MESON Chess Problem Database
Problem Display
PID: 245112 (5K2/R1N1N1R1/1B1k2P1/4pP2/b2n2p1/1p3rp1/1P4B1/3Q4 w - - 0 1)
Haring, Jacobus
De Maasbode, 1957
#2
11 + 8
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Kd7
- 2.Sb5#
- 2.Se8#
- 1...Rf1
- 2.Sc8#
- 1...Rf2
- 2.Sc8#
- 1...Rc3
- 2.Sc8#
- 1...Rd3
- 2.Sc8#
- 1...Re3
- 2.Sc8#
- 1...Rf4
- 2.Sc8#
- 1...Rxf5+
- 2.Sxf5#
- 1...Bb5
- 2.Sxb5#
- 1...Bc6
- 2.Sc8#
- 1...Be8
- 2.Sxe8#
- 1...e4
- 2.Qxd4#
- 1...Kd7
- Tries
- 1.Bxd4?
- threat
- 2.Be3#
- 1...Rxf5+
- 2.Sxf5#
- 1...Kd7
- 2.Be3#
- 1...exd4
- 2.Qxd4#
- 1...Rf1
- 2.Sc8#
- 1...Rf2
- 2.Sc8#
- 2.Bxf2#
- 1...Rc3
- 2.Sc8#
- 1...Rd3
- 2.Sc8#
- 1...Re3
- 2.Sc8#
- 2.Bxe3#
- 1...Rf4
- 2.Sc8#
- 1...Bb5
- 2.Sxb5#
- 1...Bc6
- 2.Sc8#
- 1...e4!
- threat
- 1.Bc5+?
- 1...Kd7
- 2.Se6#
- 1...Kxc5!
- 1...Kd7
- 1.Rxa4?
- 1...Rxf5+
- 2.Sxf5#
- 1...e4
- 2.Qxd4#
- 1...Rf1
- 2.Sc8#
- 1...Rf2
- 2.Sc8#
- 1...Rc3
- 2.Sc8#
- 1...Rd3
- 2.Sc8#
- 1...Re3
- 2.Sc8#
- 1...Rf4
- 2.Sc8#
- 1...Kd7!
- 1...Rxf5+
- 1.Ra5?
- threat
- 2.Rd5#
- 1...Rxf5+
- 2.Sxf5#
- 1...Kd7
- 2.Rd5#
- 1...Bc6
- 2.Sc8#
- 1...Bb5!
- threat
- 1.Rb7?
- 1...Rxf5+
- 2.Sxf5#
- 1...Kd7
- 2.Sb5#
- 2.Se8#
- 1...e4
- 2.Qxd4#
- 1...Rf1
- 2.Sc8#
- 1...Rf2
- 2.Sc8#
- 1...Rc3
- 2.Sc8#
- 1...Rd3
- 2.Sc8#
- 1...Re3
- 2.Sc8#
- 1...Rf4
- 2.Sc8#
- 1...Bb5
- 2.Sxb5#
- 1...Bc6
- 2.Sc8#
- 1...Be8
- 2.Sxe8#
- 1...Bd7!
- 1...Rxf5+
- 1.Rf7?
- 1...Kd7
- 2.Sb5#
- 2.Se8#
- 1...Rxf5
- 2.Sxf5#
- 2.Sc8#
- 1...e4
- 2.Qxd4#
- 1...Rf1
- 2.Sc8#
- 1...Rf2
- 2.Sc8#
- 1...Rc3
- 2.Sc8#
- 1...Rd3
- 2.Sc8#
- 1...Re3
- 2.Sc8#
- 1...Rf4
- 2.Sc8#
- 1...Bb5
- 2.Sxb5#
- 1...Bc6
- 2.Sc8#
- 1...Be8
- 2.Sxe8#
- 1...Bd7!
- 1...Kd7
- 1.Rh7?
- 1...Rxf5+
- 2.Sxf5#
- 1...Kd7
- 2.Sb5#
- 2.Se8#
- 1...e4
- 2.Qxd4#
- 1...Rf1
- 2.Sc8#
- 1...Rf2
- 2.Sc8#
- 1...Rc3
- 2.Sc8#
- 1...Rd3
- 2.Sc8#
- 1...Re3
- 2.Sc8#
- 1...Rf4
- 2.Sc8#
- 1...Bb5
- 2.Sxb5#
- 1...Bc6
- 2.Sc8#
- 1...Be8
- 2.Sxe8#
- 1...Bd7!
- 1...Rxf5+
- 1.Qd3?
- 1...Rxf5+
- 2.Sxf5#
- 1...Kd7
- 2.Sb5#
- 2.Se8#
- 1...Rxd3
- 2.Sc8#
- 1...e4
- 2.Qxd4#
- 1...Rf1
- 2.Sc8#
- 1...Rf2
- 2.Sc8#
- 1...Re3
- 2.Sc8#
- 1...Rf4
- 2.Sc8#
- 1...Bb5
- 2.Sxb5#
- 1...Bc6
- 2.Sc8#
- 1...Be8
- 2.Sxe8#
- 1...Bd7!
- 1...Rxf5+
- 1.Bxd4?
- Keys
- 1.Qd2!
- 1...Rxf5+
- 2.Sxf5#
- 1...Kd7
- 2.Sb5#
- 2.Se8#
- 1...e4
- 2.Qxd4#
- 1...Bd7
- 2.Qb4#
- 1...Rf1
- 2.Sc8#
- 1...Rf2
- 2.Sc8#
- 1...Rc3
- 2.Sc8#
- 1...Rd3
- 2.Sc8#
- 1...Re3
- 2.Sc8#
- 1...Rf4
- 2.Sc8#
- 1...Bb5
- 2.Sxb5#
- 1...Bc6
- 2.Sc8#
- 1...Be8
- 2.Sxe8#
- 1...Rxf5+
- 1.Qd2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(b);::S(I)
- R(b);N_PINP(D)::S(I)
- R(b);N_PINP(D),N_SPINS(e)::S(I)
- R(b);CHECK,XP(D)::S(I),XR(b)
- B(d);N_GUARD::S(H),XB(d)
- B(d);SBLOCK::S(I)
- P(g);N_GUARD::QAR2(A),XS(e)
- Tries
- Try
- B(E);XS(e)
- Threat
- QAR(A)+B(E)
- Vars
- R(b);CHECK,XP(D)::S(I),XR(b)
- K(h);P-FLIGHT::QAR(A)+B(E)
- P(g);OGATE,P_SPINP(g),XB(E)::QAR2(A),XP(g)
- R(b);::S(I)
- R(b);N_PINP(D)::S(I)
- B(d);N_GUARD::S(H),XB(d)
- B(d);SBLOCK::S(I)
- Refutation
- P(g);
- Try
- B(E);CHECK
- Vars
- K(h);P-FLIGHT::R(G)+S(H)
- Refutation
- K(h);N_SPINS(e),S_FLIGHT,XB(E)
- Try
- R(G);XB(d)
- Vars
- R(b);CHECK,XP(D)::S(I),XR(b)
- P(g);N_GUARD::QAR2(A),XS(e)
- R(b);::S(I)
- R(b);N_PINP(D)::S(I)
- R(b);N_PINP(D),N_SPINS(e)::S(I)
- Refutation
- K(h);P-FLIGHT
- Try
- R(G);
- Threat
- R1(G)
- Vars
- R(b);CHECK,XP(D)::S(I),XR(b)
- K(h);P-FLIGHT::R(G)
- B(d);SBLOCK::S(I)
- Refutation
- B(d);
- Try
- R(G);
- Vars
- R(b);CHECK,XP(D)::S(I),XR(b)
- P(g);N_GUARD::QAR2(A),XS(e)
- R(b);::S(I)
- R(b);N_PINP(D)::S(I)
- R(b);N_PINP(D),N_SPINS(e)::S(I)
- B(d);N_GUARD::S(H),XB(d)
- B(d);SBLOCK::S(I)
- Refutation
- B(d);
- Try
- R(J);N_SPINP(D)
- Vars
- P(g);N_GUARD::QAR2(A),XS(e)
- R(b);::S(I)
- R(b);N_SPINS(e)::S(I)
- B(d);N_GUARD::S(H),XB(d)
- B(d);SBLOCK::S(I)
- Refutation
- B(d);
- Try
- R(J);
- Vars
- R(b);CHECK,XP(D)::S(I),XR(b)
- P(g);N_GUARD::QAR2(A),XS(e)
- R(b);::S(I)
- R(b);N_PINP(D)::S(I)
- R(b);N_PINP(D),N_SPINS(e)::S(I)
- B(d);N_GUARD::S(H),XB(d)
- B(d);SBLOCK::S(I)
- Refutation
- B(d);
- Try
- Q(A);
- Vars
- R(b);CHECK,XP(D)::S(I),XR(b)
- R(b);N_PINP(D),N_SPINS(e),XQ(A)::S(I)
- P(g);N_GUARD::QAR2(A),XS(e)
- R(b);::S(I)
- R(b);N_PINP(D)::S(I)
- B(d);N_GUARD::S(H),XB(d)
- B(d);SBLOCK::S(I)
- Refutation
- B(d);
- Try
- Actual
- Q(A);
- Vars
- R(b);CHECK,XP(D)::S(I),XR(b)
- P(g);N_GUARD::QAR2(A),XS(e)
- B(d);SBLOCK::QAB(A)
- R(b);::S(I)
- R(b);N_PINP(D)::S(I)
- R(b);N_PINP(D),N_SPINS(e)::S(I)
- B(d);N_GUARD::S(H),XB(d)
- B(d);SBLOCK::S(I)
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).