MESON Chess Problem Database
Problem Display
PID: 237487 (4Q3/6n1/2p1r3/1p2p2p/2p1k3/2PR1RP1/B3P3/7K w - - 0 1)
Labai, Zoltan
Coello-75 JT (Problemas), 2017
#2
8 + 8
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rd6
- 2.Rf4#
- 1...Rf6
- 2.Rd4#
- 1...Rg6
- 2.Rd4#
- 2.Rf4#
- 1...Rh6
- 2.Rd4#
- 2.Rf4#
- 1...Re7
- 2.Qxc6#
- 1...Rd6
- Tries
- 1.Bb1?
- threat
- 2.Rd1#
- 2.Rd2#
- 2.Rd4#
- 2.Rd6#
- 2.Rd7#
- 2.Rd8#
- 1...Rd6
- 2.Rd4#
- 2.Rxd6#
- 2.Rf4#
- 1...cxd3!
- threat
- 1.Rd6?
- threat
- 2.Bb1#
- 2.Qxc6#
- 1...Rxe8
- 2.Bb1#
- 1...Sxe8
- 2.Bb1#
- 1...c5
- 2.Bb1#
- 2.Qc6#
- 2.Qa8#
- 1...Rxd6!
- threat
- 1.Qxh5?
- threat
- 2.Rfe3#
- 2.Qg4#
- 2.Qh4#
- 1...cxd3
- 2.Qg4#
- 2.Qh4#
- 2.exd3#
- 1...Rf6
- 2.Rfe3#
- 1...Rg6
- 2.Rfe3#
- 1...Rh6
- 2.Rfe3#
- 1...Sf5
- 2.Qg4#
- 2.Qxf5#
- 1...Sxh5!
- threat
- 1.Qg6+?
- 1...Sf5
- 2.Rfe3#
- 2.Qxf5#
- 1...Rxg6!
- 1...Sf5
- 1.Qd7?
- threat
- 2.Rde3#
- 1...cxd3
- 2.Qxd3#
- 1...Rd6
- 2.Rfe3#
- 1...Sf5!
- threat
- 1.Qxe6?
- threat
- 2.Rde3#
- 2.Rd4#
- 2.Rfe3#
- 2.Rf4#
- 2.Qxc6#
- 1...cxd3
- 2.Qxc6#
- 1...Sf5
- 2.Rf4#
- 2.Qxf5#
- 2.Qxc6#
- 1...c5
- 2.Rde3#
- 2.Rfe3#
- 2.Rf4#
- 2.Qd5#
- 2.Qc6#
- 1...Sxe6!
- threat
- 1.Qd8?
- threat
- 2.Rde3#
- 2.Qh4#
- 1...cxd3
- 2.Qh4#
- 2.Qxd3#
- 1...Rd6
- 2.Qh4#
- 1...Rf6
- 2.Rde3#
- 1...Rg6
- 2.Rde3#
- 1...Re7
- 2.Rde3#
- 1...h4
- 2.Rde3#
- 2.Qxh4#
- 1...Sf5!
- threat
- 1.Qf8?
- threat
- 2.Rfe3#
- 1...cxd3
- 2.Qb4#
- 2.exd3#
- 1...Sf5
- 2.Qxf5#
- 1...Rf6!
- threat
- 1.Bb1?
- Keys
- 1.Qf7!
- threat
- 2.Rfe3#
- 1...cxd3
- 2.exd3#
- 1...Sf5
- 2.Qxf5#
- 1...Rf6
- 2.Rde3#
- threat
- 1.Qf7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 2
- Sets
- R(g);P_SPINP(d)::R1(F)
- R(g);P_SPINP(d)::R1(E)
- R(g);N_GUARD::QAB(H),XP(f)
- Tries
- Try
- B(B);
- Threat
- DUALS(6)
- Refutation
- P(a);P_SPINP(a),XR(E)
- Try
- R(E);
- Threat
- DUALS(2)
- Vars
- R(g);XQ(H)::B(B)
- S(h);XQ(H)::B(B)
- Refutation
- R(g);P_SPINP(d),XR(E)
- Try
- Q(H);XP(e)
- Threat
- DUALS(3)
- Vars
- R(g);::R1(F)
- R(g);P_PINQ(H)::R1(F)
- Refutation
- S(h);XQ(H)
- Try
- Q(H);CHECK
- Refutation
- R(g);XQ(H)
- Try
- Q(H);
- Threat
- R1(E)
- Vars
- P(a);OGATE,XR(E)::QAB1(H),XP(a)
- R(g);::R1(F)
- Refutation
- S(h);
- Try
- Q(H);P_PINP(d),XR(g)
- Threat
- DUALS(5)
- Vars
- P(a);XR(E)::QAB(H),XP(f)
- Refutation
- S(h);N_SPINP(d),XQ(H)
- Try
- Q(H);
- Threat
- DUALS(2)
- Vars
- R(g);::QAR(H)
- R(g);::R1(E)
- Refutation
- S(h);
- Try
- Q(H);
- Threat
- R1(F)
- Vars
- S(h);N_GUARD::QAB1(H),XS(h)
- Refutation
- R(g);
- Try
- Actual
- Q(H);
- Threat
- R1(F)
- Vars
- P(a);OGATE,XR(E)::P(C),XP(a)
- S(h);N_GUARD::QAB1(H),XS(h)
- R(g);::R1(E)
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