MESON Chess Problem Database
Problem Display
PID: 22365 (6B1/1K4p1/6p1/2p1P3/p3Rb2/p2k1NR1/Q7/2rN1b2 w - - 0 1)
Pospisil, Josef
3rd Prize, Illustrated Family Journal, 1886
#2
8 + 9
| 3804 | Ceske Melodie | 1908 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Qc4#
- 1...Rb1+
- 2.Qxb1#
- 1...Rxd1
- 2.Qc4#
- 1...Rc2
- 2.Qd5#
- 1...Rc3
- 2.Sf2#
- 1...Rc4
- 2.Qxc4#
- 1...Be2
- 2.Qxe2#
- 1...Bg2
- 2.Qe2#
- 1...Bh3
- 2.Qe2#
- 1...Bd2
- 2.Sxd2#
- 1...Be3
- 2.Rxe3#
- 1...Bxg3
- 2.Re3#
- 1...Bxe5
- 2.Re3#
- 1...Bg5
- 2.Sxg5#
- 1...Bh6
- 2.Sg5#
- 1...c4
- 2.Rd4#
- 1...Ra1
- Tries
- 1.Sd2+?
- 1...Be3
- 2.Rgxe3#
- 1...Bxg3!
- 1...Be3
- 1.Sd4+?
- 1...Kxe4
- 2.Qd5#
- 1...Be3
- 2.Rgxe3#
- 1...Bxg3!
- 1...Kxe4
- 1.Sh4+?
- 1...Kxe4
- 2.Qd5#
- 1...Be3
- 2.Rgxe3#
- 1...Bxg3!
- 1...Kxe4
- 1.Sg5+?
- 1...Be3
- 2.Rgxe3#
- 1...Bxg3!
- 1...Be3
- 1.Bc4+?
- 1...Rxc4
- 2.Qxc4#
- 1...Kxe4!
- 1...Rxc4
- 1.Bd5?
- threat
- 2.Se1#
- 1...Rb1+
- 2.Qxb1#
- 1...Bxg3
- 2.Re3#
- 2.Qd2#
- 1...Rc2!
- threat
- 1.Be6?
- 1...Rb1+
- 2.Qxb1#
- 1...Kxe4
- 2.Qd5#
- 1...Rxd1
- 2.Qc4#
- 1...Bxg3
- 2.Re3#
- 1...Bxe5
- 2.Re3#
- 1...Ra1
- 2.Qc4#
- 1...Rc2
- 2.Qd5#
- 1...Rc3
- 2.Sf2#
- 1...Rc4
- 2.Qxc4#
- 1...Be2
- 2.Qxe2#
- 1...Bg2
- 2.Qe2#
- 1...Bh3
- 2.Qe2#
- 1...Bd2
- 2.Sxd2#
- 1...Be3
- 2.Rxe3#
- 1...Bg5
- 2.Sxg5#
- 1...Bh6
- 2.Sg5#
- 1...c4
- 2.Rd4#
- 1...g5!
- 1...Rb1+
- 1.Bf7?
- 1...Rb1+
- 2.Qxb1#
- 1...Kxe4
- 2.Bxg6#
- 1...Rxd1
- 2.Qc4#
- 1...Bxg3
- 2.Re3#
- 1...Bxe5
- 2.Re3#
- 1...Ra1
- 2.Qc4#
- 1...Rc2
- 2.Qd5#
- 1...Rc3
- 2.Sf2#
- 1...Rc4
- 2.Qxc4#
- 1...Be2
- 2.Qxe2#
- 1...Bg2
- 2.Qe2#
- 1...Bh3
- 2.Qe2#
- 1...Bd2
- 2.Sxd2#
- 1...Be3
- 2.Rxe3#
- 1...Bg5
- 2.Sxg5#
- 1...Bh6
- 2.Sg5#
- 1...c4
- 2.Rd4#
- 1...g5!
- 1...Rb1+
- 1.Sd2+?
- Keys
- 1.Bh7!
- 1...Rb1+
- 2.Qxb1#
- 1...Kxe4
- 2.Bxg6#
- 1...Rxd1
- 2.Qc4#
- 1...Bxg3
- 2.Re3#
- 1...Bxe5
- 2.Re3#
- 1...g5
- 2.Se1#
- 2.Re3#
- 2.Rd4#
- 1...Ra1
- 2.Qc4#
- 1...Rc2
- 2.Qd5#
- 1...Rc3
- 2.Sf2#
- 1...Rc4
- 2.Qxc4#
- 1...Be2
- 2.Qxe2#
- 1...Bg2
- 2.Qe2#
- 1...Bh3
- 2.Qe2#
- 1...Bd2
- 2.Sxd2#
- 1...Be3
- 2.Rxe3#
- 1...Bg5
- 2.Sxg5#
- 1...Bh6
- 2.Sg5#
- 1...c4
- 2.Rd4#
- 1...Rb1+
- 1.Bh7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(a);N_GUARD::QAB1(B)
- R(a);CHECK,N_GUARD::QAB(B),XR(a)
- R(a);N_GUARD,XS(A)::QAB1(B)
- R(a);SBLOCK::QAR2(B)
- R(a);SBLOCK::S(A)
- R(a);N_GUARD::QAB1(B),XR(a)
- B(b);N_GUARD::QAB1(B),XB(b)
- B(b);N_GUARD::QAB1(B)
- B(f);N_GUARD::R(D)+S(C),XB(f)
- B(f);N_GUARD::R1(E),XB(f)
- B(f);N_GUARD,XR(D)::R1(E)
- B(f);N_GUARD,XP(F)::R1(E)
- B(f);N_GUARD::R(D)+S(C)
- P(g);N_GUARD::R1(E)
- Tries
- Try
- S(C);CHECK
- Vars
- B(f);N_GUARD,P_SPINB(f)::R1(D),XB(f)
- Refutation
- B(f);XR(D)
- Try
- S(C);CHECK
- Vars
- K(d);S_FLIGHT,XR(E)::QAB1(B)
- B(f);N_GUARD,P_SPINB(f)::R1(D),XB(f)
- Refutation
- B(f);XR(D)
- Try
- S(C);CHECK
- Vars
- K(d);S_FLIGHT,XR(E)::QAB1(B)
- B(f);N_GUARD,P_SPINB(f)::R1(D),XB(f)
- Refutation
- B(f);XR(D)
- Try
- S(C);CHECK
- Vars
- B(f);N_GUARD,P_SPINB(f)::R1(D),XB(f)
- Refutation
- B(f);XR(D)
- Try
- B(H);CHECK
- Vars
- R(a);OGATE,XB(H)::QAB1(B),XR(a)
- Refutation
- K(d);S_FLIGHT,XR(E)
- Try
- B(H);
- Threat
- R(D)+S(C),DCHECK
- Vars
- R(a);CHECK,N_GUARD::QAB(B),XR(a)
- Refutation
- R(a);
- Try
- B(H);
- Vars
- R(a);CHECK,N_GUARD::QAB(B),XR(a)
- K(d);S_FLIGHT,XR(E)::QAB1(B)
- R(a);N_GUARD,XS(A)::QAB1(B)
- B(f);N_GUARD,XR(D)::R1(E)
- B(f);N_GUARD,XP(F)::R1(E)
- R(a);N_GUARD::QAB1(B)
- R(a);SBLOCK::QAR2(B)
- R(a);SBLOCK::S(A)
- R(a);N_GUARD::QAB1(B),XR(a)
- B(b);N_GUARD::QAB1(B),XB(b)
- B(b);N_GUARD::QAB1(B)
- B(f);N_GUARD::R(D)+S(C),XB(f)
- B(f);N_GUARD::R1(E),XB(f)
- B(f);N_GUARD::R(D)+S(C)
- P(g);N_GUARD::R1(E)
- Refutation
- P(h);
- Try
- B(H);
- Vars
- R(a);CHECK,N_GUARD::QAB(B),XR(a)
- K(d);OGATEB,S_FLIGHT,XR(E)::B(H),XP(h)
- R(a);N_GUARD,XS(A)::QAB1(B)
- B(f);N_GUARD,XR(D)::R1(E)
- B(f);N_GUARD,XP(F)::R1(E)
- R(a);N_GUARD::QAB1(B)
- R(a);SBLOCK::QAR2(B)
- R(a);SBLOCK::S(A)
- R(a);N_GUARD::QAB1(B),XR(a)
- B(b);N_GUARD::QAB1(B),XB(b)
- B(b);N_GUARD::QAB1(B)
- B(f);N_GUARD::R(D)+S(C),XB(f)
- B(f);N_GUARD::R1(E),XB(f)
- B(f);N_GUARD::R(D)+S(C)
- P(g);N_GUARD::R1(E)
- Refutation
- P(h);
- Try
- Actual
- B(H);
- Vars
- R(a);CHECK,N_GUARD::QAB(B),XR(a)
- K(d);OGATEB,P_SPINP(h),S_FLIGHT,XR(E)::B(H),XP(h)
- R(a);N_GUARD,XS(A)::QAB1(B)
- B(f);N_GUARD,XR(D)::R1(E)
- B(f);N_GUARD,XP(F)::R1(E)
- R(a);N_GUARD::QAB1(B)
- R(a);SBLOCK::QAR2(B)
- R(a);SBLOCK::S(A)
- R(a);N_GUARD::QAB1(B),XR(a)
- B(b);N_GUARD::QAB1(B),XB(b)
- B(b);N_GUARD::QAB1(B)
- B(f);N_GUARD::R(D)+S(C),XB(f)
- B(f);N_GUARD::R1(E),XB(f)
- B(f);N_GUARD::R(D)+S(C)
- P(g);N_GUARD::R1(E)
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).