MESON Chess Problem Database
Problem Display
PID: 104429 (2Qb1R1N/1n2P1k1/3pR1p1/2p3K1/8/8/8/1b6 w - - 0 1)
Mladenovic, Slobodan
Vecherni Novosti, 1972
#2
6 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Ba5
- 2.Rf7#
- 1...Bb6
- 2.Rf7#
- 1...Bc7
- 2.Rf7#
- 1...Bxe7+
- 2.Rxe7#
- 1...Ba5
- Tries
- 1.Ref6?
- threat
- 2.R6f7#
- 1...Kh7
- 2.R6f7#
- 1...Bxe7
- 2.Rf7#
- 1...Ba2!
- threat
- 1.Rxg6+?
- 1...Kh7
- 2.Qh3#
- 1...Bxg6!
- 1...Kh7
- 1.Qc7?
- threat
- 2.exd8Q#
- 2.exd8R#
- 1...Bxe7+
- 2.Qxe7#
- 1...Kh7
- 2.exd8Q#
- 2.exd8S#
- 2.exd8B#
- 2.exd8R#
- 1...Ba2
- 2.exd8Q#
- 2.exd8R#
- 1...Bc2
- 2.exd8Q#
- 2.exd8R#
- 1...Bd3
- 2.exd8Q#
- 2.exd8R#
- 1...Be4
- 2.exd8Q#
- 2.exd8R#
- 1...Bf5
- 2.exd8Q#
- 2.exd8R#
- 1...Sa5
- 2.exd8Q#
- 2.exd8R#
- 1...c4
- 2.exd8Q#
- 2.exd8R#
- 1...d5
- 2.exd8Q#
- 2.exd8R#
- 1...Bxc7!
- threat
- 1.Qxd8?
- threat
- 2.Rf7#
- 1...Kh7
- 2.Rf7#
- 1...Sxd8!
- threat
- 1.exd8Q?
- threat
- 2.Re7#
- 2.Rf7#
- 2.Qxb7#
- 2.Qcd7#
- 2.Qdc7#
- 2.Qe7#
- 2.Qcc7#
- 2.Qdd7#
- 1...Kh7
- 2.Re7#
- 2.Rf7#
- 2.Qxb7#
- 2.Qcd7#
- 2.Qdc7#
- 2.Qe7#
- 2.Qcc7#
- 2.Qdd7#
- 1...Ba2
- 2.Rf7#
- 2.Qxb7#
- 2.Qcd7#
- 2.Qdc7#
- 2.Qe7#
- 2.Qcc7#
- 2.Qdd7#
- 1...Be4
- 2.Re7#
- 2.Rf7#
- 2.Qcd7#
- 2.Qdc7#
- 2.Qe7#
- 2.Qcc7#
- 2.Qdd7#
- 1...Sa5
- 2.Re7#
- 2.Rf7#
- 2.Qcd7#
- 2.Qdc7#
- 2.Qe7#
- 2.Qcc7#
- 2.Qdd7#
- 1...Sxd8!
- threat
- 1.exd8R?
- threat
- 2.Re7#
- 2.Rd7#
- 2.Rf7#
- 2.Qxb7#
- 2.Qd7#
- 2.Qc7#
- 1...Kh7
- 2.Re7#
- 2.Rd7#
- 2.Rf7#
- 2.Qxb7#
- 2.Qd7#
- 2.Qc7#
- 1...Ba2
- 2.Rd7#
- 2.Rf7#
- 2.Qxb7#
- 2.Qd7#
- 2.Qc7#
- 1...Be4
- 2.Re7#
- 2.Rd7#
- 2.Rf7#
- 2.Qd7#
- 2.Qc7#
- 1...Sa5
- 2.Re7#
- 2.Rd7#
- 2.Rf7#
- 2.Qd7#
- 2.Qc7#
- 1...Sxd8!
- threat
- 1.Ref6?
- Keys
- 1.Qd7!
- threat
- 2.exd8Q#
- 2.exd8R#
- 1...Bxe7+
- 2.Qxe7#
- 1...Kh7
- 2.exd8Q#
- 2.exd8S#
- 2.exd8B#
- 2.exd8R#
- 1...Ba2
- 2.exd8Q#
- 2.exd8R#
- 1...Bc2
- 2.exd8Q#
- 2.exd8R#
- 1...Bd3
- 2.exd8Q#
- 2.exd8R#
- 1...Be4
- 2.exd8Q#
- 2.exd8R#
- 1...Bf5
- 2.exd8Q#
- 2.exd8R#
- 1...Ba5
- 2.e8Q#
- 2.e8R#
- 1...Bb6
- 2.e8Q#
- 2.e8R#
- 1...Bc7
- 2.e8Q#
- 2.e8R#
- 1...Sa5
- 2.exd8Q#
- 2.exd8R#
- 1...c4
- 2.exd8Q#
- 2.exd8R#
- 1...d5
- 2.exd8Q#
- 2.exd8R#
- threat
- 1.Qd7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 3
- Sets
- B(g);N_PINP(C)::R1(E)
- B(g);CHECK,OGATE,XP(C)::R(B),XB(g)
- Tries
- Try
- R(B);N_SPINP(C)
- Threat
- R1(B)
- Vars
- K(f);P-FLIGHT::R(B)
- B(g);P_PINR(B),XP(C)::R1(E)
- Refutation
- B(a);
- Try
- R(B);CHECK,XP(d)
- Vars
- K(f);P-FLIGHT::QAR(D)
- Refutation
- B(a);XR(B)
- Try
- Q(D);
- Threat
- PXB(g)=Q
- Vars
- B(g);CHECK,OGATE,P_SPINB(g),XP(C)::QAR2(D),XB(g)
- B(a);::PXB(g)=Q
- S(e);::PXB(g)=Q
- P(b);::PXB(g)=Q
- P(c);::PXB(g)=Q
- Refutation
- B(g);N_PINP(C),XQ(D)
- Try
- Q(D);N_SPINP(C),XB(g)
- Threat
- R1(E)
- Vars
- K(f);P-FLIGHT::R(E)
- Refutation
- S(e);XQ(D)
- Try
- P(C);N_SPINP(C),XB(g)
- Threat
- DUALS(8)
- Refutation
- S(e);XQ(C)
- Try
- P(C);N_SPINP(C),XB(g)
- Threat
- DUALS(6)
- Refutation
- S(e);XR(C)
- Try
- Actual
- Q(D);
- Threat
- PXB(g)=Q
- Vars
- B(g);CHECK,OGATE,P_SPINB(g),XP(C)::QAR2(D),XB(g)
- B(a);::PXB(g)=Q
- B(g);N_PINP(C)::P=Q
- S(e);::PXB(g)=Q
- P(b);::PXB(g)=Q
- P(c);::PXB(g)=Q
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