MESON Chess Problem Database
Problem Display
PID: 198513 (2n2B2/bB1p4/Pk1rQ3/pN3n2/p3p3/3N4/8/1RK5 w - - 0 1)
Heinonen, Unto
3rd Prize, Gevers MT, 1983
#2
8 + 9
| 5110 | Bekroonde Problemen | 2002 |
SOLUTION
- SOUND
- Sets
- 1...Rc6+
- 2.Bc5#
- 1...Rxe6
- 2.Bc5#
- 1...Rc6+
- Tries
- 1.Se5?
- threat
- 2.Sxd7#
- 1...Rc6+
- 2.Sc4#
- 1...Kc5
- 2.Sxd7#
- 1...dxe6!
- threat
- 1.Qc4?
- threat
- 2.Sa3#
- 2.Sc3#
- 2.Sd4#
- 2.Sxd6#
- 2.Sc7#
- 2.Qc5#
- 2.Qc7#
- 1...Rxd3
- 2.Sc3#
- 2.Bc5#
- 2.Qc5#
- 2.Qc7#
- 1...exd3
- 2.Sa3#
- 2.Sc3#
- 2.Sd4#
- 2.Sxd6#
- 2.Sc7#
- 2.Qc7#
- 1...Rd4
- 2.Sa3#
- 2.Sc3#
- 2.Sxd4#
- 2.Sd6#
- 2.Sc7#
- 2.Bc5#
- 2.Qc5#
- 2.Qc7#
- 1...Rd5
- 2.Qc7#
- 1...Re6
- 2.Sa3#
- 2.Sc3#
- 2.Sd4#
- 2.Sd6#
- 2.Sc7#
- 2.Bc5#
- 2.Qc5#
- 2.Qc7#
- 1...Rf6
- 2.Sa3#
- 2.Sc3#
- 2.Sd4#
- 2.Sd6#
- 2.Sc7#
- 2.Bc5#
- 2.Qc5#
- 2.Qc7#
- 1...Rg6
- 2.Sa3#
- 2.Sc3#
- 2.Sd4#
- 2.Sd6#
- 2.Sc7#
- 2.Bc5#
- 2.Qc5#
- 2.Qc7#
- 1...Rh6
- 2.Sa3#
- 2.Sc3#
- 2.Sd4#
- 2.Sd6#
- 2.Sc7#
- 2.Bc5#
- 2.Qc5#
- 2.Qc7#
- 1...Bb8
- 2.Qc5#
- 1...Sd4
- 2.Sxd4#
- 2.Qc5#
- 2.Qc7#
- 1...a3
- 2.Sxa3#
- 2.Sc3#
- 2.Sd4#
- 2.Sxd6#
- 2.Sc7#
- 2.Qc5#
- 2.Qc7#
- 1...Rc6!
- threat
- 1.Qxd7?
- threat
- 2.Sa3#
- 2.Sc3#
- 2.Sd4#
- 2.Sxd6#
- 2.Sc7#
- 2.Qc7#
- 1...Rc6+
- 2.Sc3#
- 2.Qxc6#
- 1...Rxd3
- 2.Sc3#
- 2.Qc6#
- 2.Qc7#
- 1...Rxd7
- 2.Bc5#
- 1...exd3
- 2.Qc7#
- 1...Rd4
- 2.Sxd4#
- 2.Bc5#
- 2.Qc6#
- 2.Qc7#
- 1...Rd5
- 2.Qc6#
- 2.Qc7#
- 1...Re6
- 2.Sa3#
- 2.Sc3#
- 2.Sd4#
- 2.Sd6#
- 2.Sc7#
- 2.Bc5#
- 2.Qc7#
- 2.Qd8#
- 1...Rf6
- 2.Sa3#
- 2.Sc3#
- 2.Sd4#
- 2.Sd6#
- 2.Sc7#
- 2.Bc5#
- 2.Qc7#
- 2.Qd8#
- 1...Rg6
- 2.Sa3#
- 2.Sc3#
- 2.Sd4#
- 2.Sd6#
- 2.Sc7#
- 2.Bc5#
- 2.Qc7#
- 2.Qd8#
- 1...Rh6
- 2.Sa3#
- 2.Sc3#
- 2.Sd4#
- 2.Sd6#
- 2.Sc7#
- 2.Bc5#
- 2.Qc7#
- 2.Qd8#
- 1...Sd4
- 2.Sxd4#
- 2.Qc7#
- 1...a3
- 2.Sxa3#
- 2.Sc3#
- 2.Sd4#
- 2.Sxd6#
- 2.Sc7#
- 2.Qc7#
- 1...Bb8!
- threat
- 1.Qe5?
- threat
- 2.Qc5#
- 1...Rc6+
- 2.Sc3#
- 1...Rd5
- 2.Qc7#
- 1...exd3!
- threat
- 1.Se5?
- Keys
- 1.Sb2!
- threat
- 2.Sxa4#
- 1...Rc6+
- 2.Sc4#
- 1...Kxb5
- 2.Sd3#
- 1...Kc5
- 2.Sxa4#
- 1...a3
- 2.Sa4#
- threat
- 1.Sb2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- R(f);CHECK,OGATE::B(H)
- R(f);N_SPINR(f),OGATE,XQ(F)::B(H)
- Tries
- Try
- S(C);
- Threat
- S(C),XP(h)
- Vars
- R(f);CHECK::S(C)
- K(e);S_FLIGHT::S(C),XP(h)
- Refutation
- P(h);N_SPINR(f),XQ(F)
- Try
- Q(F);N_PINR(f)
- Threat
- DUALS(7)
- Vars
- R(f);::QAB1(F)
- B(g);::QAB1(F)
- Refutation
- R(f);P_PINQ(F)
- Try
- Q(F);N_PINR(f),XP(h)
- Threat
- DUALS(6)
- Vars
- R(f);OGATE,XQ(F)::B(H)
- P(b);XS(C)::QAB1(F)
- Refutation
- B(g);
- Try
- Q(F);N_PINR(f)
- Threat
- QAB1(F)
- Vars
- R(f);CHECK::R(A)+S(D)
- R(f);OGATE::QAB1(F)
- Refutation
- P(b);XS(C)
- Try
- Actual
- S(C);
- Threat
- S(C),XP(a)
- Vars
- R(f);CHECK::S(C)
- K(e);N_SPINR(f),P-FLIGHT,XS(D)::R(A)+S(C)
- K(e);S_FLIGHT::S(C),XP(a)
- P(a);::S(C)
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