rd1?
- 1...Bxa2
- 2.Qxa2#
- 1...Qf3
- 2.Qxf3#
- 1...Bb3
- 2.Bxb3#
- 1...d3
- 2.Rxd3#
- 1...e5
- 2.Qg8#
- 1...Qxg2!
- 1...Bxa2
- 1.Ra3?
- 1...Bxa2
- 2.Qxa2#
- 1...Qf3
- 2.Qxf3#
- 1...Bb3
- 2.Bxb3#
- 1...d3
- 2.Rxd3#
- 1...e5
- 2.Qg8#
- 1...Qxg2!
- 1...Bxa2
- 1.Rb3?
- 1...Bxb3
- 2.Bxb3#
- 1...Qf3
- 2.Qxf3#
- 1...Bf1
- 2.Rd3#
- 2.Rb5#
- 1...Be2
- 2.Rd3#
- 2.Rb5#
- 1...Bd3
- 2.Rxd3#
- 2.Rb5#
- 1...Bb5
- 2.Rxb5#
- 1...d3
- 2.Rxd3#
- 1...e5
- 2.Qg8#
- 1...Qxg2!
- 1...Bxb3
- 1.Re3?
- threat
- 2.Qxe4#
- 1...Qxg2
- 2.Re5#
- 1...Bxa2
- 2.Qxa2#
- 1...Bb3
- 2.Bxb3#
- 1...e5
- 2.Qg8#
- 1...Qf3
- 2.Re5#
- 2.Qxf3#
- 1...dxe3!
- threat
- 1.Rh3?
- 1...Bxa2
- 2.Qxa2#
- 1...Qf3
- 2.Qxf3#
- 1...Bb3
- 2.Bxb3#
- 1...d3
- 2.Rxd3#
- 1...e5
- 2.Qg8#
- 1...Qxg2!
- 1...Bxa2
- 1.Qb2?
- threat
- 2.Qb7#
- 1...Bxa2
- 2.Qxa2#
- 1...Bb3
- 2.Bxb3#
- 2.Qxb3#
- 1...e5!
- threat
- 1.Qg5+?
- 1...Qe5
- 2.Qxe5#
- 1...e5
- 2.Qg8#
- 1...Qf5!
- 1...Qe5
- 1.Qg8?
- threat
- 2.Qa8#
- 1...Bb3
- 2.Bxb3#
- 1...Bxa2!
- threat
- 1.Rd1?
- Keys
- 1.Rf3!
- 1...Qxf3
- 2.Qxf3#
- 1...Bxa2
- 2.Qxa2#
- 1...Qb1
- 2.Rd3#
- 2.Rf5#
- 1...Qc2
- 2.Rf5#
- 1...Qd3
- 2.Rxd3#
- 2.Rf5#
- 1...Qf5
- 2.Rxf5#
- 1...Qg6
- 2.Rf5#
- 1...Qh7
- 2.Rf5#
- 1...Qe1
- 2.Re3#
- 2.Rf5#
- 1...Qe2
- 2.Rf5#
- 1...Qe3
- 2.Rxe3#
- 2.Rf5#
- 1...Qf4
- 2.Rxf4#
- 1...Qg4
- 2.Rf5#
- 1...Qh4
- 2.Rf4#
- 2.Rf5#
- 1...Qe5
- 2.Rf5#
- 1...Bb3
- 2.Bxb3#
- 1...d3
- 2.Rxd3#
- 1...e5
- 2.Qg8#
- 1...Qxf3
- 1.Rf3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 9
- REMOVED MATES = 0
- Sets
- Q(c);OGATEB::QAB(B),XQ(c)
- B(a);N_SPINB(a),OGATE,XB(A)::QAB(B),XB(a)
- B(a);OGATEB::B(A),XB(a)
- P(f);OGATEB::QAB(B)
- Tries
- Try
- R(C);
- Vars
- B(a);N_SPINB(a),OGATE,XB(A)::QAB(B),XB(a)
- Q(c);OGATEB::QAB(B),XQ(c)
- B(a);OGATEB::B(A),XB(a)
- P(b);OGATEB::R(C),XP(b)
- P(f);OGATEB::QAB(B)
- Refutation
- Q(c);N_SPINQ(c),XQ(B)
- Try
- R(C);N_PINP(b)
- Vars
- B(a);N_SPINB(a),OGATE,XB(A)::QAB(B),XB(a)
- Q(c);OGATEB::QAB(B),XQ(c)
- B(a);OGATEB::B(A),XB(a)
- P(b);OGATEB::R(C),XP(b)
- P(f);OGATEB::QAB(B)
- Refutation
- Q(c);N_SPINQ(c),XQ(B)
- Try
- R(C);N_PINB(a),N_PINP(b)
- Vars
- B(a);OGATE,P_SPINB(a),XR(C)::B(A),XB(a)
- Q(c);OGATEB::QAB(B),XQ(c)
- B(a);::B(A)+R(C),DCHECK,XB(a)
- P(b);OGATEB::R(C),XP(b)
- P(f);OGATEB::QAB(B)
- Refutation
- Q(c);N_SPINQ(c),XQ(B)
- Try
- R(C);N_PINP(b)
- Threat
- QAB1(B),XQ(c)
- Vars
- Q(c);N_SPINQ(c),OGATE,XQ(B)::R1(C)
- B(a);N_SPINB(a),OGATE,XB(A)::QAB(B),XB(a)
- B(a);OGATEB::B(A),XB(a)
- P(f);OGATEB::QAB(B)
- Refutation
- P(b);XR(C)
- Try
- R(C);N_PINP(b)
- Vars
- B(a);N_SPINB(a),OGATE,XB(A)::QAB(B),XB(a)
- Q(c);OGATEB::QAB(B),XQ(c)
- B(a);OGATEB::B(A),XB(a)
- P(b);OGATEB::R(C),XP(b)
- P(f);OGATEB::QAB(B)
- Refutation
- Q(c);N_SPINQ(c),XQ(B)
- Try
- Q(B);N_PINQ(c)
- Threat
- QAB(B)
- Vars
- B(a);N_SPINB(a),OGATE,XB(A)::QAB(B),XB(a)
- Refutation
- P(f);
- Try
- Q(B);CHECK,N_PINQ(c)
- Vars
- Q(c);N_GUARD,P_PINP(E),P_SPINQ(c)::QAR1(B),XQ(c)
- P(f);OGATEB::QAB(B)
- Refutation
- Q(c);P_SPINQ(c)
- Try
- Q(B);N_PINQ(c)
- Threat
- QAB(B)
- Vars
- B(a);OGATEB::B(A),XB(a)
- Refutation
- B(a);N_SPINB(a),XB(A)
- Try
- Actual
- R(C);N_PINP(b),N_PINQ(c)
- Vars
- Q(c);OGATE,P_SPINQ(c),XR(C)::QAB(B),XQ(c)
- B(a);N_SPINB(a),OGATE,XB(A)::QAB(B),XB(a)
- Q(c);::QAB(B)+R(C),DCHECK
- Q(c);::QAB(B)+R(C),DCHECK,XQ(c)
- Q(c);P_PINS(G)::QAB(B)+R(C),DCHECK
- Q(c);OGATEB,P_PINP(E)::QAB(B)+R(C),XQ(c)
- Q(c);P_PINP(E),S_CUTP(f),S_CUTP(f)::QAB(B)+R(C)
- B(a);OGATEB::B(A),XB(a)
- P(b);OGATEB::R(C),XP(b)
- P(f);OGATEB::QAB(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).