MESON Chess Problem Database
Problem Display
PID: 56661 (2R5/Kp1n2Q1/1P1kp3/1P1p2N1/8/N1P5/6B1/8 w - - 0 1)
Dzektser, Abram L
Shakhmaty, 1967
#2
9 + 5
| 3772 | FIDE Album (1965-1967) | 1976 |
SOLUTION
- SOUND
- Sets
- 1...Sc5
- 2.Qc7#
- 1...Se5
- 2.Qc7#
- 1...Sxb6
- 2.Qc7#
- 1...Sf6
- 2.Qc7#
- 1...Sb8
- 2.Qc7#
- 1...Sf8
- 2.Qc7#
- 1...d4
- 2.Sc4#
- 1...Sc5
- Tries
- 1.Kxb7?
- threat
- 2.Rc6#
- 1...Sf6
- 2.Qc7#
- 1...Se5
- 2.Qc7#
- 1...Sb8
- 2.Qc7#
- 1...Sc5+!
- threat
- 1.Sh3?
- 1...Sxb6
- 2.Qc7#
- 1...Sf6
- 2.Qc7#
- 1...Sc5
- 2.Qc7#
- 1...Se5
- 2.Qc7#
- 1...Sb8
- 2.Qc7#
- 1...Sf8
- 2.Qc7#
- 1...d4
- 2.Sc4#
- 1...e5!
- 1...Sxb6
- 1.Sh7?
- 1...Sxb6
- 2.Qc7#
- 1...Sf6
- 2.Qc7#
- 1...Sc5
- 2.Qc7#
- 1...Se5
- 2.Qc7#
- 1...Sb8
- 2.Qc7#
- 1...Sf8
- 2.Qc7#
- 1...d4
- 2.Sc4#
- 1...e5!
- 1...Sxb6
- 1.Bh1?
- 1...Sxb6
- 2.Qc7#
- 1...Sf6
- 2.Qc7#
- 1...Sc5
- 2.Qc7#
- 1...Se5
- 2.Qc7#
- 1...Sb8
- 2.Qc7#
- 1...Sf8
- 2.Qc7#
- 1...d4
- 2.Sc4#
- 1...e5!
- 1...Sxb6
- 1.Bf3?
- 1...Sxb6
- 2.Qc7#
- 1...Sf6
- 2.Qc7#
- 1...Sc5
- 2.Qc7#
- 1...Se5
- 2.Qc7#
- 1...Sb8
- 2.Qc7#
- 1...Sf8
- 2.Qc7#
- 1...d4
- 2.Sc4#
- 1...e5!
- 1...Sxb6
- 1.Bh3?
- 1...Sxb6
- 2.Qc7#
- 1...Sf6
- 2.Qc7#
- 1...e5
- 2.Qxd7#
- 1...Sc5
- 2.Qc7#
- 1...Se5
- 2.Qc7#
- 1...Sb8
- 2.Qc7#
- 1...Sf8
- 2.Qc7#
- 1...d4!
- 1...Sxb6
- 1.Rc7?
- 1...Sf6
- 2.Sf7#
- 1...e5
- 2.Qxd7#
- 1...Sc5
- 2.Sf7#
- 1...Se5
- 2.Qf8#
- 2.Qe7#
- 1...Sb8
- 2.Sf7#
- 1...Sf8
- 2.Sf7#
- 1...d4
- 2.Sc4#
- 1...Sxb6!
- 1...Sf6
- 1.Rd8?
- 1...Kc5
- 2.Qe7#
- 1...e5
- 2.Qf8#
- 1...d4!
- 1...Kc5
- 1.Re8?
- 1...Kc5
- 2.Qe7#
- 1...Sf6
- 2.Qc7#
- 1...e5
- 2.Qe7#
- 1...Sc5
- 2.Qc7#
- 1...Se5
- 2.Qc7#
- 2.Qe7#
- 1...Sb8
- 2.Qc7#
- 1...Sf8
- 2.Qc7#
- 1...d4
- 2.Qxd4#
- 1...Sxb6!
- 1...Kc5
- 1.Qf7?
- threat
- 2.Qxe6#
- 1...e5
- 2.Qe6#
- 1...Sc5
- 2.Qc7#
- 1...Sf8
- 2.Qc7#
- 1...Ke5!
- threat
- 1.c4?
- 1...Sxb6
- 2.Qc7#
- 2.c5#
- 1...dxc4
- 2.Sxc4#
- 1...Sf6
- 2.Qc7#
- 1...Sc5
- 2.Qc7#
- 1...Se5
- 2.Qc7#
- 2.c5#
- 1...Sb8
- 2.Qc7#
- 2.c5#
- 1...Sf8
- 2.Qc7#
- 2.c5#
- 1...d4
- 2.Se4#
- 1...e5!
- 1...Sxb6
- 1.Kxb7?
- Keys
- 1.Rc5!
- 1...Kxc5
- 2.Qe7#
- 1...Sxc5
- 2.Qc7#
- 1...Sxb6
- 2.Qc7#
- 1...Sf6
- 2.Qc7#
- 1...e5
- 2.Rxd5#
- 1...Se5
- 2.Qc7#
- 1...Sb8
- 2.Qc7#
- 1...Sf8
- 2.Qc7#
- 1...d4
- 2.Se4#
- 1...Kxc5
- 1.Rc5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- S(e);OGATE::QAB1(H)
- S(e);OGATE,SBLOCK::QAB1(H)
- S(e);OGATE,XP(F)::QAB1(H)
- P(a);N_GUARD::S(B)
- Tries
- Try
- K(G);P-FLIGHT,XP(d)
- Threat
- R1(I)
- Vars
- S(e);OGATE::QAB1(H)
- S(e);OGATE,SBLOCK::QAB1(H)
- Refutation
- S(e);CHECK
- Try
- S(E);
- Vars
- S(e);OGATE,XP(F)::QAB1(H)
- S(e);OGATE::QAB1(H)
- S(e);OGATE,SBLOCK::QAB1(H)
- P(a);N_GUARD::S(B)
- Refutation
- P(c);
- Try
- S(E);
- Vars
- S(e);OGATE,XP(F)::QAB1(H)
- S(e);OGATE::QAB1(H)
- S(e);OGATE,SBLOCK::QAB1(H)
- P(a);N_GUARD::S(B)
- Refutation
- P(c);
- Try
- B(A);
- Vars
- S(e);OGATE,XP(F)::QAB1(H)
- S(e);OGATE::QAB1(H)
- S(e);OGATE,SBLOCK::QAB1(H)
- P(a);N_GUARD::S(B)
- Refutation
- P(c);
- Try
- B(A);
- Vars
- S(e);OGATE,XP(F)::QAB1(H)
- S(e);OGATE::QAB1(H)
- S(e);OGATE,SBLOCK::QAB1(H)
- P(a);N_GUARD::S(B)
- Refutation
- P(c);
- Try
- B(A);
- Vars
- S(e);OGATE,XP(F)::QAB1(H)
- S(e);OGATE::QAB1(H)
- P(c);SBLOCK::QAR1(H),XS(e)
- S(e);OGATE,SBLOCK::QAB1(H)
- Refutation
- P(a);
- Try
- R(I);
- Vars
- S(e);::S(E)
- P(c);SBLOCK::QAR1(H),XS(e)
- P(a);N_GUARD::S(B)
- Refutation
- S(e);XP(F)
- Try
- R(I);P_PINS(e)
- Vars
- K(b);N_SPINS(e),S_FLIGHT::QAB(H)
- P(c);SBLOCK::QAB(H)
- Refutation
- P(a);
- Try
- R(I);
- Vars
- K(b);S_FLIGHT::QAB(H)
- S(e);OGATE::QAB1(H)
- P(c);::QAB1(H)
- P(a);OGATEB::QAR2(H),XP(a)
- Refutation
- S(e);XP(F)
- Try
- Q(H);
- Threat
- QAR1(H),XP(c)
- Vars
- P(c);::QAR1(H)
- S(e);OGATE::QAB1(H)
- Refutation
- K(b);S_FLIGHT
- Try
- P(C);
- Vars
- P(a);XP(C)::S(B),XP(a)
- S(e);OGATE::QAB1(H)
- P(a);N_GUARD::S(E)
- Refutation
- P(c);
- Try
- Actual
- R(I);
- Vars
- K(b);S_FLIGHT,XR(I)::QAB(H)
- S(e);OGATE,XR(I)::QAB1(H)
- S(e);OGATE,XP(F)::QAB1(H)
- S(e);OGATE::QAB1(H)
- P(c);N_GUARD::R1(I),XP(a)
- S(e);OGATE,SBLOCK::QAB1(H)
- P(a);N_GUARD::S(E)
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