MESON Chess Problem Database
Problem Display
PID: 83841 (2Q2n2/6p1/Bp1N1p2/3p2bR/2pkN3/1R3p2/5P1B/3Kn3 w - - 0 1)
Degener, Udo
Deutsche Schachzeitung, 1987-1988
#2
9 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Be3
- 2.fxe3#
- 1...cxb3
- 2.Qc3#
- 1...c3
- 2.Rb4#
- 2.Qxc3#
- 1...dxe4
- 2.Qxc4#
- 1...b5
- 2.Qc5#
- 1...Be3
- Tries
- 1.Sd2?
- threat
- 2.Sb5#
- 2.Sf5#
- 1...cxb3
- 2.Sxb3#
- 2.Sf5#
- 1...Bf4
- 2.Sb5#
- 1...c3
- 2.Sf5#
- 2.Rb4#
- 2.Qxc3#
- 1...b5
- 2.Sxb5#
- 2.Sf5#
- 1...f5
- 2.Sb5#
- 2.Sxf5#
- 1...g6
- 2.Sb5#
- 1...Bxd2!
- threat
- 1.Sg3?
- threat
- 2.Sgf5#
- 1...Ke5
- 2.Se2#
- 1...Bf4
- 2.Sb5#
- 1...f5
- 2.Sgxf5#
- 1...g6!
- threat
- 1.Sc5?
- threat
- 2.Sb5#
- 2.Sf5#
- 1...cxb3
- 2.Sxb3#
- 1...Bf4
- 2.Sb5#
- 1...c3
- 2.Sf5#
- 2.Rb4#
- 1...b5
- 2.Sxb5#
- 2.Sf5#
- 1...f5
- 2.Sb5#
- 2.Sxf5#
- 1...g6
- 2.Sb5#
- 1...bxc5!
- threat
- 1.Sxg5?
- threat
- 2.Sb5#
- 2.Sf5#
- 2.Rh4#
- 1...cxb3
- 2.Sf5#
- 2.Rh4#
- 1...Sg2
- 2.Sxf3#
- 2.Sb5#
- 2.Sf5#
- 1...Sd3
- 2.Sxf3#
- 2.Sb5#
- 2.Sf5#
- 1...Se6
- 2.Sxe6#
- 2.Sb5#
- 2.Sf5#
- 1...Sg6
- 2.Se6#
- 2.Sb5#
- 2.Sf5#
- 1...c3
- 2.Sf5#
- 2.Rb4#
- 2.Rh4#
- 2.Qxc3#
- 1...b5
- 2.Sxb5#
- 2.Sf5#
- 2.Rh4#
- 1...f5
- 2.Sb5#
- 2.Sxf5#
- 1...g6
- 2.Sb5#
- 2.Rh4#
- 1...fxg5!
- threat
- 1.Re3?
- threat
- 2.Sb5#
- 2.Sf5#
- 1...dxe4
- 2.Qxc4#
- 1...Bf4
- 2.Sb5#
- 1...b5
- 2.Sxb5#
- 2.Sf5#
- 2.Qc5#
- 1...f5
- 2.Sb5#
- 2.Sxf5#
- 1...g6
- 2.Sb5#
- 1...Bxe3!
- threat
- 1.Qf5?
- threat
- 2.Sb5#
- 1...c3
- 2.Rb4#
- 1...b5
- 2.Sxb5#
- 1...cxb3!
- threat
- 1.Qe6?
- threat
- 2.Sb5#
- 2.Sf5#
- 1...cxb3
- 2.Sf5#
- 1...dxe4
- 2.Qxc4#
- 1...c3
- 2.Sf5#
- 2.Rb4#
- 1...b5
- 2.Sxb5#
- 2.Sf5#
- 1...f5
- 2.Sb5#
- 2.Sxf5#
- 2.Be5#
- 2.Qe5#
- 1...g6
- 2.Sb5#
- 1...Sxe6!
- threat
- 1.Sd2?
- Keys
- 1.Sc3!
- threat
- 2.Scb5#
- 1...Kd3
- 2.Se2#
- 1...cxb3
- 2.Sf5#
- 1...b5
- 2.Scxb5#
- threat
- 1.Sc3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 2
- Sets
- B(f);OGATE::P(B),XB(f)
- P(c);OGATE,XR(D)::QAB1(I)
- P(e);N_GUARD,XS(E)::QAR1(I),XP(c)
- P(g);N_GUARD::QAB1(I)
- Tries
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- B(f);::S(H)
- P(i);::S(H)
- Refutation
- B(f);XS(E)
- Try
- S(E);
- Threat
- S(E)
- Vars
- K(d);P_SPINB(f),S_FLIGHT::B(C)+S(E)
- B(f);::S(H)
- P(h);::S(E),XP(h)
- Refutation
- P(i);
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- P(c);XR(D)::S(E),XP(c)
- B(f);::S(H)
- P(i);::S(H)
- Refutation
- P(g);XS(E)
- Try
- S(E);XB(f)
- Threat
- DUALS(3)
- Refutation
- P(h);XS(E)
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- P(e);N_GUARD,XS(E)::QAR1(I),XP(c)
- B(f);::S(H)
- P(i);::S(H)
- Refutation
- B(f);XR(D)
- Try
- Q(I);
- Threat
- S(H)
- Vars
- P(c);OGATEB::R(D)
- P(g);::S(H),XP(g)
- Refutation
- P(c);XR(D)
- Try
- Q(I);
- Threat
- DUALS(2)
- Vars
- P(c);XR(D)::S(H)
- P(e);OGATE,XS(E)::QAR1(I),XP(c)
- P(i);::S(H)
- Refutation
- S(j);XQ(I)
- Try
- Actual
- S(E);
- Threat
- S(E)
- Vars
- K(d);P-FLIGHT,P_SPINP(c)::R(D)+S(E)
- P(c);XR(D)::S(H)
- P(g);::S(E),XP(g)
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