MESON Chess Problem Database
Problem Display
PID: 94566 (4NR2/B7/5R2/4p3/1n2k1P1/r1Q4K/1nP1N2b/8 w - - 0 1)
Czarnecki, Tadeusz
British Chess Magazine, 1934
#2
9 + 6
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Qf3#
- 1...Ra2
- 2.Qf3#
- 1...Rxc3+
- 2.Sxc3#
- 1...Ra4
- 2.Qf3#
- 1...Ra5
- 2.Qf3#
- 1...Ra6
- 2.Qf3#
- 1...Rxa7
- 2.Qf3#
- 1...S2d3
- 2.Qc4#
- 1...S4d3
- 2.Qc6#
- 1...Sd5
- 2.Sd6#
- 1...Ra1
- Tries
- 1.Sg3+?
- 1...Kd5
- 2.Sc7#
- 2.Rd6#
- 2.Qc5#
- 1...Bxg3!
- 1...Kd5
- 1.Rf1?
- threat
- 2.Sf6#
- 1...Rxc3+
- 2.Sxc3#
- 1...Ra6
- 2.Qf3#
- 1...Sd5
- 2.Sd6#
- 1...Kd5!
- threat
- 1.Rf2?
- threat
- 2.Sf6#
- 1...Rxc3+
- 2.Sxc3#
- 1...Ra6
- 2.Qf3#
- 1...Sd5
- 2.Sd6#
- 1...Kd5!
- threat
- 1.Rf4+?
- 1...Bxf4
- 2.Sf6#
- 1...exf4
- 2.Sf6#
- 1...Kd5!
- 1...Bxf4
- 1.Rf5?
- threat
- 2.Sf6#
- 1...Rxc3+
- 2.Sxc3#
- 1...Ra6
- 2.Qf3#
- 1...Sd5
- 2.Sd6#
- 1...Kd5!
- threat
- 1.Rc6?
- threat
- 2.Sf6#
- 1...Rxc3+
- 2.Sxc3#
- 1...Kd5
- 2.Sf6#
- 1...S2d3
- 2.Qc4#
- 1...Sd5
- 2.Sd6#
- 1...S4d3!
- threat
- 1.Rd6?
- threat
- 2.Sf6#
- 1...Rxc3+
- 2.Sxc3#
- 1...S2d3
- 2.Qc4#
- 1...S4d3
- 2.Qc6#
- 1...Sd5!
- threat
- 1.Re6?
- threat
- 2.Sf6#
- 1...Rxc3+
- 2.Sxc3#
- 1...S2d3
- 2.Qd4#
- 2.Qc4#
- 1...S4d3
- 2.Qd4#
- 2.Qc6#
- 1...Sd5
- 2.Sd6#
- 1...Kd5!
- threat
- 1.Rg6?
- threat
- 2.Sf6#
- 1...Rxc3+
- 2.Sxc3#
- 1...Ra6
- 2.Qf3#
- 1...S2d3
- 2.Qc4#
- 1...S4d3
- 2.Qc6#
- 1...Sd5
- 2.Sd6#
- 1...Kd5!
- threat
- 1.Rh6?
- threat
- 2.Sf6#
- 1...Rxc3+
- 2.Sxc3#
- 1...Ra6
- 2.Qf3#
- 1...S2d3
- 2.Qc4#
- 1...S4d3
- 2.Qc6#
- 1...Sd5
- 2.Sd6#
- 1...Kd5!
- threat
- 1.R6f7?
- threat
- 2.Sf6#
- 1...Rxc3+
- 2.Sxc3#
- 1...Ra6
- 2.Qf3#
- 1...S2d3
- 2.Qc4#
- 1...S4d3
- 2.Qc6#
- 1...Sd5
- 2.Sd6#
- 1...Kd5!
- threat
- 1.Qb3?
- threat
- 2.Sc3#
- 2.Sd6#
- 1...Rxa7
- 2.Sd6#
- 2.Qf3#
- 1...Sxc2
- 2.Sd6#
- 1...Sc4
- 2.Sc3#
- 1...Ra6
- 2.Sc3#
- 2.Qf3#
- 1...Bf4
- 2.Sd6#
- 1...Sd1
- 2.Sd6#
- 1...Sa4
- 2.Sd6#
- 1...Sa2
- 2.Sd6#
- 1...Sd5
- 2.Sd6#
- 1...Rxb3+!
- threat
- 1.Sg3+?
- Keys
- 1.Ra6!
- threat
- 2.Sf6#
- 1...Rxc3+
- 2.Sxc3#
- 1...Kd5
- 2.Sf6#
- 1...Rxa6
- 2.Qf3#
- 1...S2d3
- 2.Qc4#
- 1...S4d3
- 2.Qc6#
- 1...Sd5
- 2.Sd6#
- threat
- 1.Ra6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 5
- Sets
- R(c);N_GUARD,N_PINQ(C)::QAB1(C)
- R(c);CHECK,XQ(C)::S(B),XR(c)
- R(c);N_GUARD,N_PINQ(C),XB(G)::QAB1(C)
- S(a);N_PINQ(C)::QAR2(C)
- S(d);N_PINQ(C)::QAB(C)
- S(d);SBLOCK::S(H)
- Tries
- Try
- S(B);CHECK,N_SPINQ(C)
- Refutation
- B(b);XS(B)
- Try
- R(F);
- Threat
- S(H)
- Vars
- R(c);CHECK,XQ(C)::S(B),XR(c)
- R(c);N_GUARD,N_PINQ(C)::QAB1(C)
- S(d);SBLOCK::S(H)
- Refutation
- K(e);S_FLIGHT
- Try
- R(F);
- Threat
- S(H)
- Vars
- R(c);CHECK,XQ(C)::S(B),XR(c)
- R(c);N_GUARD,N_PINQ(C)::QAB1(C)
- S(d);SBLOCK::S(H)
- Refutation
- K(e);S_FLIGHT
- Try
- R(F);CHECK
- Vars
- B(b);XR(F)::S(H)
- P(f);XR(F)::S(H)
- Refutation
- K(e);S_FLIGHT
- Try
- R(F);
- Threat
- S(H)
- Vars
- R(c);CHECK,XQ(C)::S(B),XR(c)
- R(c);N_GUARD,N_PINQ(C)::QAB1(C)
- S(d);SBLOCK::S(H)
- Refutation
- K(e);P_SPINP(f),S_FLIGHT
- Try
- R(F);
- Threat
- S(H)
- Vars
- R(c);CHECK,XQ(C)::S(B),XR(c)
- K(e);S_FLIGHT::S(H)
- S(a);N_PINQ(C)::QAR2(C)
- S(d);SBLOCK::S(H)
- Refutation
- S(d);N_PINQ(C)
- Try
- R(F);
- Threat
- S(H)
- Vars
- R(c);CHECK,XQ(C)::S(B),XR(c)
- S(a);N_PINQ(C)::QAR2(C)
- S(d);N_PINQ(C)::QAB(C)
- Refutation
- S(d);
- Try
- R(F);P_PINP(f)
- Threat
- S(H)
- Vars
- R(c);CHECK,XQ(C)::S(B),XR(c)
- S(d);SBLOCK::S(H)
- Refutation
- K(e);N_SPINP(f),S_FLIGHT
- Try
- R(F);
- Threat
- S(H)
- Vars
- R(c);CHECK,XQ(C)::S(B),XR(c)
- R(c);N_GUARD,N_PINQ(C)::QAB1(C)
- S(a);N_PINQ(C)::QAR2(C)
- S(d);N_PINQ(C)::QAB(C)
- S(d);SBLOCK::S(H)
- Refutation
- K(e);S_FLIGHT
- Try
- R(F);
- Threat
- S(H)
- Vars
- R(c);CHECK,XQ(C)::S(B),XR(c)
- R(c);N_GUARD,N_PINQ(C)::QAB1(C)
- S(a);N_PINQ(C)::QAR2(C)
- S(d);N_PINQ(C)::QAB(C)
- S(d);SBLOCK::S(H)
- Refutation
- K(e);S_FLIGHT
- Try
- R(F);
- Threat
- S(H)
- Vars
- R(c);CHECK,XQ(C)::S(B),XR(c)
- R(c);N_GUARD,N_PINQ(C)::QAB1(C)
- S(a);N_PINQ(C)::QAR2(C)
- S(d);N_PINQ(C)::QAB(C)
- S(d);SBLOCK::S(H)
- Refutation
- K(e);S_FLIGHT
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- S(d);XP(A)::S(H)
- S(a);::S(B)
- B(b);::S(H)
- S(a);::S(H)
- S(d);::S(H)
- Refutation
- R(c);CHECK,XQ(C)
- Try
- Actual
- R(F);
- Threat
- S(H)
- Vars
- R(c);CHECK,XQ(C)::S(B),XR(c)
- K(e);S_FLIGHT::S(H)
- R(c);N_GUARD,N_PINQ(C),XR(F)::QAB1(C)
- S(a);N_PINQ(C)::QAR2(C)
- S(d);N_PINQ(C)::QAB(C)
- S(d);SBLOCK::S(H)
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