MESON Chess Problem Database
Problem Display
PID: 233894 (8/4p2K/2P1p2Q/1Pprkp2/2B3R1/3P4/8/2B5 w - - 0 1)
Hannemann, Knud Harald
Skakbladet, 1918
#2
8 + 6
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rxd3
- 2.Qxe6#
- 1...Rd4
- 2.Qxe6#
- 1...Rd6
- 2.Qg7#
- 1...Rd7
- 2.Qxe6#
- 1...Rd8
- 2.Qxe6#
- 1...fxg4
- 2.Qf4#
- 1...f4
- 2.Qxf4#
- 1...Rxd3
- Tries
- 1.Kg7?
- threat
- 2.Qf4#
- 1...f4
- 2.Qxf4#
- 1...Rd4
- 2.Qxe6#
- 1...Kd6!
- threat
- 1.Bb2+?
- 1...Rd4
- 2.Qxe6#
- 1...Kd6!
- 1...Rd4
- 1.Bd2?
- 1...Rxd3
- 2.Qxe6#
- 1...fxg4
- 2.Qf4#
- 1...f4
- 2.Qxf4#
- 1...Rd4
- 2.Qxe6#
- 1...Rd6
- 2.Qg7#
- 1...Rd7
- 2.Qxe6#
- 1...Rd8
- 2.Qxe6#
- 1...Kd6!
- 1...Rxd3
- 1.Be3?
- 1...Rxd3
- 2.Qxe6#
- 1...fxg4
- 2.Qf4#
- 1...f4
- 2.Qxf4#
- 1...Rd4
- 2.Qxe6#
- 1...Rd6
- 2.Qg7#
- 1...Rd7
- 2.Qxe6#
- 1...Rd8
- 2.Qxe6#
- 1...Kd6!
- 1...Rxd3
- 1.Rf4?
- 1...Rxd3
- 2.Qxe6#
- 1...Rd4
- 2.Qxe6#
- 1...Rd6
- 2.Qg7#
- 1...Rd7
- 2.Qxe6#
- 1...Rd8
- 2.Qxe6#
- 1...Kd6!
- 1...Rxd3
- 1.Rh4?
- 1...Rxd3
- 2.Qxe6#
- 1...f4
- 2.Qxf4#
- 1...Rd4
- 2.Qxe6#
- 1...Rd6
- 2.Qg7#
- 1...Rd7
- 2.Qxe6#
- 1...Rd8
- 2.Qxe6#
- 1...Kd6!
- 1...Rxd3
- 1.Rg6?
- threat
- 2.Qf4#
- 1...Kd4
- 2.Bb2#
- 1...f4
- 2.Qxf4#
- 1...Rd4
- 2.Rxe6#
- 1...Kd6!
- threat
- 1.Qh2+?
- 1...f4
- 2.Qxf4#
- 1...Kf6!
- 1...f4
- 1.b6?
- 1...Rxd3
- 2.Qxe6#
- 1...fxg4
- 2.Qf4#
- 1...f4
- 2.Qxf4#
- 1...Rd4
- 2.Qxe6#
- 1...Rd6
- 2.Qg7#
- 1...Rd7
- 2.Qxe6#
- 1...Rd8
- 2.Qxe6#
- 1...Kd6!
- 1...Rxd3
- 1.c7?
- 1...Rxd3
- 2.Qxe6#
- 1...fxg4
- 2.Qf4#
- 1...f4
- 2.Qxf4#
- 1...Rd4
- 2.Qxe6#
- 1...Rd6
- 2.Qg7#
- 1...Rd7
- 2.Qxe6#
- 1...Rd8
- 2.Qxe6#
- 1...Kd6!
- 1...Rxd3
- 1.Kg7?
- Keys
- 1.Rd4!
- 1...Kxd4
- 2.Bb2#
- 1...Kd6
- 2.Bf4#
- 1...Rxd4
- 2.Qxe6#
- 1...cxd4
- 2.Bf4#
- 1...f4
- 2.Qxf4#
- 1...Rd6
- 2.Qg7#
- 1...Rd7
- 2.Qg7#
- 1...Rd8
- 2.Qg7#
- 1...Kxd4
- 1.Rd4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 2
- ADDED MATES = 3
- REMOVED MATES = 2
- Sets
- R(b);XP(B)::QAR1(G),XP(e)
- R(b);::QAR1(G),XP(e)
- R(b);SBLOCK::QAB(G)
- P(d);XR(D)::QAB1(G)
- P(d);::QAB1(G),XP(d)
- Tries
- Try
- K(H);P-FLIGHT
- Threat
- QAB1(G)
- Vars
- P(d);::QAB1(G),XP(d)
- R(b);::QAR1(G),XP(e)
- Refutation
- K(c);P_SPINP(e),S_FLIGHT
- Try
- B(A);CHECK
- Vars
- R(b);P_SPINR(b)::QAR1(G),XP(e)
- Refutation
- K(c);P_SPINP(e),S_FLIGHT
- Try
- B(A);
- Vars
- R(b);XP(B)::QAR1(G),XP(e)
- P(d);XR(D)::QAB1(G)
- P(d);::QAB1(G),XP(d)
- R(b);::QAR1(G),XP(e)
- R(b);SBLOCK::QAB(G)
- Refutation
- K(c);P_SPINP(e),S_FLIGHT
- Try
- B(A);
- Vars
- R(b);XP(B)::QAR1(G),XP(e)
- P(d);XR(D)::QAB1(G)
- P(d);::QAB1(G),XP(d)
- R(b);::QAR1(G),XP(e)
- R(b);SBLOCK::QAB(G)
- Refutation
- K(c);P_SPINP(e),S_FLIGHT
- Try
- R(D);
- Vars
- R(b);XP(B)::QAR1(G),XP(e)
- R(b);::QAR1(G),XP(e)
- R(b);SBLOCK::QAB(G)
- Refutation
- K(c);P_SPINP(e),S_FLIGHT
- Try
- R(D);
- Vars
- R(b);XP(B)::QAR1(G),XP(e)
- P(d);::QAB1(G),XP(d)
- R(b);::QAR1(G),XP(e)
- R(b);SBLOCK::QAB(G)
- Refutation
- K(c);P_SPINP(e),S_FLIGHT
- Try
- R(D);
- Threat
- QAB1(G)
- Vars
- K(c);S_FLIGHT::B(A)
- P(d);::QAB1(G),XP(d)
- R(b);SBLOCK::R1(D),XP(e)
- Refutation
- K(c);P_SPINP(e),S_FLIGHT
- Try
- Q(G);CHECK
- Vars
- P(d);P_SPINP(d)::QAB1(G),XP(d)
- Refutation
- K(c);S_FLIGHT
- Try
- P(E);
- Vars
- R(b);XP(B)::QAR1(G),XP(e)
- P(d);XR(D)::QAB1(G)
- P(d);::QAB1(G),XP(d)
- R(b);::QAR1(G),XP(e)
- R(b);SBLOCK::QAB(G)
- Refutation
- K(c);P_SPINP(e),S_FLIGHT
- Try
- P(F);
- Vars
- R(b);XP(B)::QAR1(G),XP(e)
- P(d);XR(D)::QAB1(G)
- P(d);::QAB1(G),XP(d)
- R(b);::QAR1(G),XP(e)
- R(b);SBLOCK::QAB(G)
- Refutation
- K(c);P_SPINP(e),S_FLIGHT
- Try
- Actual
- R(D);
- Vars
- K(c);OGATEB,S_FLIGHT,XR(D)::B(A)
- K(c);P_SPINP(e),P_SPINR(b),S_FLIGHT::B(A)
- R(b);SBLOCK,XR(D)::QAR1(G),XP(e)
- P(a);SBLOCK,XR(D)::B(A)
- P(d);::QAB1(G),XP(d)
- R(b);::QAB(G)
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).