MESON Chess Problem Database
Problem Display
PID: 64560 (2BK4/1R3p2/1n4N1/2B5/pN2k1P1/rb1R2P1/5r2/1Q1q2b1 w - - 0 1)
Dittrich, Stefan
1/2 Prize, Freie Presse, 1981
#2
10 + 9
| 3752 | FIDE Album (1980-1982) | 1988 |
SOLUTION
- SOUND
- Sets
- 1...Qc2
- 2.Re3#
- 1...Qe2
- 2.Re3#
- 1...Qf3
- 2.Re3#
- 1...Qxg4
- 2.Re3#
- 1...Qxb1
- 2.Re3#
- 1...Qc1
- 2.Re3#
- 1...Qe1
- 2.Re3#
- 1...Qf1
- 2.Re3#
- 1...Qxd3+
- 2.Qxd3#
- 1...Rfa2
- 2.Bf5#
- 1...Rb2
- 2.Bf5#
- 1...Rc2
- 2.Bf5#
- 1...Rd2
- 2.Bf5#
- 1...Re2
- 2.Bf5#
- 1...Rg2
- 2.Bf5#
- 1...Rh2
- 2.Bf5#
- 1...Rf5
- 2.Bxf5#
- 1...Bc2
- 2.Re7#
- 1...Bd5
- 2.Re3#
- 1...Sd5
- 2.Re3#
- 1...Sd7
- 2.Re3#
- 1...Qc2
- Tries
- 1.Bd7?
- threat
- 2.Re3#
- 1...Qxd3
- 2.Qxd3#
- 1...Rc2
- 2.Bf5#
- 1...Bc2!
- threat
- 1.Rd4+?
- 1...Ke3
- 2.Qe4#
- 1...Kf3!
- 1...Ke3
- 1.Rbd7?
- threat
- 2.Re3#
- 2.R7d4#
- 1...Qxd3
- 2.Qxd3#
- 1...Sxd7
- 2.Re3#
- 1...fxg6
- 2.Re3#
- 1...Rf1
- 2.Re3#
- 1...Rfa2
- 2.Re3#
- 1...Rb2
- 2.Re3#
- 1...Rd2
- 2.Re3#
- 1...Re2
- 2.Re3#
- 1...Rg2
- 2.Re3#
- 1...Rh2
- 2.Re3#
- 1...Rf3
- 2.Re3#
- 1...Rf4
- 2.Re3#
- 1...Rf5
- 2.Re3#
- 1...Rf6
- 2.Re3#
- 1...Bc2
- 2.R7d4#
- 2.Re7#
- 1...Bd5
- 2.Re3#
- 1...Sd5
- 2.Re3#
- 1...Rc2!
- threat
- 1.Qb2?
- threat
- 2.Qd4#
- 2.Qe5#
- 1...Rxb2
- 2.Bf5#
- 1...fxg6
- 2.Qd4#
- 1...Qa1
- 2.Re3#
- 1...Rf1
- 2.Qe5#
- 1...Rc2
- 2.Bf5#
- 2.Qe5#
- 1...Rd2
- 2.Bf5#
- 2.Qe5#
- 1...Re2
- 2.Bf5#
- 2.Qe5#
- 1...Rg2
- 2.Bf5#
- 2.Qe5#
- 1...Rh2
- 2.Bf5#
- 2.Qe5#
- 1...Rf3
- 2.Qe5#
- 1...Rf4
- 2.Qe5#
- 1...Rf5
- 2.Bxf5#
- 1...Rf6
- 2.Qe5#
- 1...Sc4
- 2.Qd4#
- 1...Sd7
- 2.Re3#
- 2.Qd4#
- 1...f6
- 2.Qd4#
- 1...Qxd3+!
- threat
- 1.Bd7?
- Keys
- 1.Ke8!
- threat
- 2.Re3#
- 1...Qxd3
- 2.Qxd3#
- 1...Rc2
- 2.Bf5#
- 1...Bc2
- 2.Re7#
- threat
- 1.Ke8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 18
- Sets
- Q(a);N_PINR(B)::R1(B)
- Q(a);N_PINR(B)::QAB(A)+R(B),DCHECK
- Q(a);N_PINR(B),XP(E)::QAB(A)+R(B),DCHECK
- Q(a);N_PINR(B),XQ(A)::R1(B)
- Q(a);CHECK,OGATE,P_SPINQ(a),XR(B)::QAB1(A),XQ(a)
- R(c);N_GUARD::B(I)
- R(c);N_GUARD::B(I),XR(c)
- B(e);N_GUARD::R(H)
- B(e);N_PINR(B)::QAB(A)+R(B),DCHECK
- S(h);N_PINR(B)::QAB(A)+R(B),DCHECK
- Tries
- Try
- B(I);N_SPINR(B)
- Threat
- QAB(A)+R(B),DCHECK
- Vars
- Q(a);OGATE,P_PINB(I),P_SPINQ(a),XR(B)::QAB1(A),XQ(a)
- R(c);N_GUARD::B(I)
- Refutation
- B(e);
- Try
- R(B);CHECK
- Vars
- K(g);P-FLIGHT::QAR1(A)
- Refutation
- K(g);S_FLIGHT
- Try
- R(H);N_SPINR(B)
- Threat
- DUALS(2)
- Vars
- Q(a);OGATE,P_PINR(H),P_SPINQ(a),XR(B)::QAB1(A),XQ(a)
- S(h);XR(H)::QAB(A)+R(B),DCHECK
- P(i);XS(G)::QAB(A)+R(B),DCHECK
- R(c);::QAB(A)+R(B),DCHECK
- B(e);::QAB(A)+R(B),DCHECK
- S(h);::QAB(A)+R(B),DCHECK
- Refutation
- R(c);
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- R(c);N_GUARD,XQ(A)::B(I)
- P(i);XS(G)::QAR1(A)
- Q(a);N_PINR(B)::R1(B)
- R(c);::QAR1(A)
- R(c);N_GUARD::B(I),XR(c)
- S(h);::QAR1(A)
- P(i);::QAR1(A)
- Refutation
- Q(a);CHECK,XR(B)
- Try
- Actual
- K(J);N_SPINR(B),P-FLIGHT
- Threat
- QAB(A)+R(B),DCHECK
- Vars
- Q(a);OGATE,P_SPINQ(a),XR(B)::QAB1(A),XQ(a)
- R(c);N_GUARD::B(I)
- B(e);N_GUARD::R(H)
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).