MESON Chess Problem Database
Problem Display
PID: 170494 (8/4pp2/3pPn1R/Np1k1p2/1P2qQ1N/5B2/1K6/4R3 w - - 0 1)
Hoffmann, Martin Wolfgang
Basler Nachrichten, 1971
#2
9 + 8
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Kd4
- 2.Rd1#
- 1...Kxe6
- 2.Qxf5#
- 1...Sg4
- 2.Rd1#
- 1...Sh5
- 2.Rd1#
- 1...Sd7
- 2.Rd1#
- 1...Sh7
- 2.Rd1#
- 1...Se8
- 2.Rd1#
- 1...Sg8
- 2.Rd1#
- 1...fxe6
- 2.Rd1#
- 1...Kd4
- Tries
- 1.Kb3?
- 1...Kd4
- 2.Rd1#
- 1...Kxe6
- 2.Qxf5#
- 1...fxe6
- 2.Rd1#
- 1...Sg4
- 2.Rd1#
- 1...Sh5
- 2.Rd1#
- 1...Sd7
- 2.Rd1#
- 1...Sh7
- 2.Rd1#
- 1...Se8
- 2.Rd1#
- 1...Sg8
- 2.Rd1#
- 1...Qxf3+!
- 1...Kd4
- 1.Kc3?
- threat
- 2.Qxf5#
- 1...Kxe6
- 2.Qxf5#
- 1...fxe6
- 2.Rd1#
- 1...Sg4
- 2.Rd1#
- 1...Sd7
- 2.Rd1#
- 1...Qxf3+!
- threat
- 1.Sxf5?
- 1...Qxf3
- 2.Sxe7#
- 2.Qd4#
- 1...fxe6
- 2.Rd1#
- 1...Sg4
- 2.Bxe4#
- 2.Rd1#
- 2.Qxe4#
- 1...Sh5
- 2.Bxe4#
- 2.Rd1#
- 2.Qxe4#
- 1...Sd7
- 2.Bxe4#
- 2.Rd1#
- 2.Qxe4#
- 1...Sh7
- 2.Bxe4#
- 2.Rd1#
- 2.Qxe4#
- 1...Se8
- 2.Bxe4#
- 2.Rd1#
- 2.Qxe4#
- 1...Sg8
- 2.Bxe4#
- 2.Rd1#
- 2.Qxe4#
- 1...Kxe6!
- 1...Qxf3
- 1.Bg2?
- 1...Kd4
- 2.Rd1#
- 1...Kxe6
- 2.Qxf5#
- 1...fxe6
- 2.Rd1#
- 1...Qf3
- 2.Qd2#
- 1...Sg4
- 2.Rd1#
- 1...Sh5
- 2.Rd1#
- 1...Sd7
- 2.Rd1#
- 1...Sh7
- 2.Rd1#
- 1...Se8
- 2.Rd1#
- 1...Sg8
- 2.Rd1#
- 1...Qxg2+!
- 1...Kd4
- 1.Re2?
- 1...Kd4
- 2.Rd2#
- 1...Kxe6
- 2.Qxf5#
- 1...fxe6
- 2.Rd2#
- 1...Sg4
- 2.Rd2#
- 1...Sh5
- 2.Rd2#
- 1...Sd7
- 2.Rd2#
- 1...Sh7
- 2.Rd2#
- 1...Se8
- 2.Rd2#
- 1...Sg8
- 2.Rd2#
- 1...Qxf3!
- 1...Kd4
- 1.Rh5?
- 1...Kd4
- 2.Rd1#
- 1...Kxe6
- 2.Qxf5#
- 1...Qxf3
- 2.Rxf5#
- 1...fxe6
- 2.Rd1#
- 1...Sg4
- 2.Qxe4#
- 1...Sd7
- 2.Qxe4#
- 1...Sh7
- 2.Qxe4#
- 1...Se8
- 2.Qxe4#
- 1...Sg8
- 2.Qxe4#
- 1...Sxh5!
- 1...Kd4
- 1.Rxf6?
- threat
- 2.Rd1#
- 1...Kd4
- 2.Rd1#
- 1...Qxf3
- 2.Rxf5#
- 1...exf6!
- threat
- 1.Kb3?
- Keys
- 1.Bh1!
- 1...Qg2+
- 2.Qd2#
- 1...Kd4
- 2.Rd1#
- 1...Kxe6
- 2.Qxf5#
- 1...Qxh1
- 2.Qd2#
- 1...fxe6
- 2.Rd1#
- 1...Qf3
- 2.Qd2#
- 1...Sg4
- 2.Rd1#
- 1...Sh5
- 2.Rd1#
- 1...Sd7
- 2.Rd1#
- 1...Sh7
- 2.Rd1#
- 1...Se8
- 2.Rd1#
- 1...Sg8
- 2.Rd1#
- 1...Qg2+
- 1.Bh1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- K(c);P-FLIGHT::R(A)
- K(c);P_SPINS(f),S_FLIGHT,XP(H)::QAB1(E),XP(d)
- S(f);::R(A)
- P(h);SBLOCK,XP(H)::R(A)
- Tries
- Try
- K(B);P-FLIGHT
- Vars
- K(c);P-FLIGHT::R(A)
- K(c);P_SPINS(f),S_FLIGHT,XP(H)::QAB1(E),XP(d)
- P(h);SBLOCK,XP(H)::R(A)
- S(f);::R(A)
- Refutation
- Q(a);CHECK,N_SPINQ(a),XB(C)
- Try
- K(B);S_FLIGHT
- Threat
- QAR2(E),XP(d)
- Vars
- K(c);P_SPINS(f),S_FLIGHT,XP(H)::QAB1(E),XP(d)
- P(h);SBLOCK,XP(H)::R(A)
- S(f);::R(A)
- Refutation
- Q(a);CHECK,N_SPINQ(a),XB(C)
- Try
- S(F);XP(d)
- Vars
- P(h);SBLOCK,XP(H)::R(A)
- Refutation
- K(c);P_SPINS(f),S_FLIGHT,XP(H)
- Try
- B(C);
- Vars
- K(c);P-FLIGHT::R(A)
- K(c);P_SPINS(f),S_FLIGHT,XP(H)::QAB1(E),XP(d)
- P(h);SBLOCK,XP(H)::R(A)
- Q(a);::QAR(E)
- S(f);::R(A)
- Refutation
- Q(a);CHECK,N_SPINQ(a),XB(C)
- Try
- R(A);
- Vars
- K(c);P-FLIGHT::R(A)
- K(c);P_SPINS(f),S_FLIGHT,XP(H)::QAB1(E),XP(d)
- P(h);SBLOCK,XP(H)::R(A)
- S(f);::R(A)
- Refutation
- Q(a);N_SPINQ(a),XB(C)
- Try
- R(I);P_PINP(d)
- Vars
- K(c);N_SPINP(d),P-FLIGHT::R(A)
- K(c);N_SPINP(d),S_FLIGHT,XP(H)::QAB1(E),XP(d)
- Q(a);N_SPINQ(a),XB(C)::R(I),XP(d)
- P(h);SBLOCK,XP(H)::R(A)
- S(f);N_GUARD::QAB1(E),XQ(a)
- Refutation
- S(f);N_SPINP(d),XR(I)
- Try
- R(I);XS(f)
- Threat
- R(A)
- Vars
- K(c);P-FLIGHT::R(A)
- Q(a);N_SPINQ(a),XB(C)::R(I),XP(d)
- Refutation
- P(g);XR(I)
- Try
- Actual
- B(C);
- Vars
- Q(a);CHECK::QAR(E)
- K(c);P-FLIGHT::R(A)
- K(c);P_SPINS(f),S_FLIGHT,XP(H)::QAB1(E),XP(d)
- Q(a);N_SPINQ(a),XB(C)::QAR(E)
- P(h);SBLOCK,XP(H)::R(A)
- Q(a);::QAR(E)
- S(f);::R(A)
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).