MESON Chess Problem Database
Problem Display
PID: 246487 (8/8/4Q1p1/3p2Np/1p1P3r/1K4kr/4PpNp/5B1n w - - 0 1)
Zilahi, Zoltan
Sjakk-Nytt, 1946
#2
7 + 10
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rxd4
- 2.Qxh3#
- 1...Re4
- 2.Qxh3#
- 1...Rf4
- 2.Qxh3#
- 1...Rg4
- 2.Qe3#
- 1...Rxd4
- Tries
- 1.Ka2?
- 1...Rxd4
- 2.Qxh3#
- 1...Re4
- 2.Qxh3#
- 1...Rf4
- 2.Qxh3#
- 1...Rg4
- 2.Qe3#
- 1...b3+!
- 1...Rxd4
- 1.Kb2?
- 1...Rxd4
- 2.Qxh3#
- 1...Re4
- 2.Qxh3#
- 1...Rf4
- 2.Qxh3#
- 1...Rg4
- 2.Qe3#
- 1...b3!
- 1...Rxd4
- 1.Kc2?
- 1...Rxd4
- 2.Qxh3#
- 1...Re4
- 2.Qxh3#
- 1...Rf4
- 2.Qxh3#
- 1...Rg4
- 2.Qe3#
- 1...b3+!
- 1...Rxd4
- 1.Ka4?
- 1...Rxd4
- 2.Qxh3#
- 1...Re4
- 2.Qxh3#
- 1...Rf4
- 2.Qxh3#
- 1...Rg4
- 2.Qe3#
- 1...b3!
- 1...Rxd4
- 1.Kxb4?
- 1...Re4
- 2.Qxh3#
- 1...Rf4
- 2.Qxh3#
- 1...Rg4
- 2.Qe3#
- 1...Rxd4+!
- 1...Re4
- 1.Qf5?
- threat
- 2.Qf3#
- 1...Rf4
- 2.Qxh3#
- 2.Qxf4#
- 1...gxf5!
- threat
- 1.Qd7?
- 1...Rxd4
- 2.Qxh3#
- 1...Re4
- 2.Qxh3#
- 1...Rf4
- 2.Qxh3#
- 1...Rg4!
- 1...Rxd4
- 1.Qf7?
- threat
- 2.Qf3#
- 1...Rf4
- 2.Qxf4#
- 1...Kg4+!
- threat
- 1.Qc8?
- 1...Rxd4
- 2.Qxh3#
- 1...Re4
- 2.Qxh3#
- 1...Rf4
- 2.Qxh3#
- 1...Rg4!
- 1...Rxd4
- 1.Qe5+?
- 1...Rf4
- 2.Qxf4#
- 1...Kg4+!
- 1...Rf4
- 1.Qd6+?
- 1...Rf4
- 2.Qxf4#
- 1...Kg4+!
- 1...Rf4
- 1.Qf6?
- threat
- 2.Qf3#
- 1...Rf4
- 2.Qxf4#
- 1...Kg4+!
- threat
- 1.e3?
- 1...Rxd4
- 2.Qxh3#
- 1...Re4
- 2.Qxh3#
- 1...Rf4
- 2.Qxh3#
- 1...Rg4!
- 1...Rxd4
- 1.Ka2?
- Keys
- 1.Qxg6!
- threat
- 2.Se4#
- 1...Kg4+
- 2.Sf3#
- 1...Re4
- 2.Sxe4#
- 1...Rg4
- 2.Qd3#
- threat
- 1.Qxg6!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 2
- Sets
- R(g);N_GUARD,XP(E)::QAR1(G),XR(e)
- R(g);N_GUARD::QAR1(G),XR(e)
- R(g);SBLOCK::QAR2(G)
- Tries
- Try
- K(D);S_FLIGHT
- Vars
- R(g);N_GUARD,XP(E)::QAR1(G),XR(e)
- R(g);N_GUARD::QAR1(G),XR(e)
- R(g);SBLOCK::QAR2(G)
- Refutation
- P(f);CHECK
- Try
- K(D);P-FLIGHT
- Vars
- R(g);N_GUARD,XP(E)::QAR1(G),XR(e)
- R(g);N_GUARD::QAR1(G),XR(e)
- R(g);SBLOCK::QAR2(G)
- Refutation
- P(f);
- Try
- K(D);S_FLIGHT
- Vars
- R(g);N_GUARD,XP(E)::QAR1(G),XR(e)
- R(g);N_GUARD::QAR1(G),XR(e)
- R(g);SBLOCK::QAR2(G)
- Refutation
- P(f);CHECK
- Try
- K(D);S_FLIGHT
- Vars
- R(g);N_GUARD,XP(E)::QAR1(G),XR(e)
- R(g);N_GUARD::QAR1(G),XR(e)
- R(g);SBLOCK::QAR2(G)
- Refutation
- P(f);P_PINP(E)
- Try
- K(D);P-FLIGHT,P_SPINP(E),XP(f)
- Vars
- R(g);N_GUARD::QAR1(G),XR(e)
- R(g);SBLOCK::QAR2(G)
- Refutation
- R(g);CHECK,XP(E)
- Try
- Q(G);
- Threat
- QAR1(G)
- Refutation
- P(j);XQ(G)
- Try
- Q(G);
- Vars
- R(g);N_GUARD,XP(E)::QAR1(G),XR(e)
- R(g);N_GUARD::QAR1(G),XR(e)
- Refutation
- R(g);
- Try
- Q(G);
- Threat
- QAR1(G)
- Vars
- R(g);N_GUARD::QAB1(G),XR(g)
- Refutation
- K(d);CHECK,P-FLIGHT
- Try
- Q(G);
- Vars
- R(g);N_GUARD,XP(E)::QAR1(G),XR(e)
- R(g);N_GUARD::QAR1(G),XR(e)
- Refutation
- R(g);
- Try
- Q(G);CHECK
- Vars
- R(g);N_GUARD,P_SPINR(g)::QAB1(G),XR(g)
- Refutation
- K(d);CHECK,P-FLIGHT
- Try
- Q(G);CHECK
- Vars
- R(g);N_GUARD,P_SPINR(g)::QAB1(G),XR(g)
- Refutation
- K(d);CHECK,P-FLIGHT
- Try
- Q(G);
- Threat
- QAR1(G)
- Vars
- R(g);N_GUARD::QAB1(G),XR(g)
- Refutation
- K(d);CHECK,P-FLIGHT
- Try
- P(B);
- Vars
- R(g);N_GUARD,XP(E)::QAR1(G),XR(e)
- R(g);N_GUARD::QAR1(G),XR(e)
- Refutation
- R(g);
- Try
- Actual
- Q(G);XP(j)
- Threat
- QAR(G)+S(F),DCHECK
- Vars
- K(d);CHECK,P-FLIGHT::QAR(G)+S(F)
- R(g);::QAR(G)+S(F),DCHECK,XR(g)
- R(g);SBLOCK::QAR(G)
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