MESON Chess Problem Database
Problem Display
PID: 6987 (4b1BB/3p1r2/2PN4/1R6/3nP3/P1kn3R/5r1Q/1K2bN2 w - - 0 1)
Bottacchi, Antonio
1st Prize, La Settimana Enigmistica, 1935
#2
11 + 8
| 3098 | FIDE Album (1914-1944) (I) | 1971 |
SOLUTION
- SOUND
- Sets
- 1...Rxf1
- 2.Qb2#
- 2.Qc2#
- 1...Rb2+
- 2.Qxb2#
- 1...Rc2
- 2.Qxc2#
- 1...R2f3
- 2.Qc2#
- 1...R2f4
- 2.Qb2#
- 2.Qc2#
- 1...R2f5
- 2.Qb2#
- 2.Qc2#
- 1...R2f6
- 2.Qb2#
- 1...R7f3
- 2.Rb3#
- 1...R7f4
- 2.Rb3#
- 2.Rc5#
- 1...R7f5
- 2.Rb3#
- 1...R7f6
- 2.Rc5#
- 1...Re7
- 2.Rb3#
- 2.Rc5#
- 1...Rg7
- 2.Rc5#
- 1...Rh7
- 2.Rb3#
- 2.Rc5#
- 1...Rf8
- 2.Rb3#
- 2.Rc5#
- 1...Rxf1
- Tries
- 1.Bxf7?
- threat
- 2.Rb3#
- 2.Rc5#
- 1...Rb2+
- 2.Qxb2#
- 1...Rxf7
- 2.Qb2#
- 2.Qc2#
- 1...Rf3
- 2.Rb3#
- 2.Qc2#
- 1...Rf5
- 2.Rb3#
- 2.Qb2#
- 2.Qc2#
- 1...Rf6
- 2.Rc5#
- 2.Qb2#
- 1...Bxf7!
- threat
- 1.Qxf2?
- threat
- 2.Bxd4#
- 2.Qxe1#
- 2.Qxd4#
- 2.Qb2#
- 2.Qc2#
- 1...Rxf2
- 2.Rb3#
- 2.Rc5#
- 1...Rf3
- 2.Bxd4#
- 2.Rb3#
- 2.Qxd4#
- 2.Qc2#
- 1...Rf6
- 2.Rc5#
- 2.Qxe1#
- 2.Qb2#
- 1...Rg7
- 2.Rc5#
- 2.Qxe1#
- 2.Qb2#
- 1...Bd2
- 2.Bxd4#
- 2.Qxd4#
- 2.Qxd2#
- 1...Bxf2!
- threat
- 1.Bxf7?
- Keys
- 1.c7!
- threat
- 2.c8Q#
- 2.c8R#
- 1...Rb2+
- 2.Qxb2#
- 1...Rxf1
- 2.Qb2#
- 2.Qc2#
- 2.c8Q#
- 2.c8R#
- 1...Rxh2
- 2.c8Q#
- 2.c8R#
- 1...Ra2
- 2.c8Q#
- 2.c8R#
- 1...Rc2
- 2.Qxc2#
- 2.c8Q#
- 2.c8R#
- 1...Rd2
- 2.c8Q#
- 2.c8R#
- 1...Re2
- 2.c8Q#
- 2.c8R#
- 1...Rg2
- 2.c8Q#
- 2.c8R#
- 1...R2f3
- 2.Qc2#
- 1...R2f4
- 2.Qb2#
- 2.Qc2#
- 2.c8Q#
- 2.c8R#
- 1...R2f5
- 2.Qb2#
- 2.Qc2#
- 1...R2f6
- 2.Qb2#
- 1...R7f3
- 2.Rb3#
- 1...R7f4
- 2.Rb3#
- 2.Rc5#
- 2.c8Q#
- 2.c8R#
- 1...R7f5
- 2.Rb3#
- 1...R7f6
- 2.Rc5#
- 1...Re7
- 2.Rb3#
- 2.Rc5#
- 2.c8Q#
- 2.c8R#
- 1...Rg7
- 2.Rc5#
- 1...Rh7
- 2.Rb3#
- 2.Rc5#
- 2.c8Q#
- 2.c8R#
- 1...Rf8
- 2.Rb3#
- 2.Rc5#
- 2.c8Q#
- 2.c8R#
- 1...Bd2
- 2.c8Q#
- 2.c8R#
- threat
- 1.c7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 1
- Sets
- R(b);CHECK,OGATE::QAB1(C),XR(b)
- R(b);OGATE::QAR1(C),XR(b)
- R(b);N_SPINS(d),OGATE,P_SPINS(e)::QAR1(C)
- R(b);OGATE::QAB1(C)
- R(g);N_SPINS(d),P_SPINS(e)::R1(G)
- R(g);::R1(G)
- R(g);::R(G)
- Tries
- Try
- B(J);XR(g)
- Threat
- DUALS(2)
- Vars
- R(b);CHECK,OGATE::QAB1(C),XR(b)
- Refutation
- B(h);XB(J)
- Try
- Q(C);XR(b)
- Threat
- DUALS(5)
- Refutation
- B(a);XQ(C)
- Try
- Actual
- P(H);
- Threat
- P=Q
- Vars
- R(b);CHECK,OGATE::QAB1(C),XR(b)
- R(b);XQ(C)::P=Q
- R(b);::P=Q
- R(b);N_SPINS(d),OGATE,P_SPINS(e)::QAR1(C)
- R(b);OGATE::QAB1(C)
- R(g);N_SPINS(d),P_SPINS(e)::R1(G)
- R(g);::R1(G)
- R(g);::R(G)
- B(a);::P=Q
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