MESON Chess Problem Database
Problem Display
PID: 17359 (8/BBp3K1/1r3R1N/p2pp3/Rn2kPN1/2Q3p1/6P1/2br4 w - - 0 1)
Gonzales, Manuel
Comm., Enroque!!, 1946
#2
10 + 10
| 14773 | The Best American Chess Problems of 1946 | 1948 |
SOLUTION
- SOUND
- Sets
- 1...Re1
- 2.Qc4#
- 1...Rf1
- 2.Qc4#
- 1...Rg1
- 2.Qc4#
- 1...Rh1
- 2.Qc4#
- 1...Rd2
- 2.Qe3#
- 1...Rd3
- 2.Qxe5#
- 1...Rd4
- 2.Qf3#
- 1...Rb5
- 2.Qf3#
- 1...Ra6
- 2.Qf3#
- 1...Rc6
- 2.Qf3#
- 1...Rd6
- 2.Qf3#
- 1...Re6
- 2.Qf3#
- 1...Rxf6
- 2.Qf3#
- 1...Rxb7
- 2.Qf3#
- 1...Bb2
- 2.Qe3#
- 1...Bd2
- 2.Qc4#
- 1...Ba3
- 2.Qe3#
- 1...Be3
- 2.Qxe3#
- 1...Re1
- Tries
- 1.Ba6?
- threat
- 2.Qxe5#
- 1...Rxa6
- 2.Qf3#
- 1...exf4
- 2.Qe5#
- 1...d4
- 2.Qf3#
- 1...Rd4
- 2.Qf3#
- 1...Rb5
- 2.Qf3#
- 1...Re6
- 2.Qf3#
- 1...Bb2
- 2.Qe3#
- 1...Bxf4!
- threat
- 1.Bc6?
- 1...Rxc6
- 2.Qf3#
- 1...exf4
- 2.Re6#
- 1...Re1
- 2.Qc4#
- 1...Rf1
- 2.Qc4#
- 1...Rg1
- 2.Qc4#
- 1...Rh1
- 2.Qc4#
- 1...Rd2
- 2.Qe3#
- 1...Rd3
- 2.Qxe5#
- 1...Rd4
- 2.Qf3#
- 1...Rb5
- 2.Qf3#
- 1...Ra6
- 2.Qf3#
- 1...Rb7
- 2.Qf3#
- 1...Rb8
- 2.Qf3#
- 1...Bb2
- 2.Qe3#
- 1...Bd2
- 2.Qc4#
- 1...Ba3
- 2.Qe3#
- 1...Be3
- 2.Qxe3#
- 1...Bxf4!
- 1...Rxc6
- 1.Rxb4+?
- 1...Rd4
- 2.Qc2#
- 2.Qf3#
- 1...Rxb4
- 2.Qf3#
- 1...axb4!
- 1...Rd4
- 1.Qc2+?
- 1...Kd4
- 2.Sf5#
- 1...Rd3!
- 1...Kd4
- 1.Ba6?
- Keys
- 1.Rc6!
- 1...Kxf4
- 2.Qxe5#
- 1...Rxc6
- 2.Qf3#
- 1...Rxb7
- 2.Qf3#
- 1...Bxf4
- 2.Sf6#
- 1...exf4
- 2.Sf6#
- 1...d4
- 2.Qf3#
- 1...Re1
- 2.Rc4#
- 1...Rf1
- 2.Rc4#
- 1...Rg1
- 2.Rc4#
- 1...Rh1
- 2.Rc4#
- 1...Rd2
- 2.Qe3#
- 1...Rd3
- 2.Qxe5#
- 1...Rd4
- 2.Qf3#
- 1...Rb5
- 2.Qf3#
- 1...Ra6
- 2.Qf3#
- 1...Bb2
- 2.Qe3#
- 1...Bd2
- 2.Rc4#
- 1...Ba3
- 2.Qe3#
- 1...Be3
- 2.Qxe3#
- 1...Kxf4
- 1.Rc6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 5
- ADDED MATES = 4
- REMOVED MATES = 3
- Sets
- R(b);N_GUARD::QAR2(B)
- R(b);S_CUTB(a)::QAR1(B)
- R(b);SBLOCK::QAR1(B),XP(h)
- R(b);N_SPINS(d),SBLOCK::QAB1(B)
- R(i);::QAB1(B)
- R(i);N_SPINP(g)::QAB1(B)
- R(i);XR(F)::QAB1(B)
- R(i);N_SPINP(g),XB(I)::QAB1(B)
- B(a);N_GUARD::QAR1(B)
- B(a);S_CUTR(b)::QAR2(B)
- B(a);N_GUARD::QAR1(B),XB(a)
- Tries
- Try
- B(I);N_PINP(g)
- Threat
- QAR1(B),XP(h)
- Vars
- R(i);XB(I)::QAB1(B)
- P(h);XP(D)::QAR1(B)
- P(g);N_SPINS(d),SBLOCK::QAB1(B)
- R(b);N_SPINS(d),SBLOCK::QAB1(B)
- R(i);::QAB1(B)
- B(a);N_GUARD::QAR1(B)
- Refutation
- B(a);XP(D)
- Try
- B(I);
- Vars
- R(i);N_SPINP(g),XB(I)::QAB1(B)
- P(h);OGATEB,SBLOCK,XP(D)::R(F)
- R(b);N_GUARD::QAR2(B)
- R(b);S_CUTB(a)::QAR1(B)
- R(b);SBLOCK::QAR1(B),XP(h)
- R(b);N_SPINS(d),SBLOCK::QAB1(B)
- R(i);::QAB1(B)
- B(a);N_GUARD::QAR1(B)
- B(a);S_CUTR(b)::QAR2(B)
- B(a);N_GUARD::QAR1(B),XB(a)
- Refutation
- B(a);XP(D)
- Try
- R(C);CHECK,XS(d)
- Vars
- R(i);XR(C)::QAB1(B)
- Refutation
- P(f);XR(C)
- Try
- Q(B);CHECK
- Vars
- K(e);N_SPINP(g),P-FLIGHT,P_SPINR(i)::S(G)
- Refutation
- R(b);P_SPINR(b)
- Try
- Actual
- R(F);N_PINP(g)
- Vars
- K(e);P-FLIGHT,XP(D)::QAB1(B),XP(h)
- R(i);XR(F)::QAB1(B)
- R(i);XB(I)::QAB1(B)
- B(a);SBLOCK,XP(D)::S(E)
- P(h);SBLOCK,XP(D)::S(E)
- P(g);N_SPINS(d),SBLOCK::QAB1(B)
- R(b);N_GUARD::R(F)
- R(b);S_CUTB(a)::QAR1(B)
- R(b);SBLOCK::QAR1(B),XP(h)
- R(b);N_SPINS(d),SBLOCK::QAB1(B)
- R(i);::QAB1(B)
- B(a);N_GUARD::QAR1(B)
- B(a);S_CUTR(b)::R(F)
- B(a);N_GUARD::QAR1(B),XB(a)
Developed and maintained by Brian Stephenson.
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