MESON Chess Problem Database
Problem Display
PID: 110782 (3B1N1K/1p1P4/1R4bR/1Pk3p1/2P2nN1/2QP4/2n5/8 w - - 0 1)
Moldovanski, Arkady
Samotugov, Evgeny S
Shakhmaty, 1966
#2
11 + 6
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bxd3
- 2.Be7#
- 1...Be4
- 2.Be7#
- 1...Bf5
- 2.Be7#
- 1...Bh5
- 2.Be7#
- 1...Bf7
- 2.Be7#
- 1...Bh7
- 2.Be7#
- 1...Be8
- 2.Be7#
- 1...Sa1
- 2.d4#
- 1...Se1
- 2.d4#
- 1...Sa3
- 2.d4#
- 1...Se3
- 2.d4#
- 1...Sb4
- 2.d4#
- 1...Sd4
- 2.Qa3#
- 1...Se2
- 2.Se6#
- 1...Sg2
- 2.Se6#
- 1...Sxd3
- 2.Se6#
- 1...Sh3
- 2.Se6#
- 1...Sd5
- 2.Se6#
- 1...Sh5
- 2.Se6#
- 1...Se6
- 2.Sxe6#
- 1...Bxd3
- Tries
- 1.Kg7?
- 1...Se6+
- 2.Sxe6#
- 1...Bxd3
- 2.Be7#
- 1...Sxd3
- 2.Se6#
- 1...Be4
- 2.Be7#
- 1...Bf5
- 2.Be7#
- 1...Bh5
- 2.Be7#
- 1...Bf7
- 2.Be7#
- 1...Bh7
- 2.Be7#
- 1...Be8
- 2.Be7#
- 1...Sa1
- 2.d4#
- 1...Se1
- 2.d4#
- 1...Sa3
- 2.d4#
- 1...Se3
- 2.d4#
- 1...Sb4
- 2.d4#
- 1...Sd4
- 2.Qa3#
- 1...Se2
- 2.Se6#
- 1...Sg2
- 2.Se6#
- 1...Sh3
- 2.Se6#
- 1...Sd5
- 2.Se6#
- 1...Sh5+!
- 1...Se6+
- 1.Sf2?
- 1...Bxd3
- 2.Be7#
- 1...Sxd3
- 2.Se6#
- 1...Be4
- 2.Sxe4#
- 2.Be7#
- 1...Bf5
- 2.Be7#
- 1...Bh5
- 2.Se4#
- 2.Be7#
- 1...Bf7
- 2.Se4#
- 2.Be7#
- 1...Bh7
- 2.Be7#
- 1...Be8
- 2.Se4#
- 2.Be7#
- 1...Sa1
- 2.d4#
- 1...Se1
- 2.d4#
- 1...Sa3
- 2.d4#
- 1...Se3
- 2.d4#
- 1...Sb4
- 2.d4#
- 1...Sd4
- 2.Qa3#
- 1...Se2
- 2.Se6#
- 1...Sg2
- 2.Se6#
- 1...Sh3
- 2.Se6#
- 1...Sd5
- 2.Se6#
- 1...Sh5
- 2.Se6#
- 1...Se6
- 2.Sxe6#
- 1...g4!
- 1...Bxd3
- 1.Sh2?
- 1...Bxd3
- 2.Be7#
- 1...Sxd3
- 2.Se6#
- 1...Be4
- 2.Be7#
- 1...Bf5
- 2.Be7#
- 1...Bh5
- 2.Be7#
- 1...Bf7
- 2.Be7#
- 1...Bh7
- 2.Be7#
- 1...Be8
- 2.Be7#
- 1...Sa1
- 2.d4#
- 1...Se1
- 2.d4#
- 1...Sa3
- 2.d4#
- 1...Se3
- 2.d4#
- 1...Sb4
- 2.d4#
- 1...Sd4
- 2.Qa3#
- 1...Se2
- 2.Se6#
- 1...Sg2
- 2.Se6#
- 1...Sh3
- 2.Se6#
- 1...Sd5
- 2.Se6#
- 1...Sh5
- 2.Se6#
- 1...Se6
- 2.Sxe6#
- 1...g4!
- 1...Bxd3
- 1.Se3?
- 1...Bxd3
- 2.Be7#
- 1...Sxe3
- 2.d4#
- 1...Sxd3
- 2.Se6#
- 1...Be4
- 2.Be7#
- 1...Bf5
- 2.Be7#
- 1...Bh5
- 2.Be7#
- 1...Bf7
- 2.Be7#
- 1...Bh7
- 2.Be7#
- 1...Be8
- 2.Be7#
- 1...Sa1
- 2.d4#
- 1...Se1
- 2.d4#
- 1...Sa3
- 2.d4#
- 1...Sb4
- 2.d4#
- 1...Sd4
- 2.Qa3#
- 1...Se2
- 2.Se6#
- 1...Sg2
- 2.Se6#
- 1...Sh3
- 2.Se6#
- 1...Sd5
- 2.Se6#
- 2.cxd5#
- 1...Sh5
- 2.Se6#
- 1...Se6
- 2.Sxe6#
- 1...g4!
- 1...Bxd3
- 1.Se5?
- 1...Bxd3
- 2.Be7#
- 1...Sxd3
- 2.Se6#
- 1...Be4
- 2.Be7#
- 1...Bf5
- 2.Be7#
- 1...Bh5
- 2.Be7#
- 1...Bf7
- 2.Be7#
- 1...Bh7
- 2.Be7#
- 1...Be8
- 2.Be7#
- 1...Sa1
- 2.d4#
- 1...Se1
- 2.d4#
- 1...Sa3
- 2.d4#
- 1...Se3
- 2.d4#
- 1...Sb4
- 2.d4#
- 1...Sd4
- 2.Qa3#
- 1...Se2
- 2.Se6#
- 1...Sg2
- 2.Se6#
- 1...Sh3
- 2.Se6#
- 1...Sd5
- 2.Se6#
- 1...Sh5
- 2.Se6#
- 1...Se6
- 2.Sxe6#
- 1...g4!
- 1...Bxd3
- 1.Ra6?
- threat
- 2.Be7#
- 1...Sd5
- 2.Se6#
- 1...bxa6!
- threat
- 1.Rxb7?
- threat
- 2.Be7#
- 1...Kd6
- 2.Qe5#
- 1...Sd5!
- threat
- 1.Rhxg6?
- threat
- 2.Be7#
- 1...Sd5
- 2.Se6#
- 1...Se6
- 2.Sxe6#
- 1...Sxg6+!
- threat
- 1.Kg7?
- Keys
- 1.Rd6!
- 1...Kxd6
- 2.Qe5#
- 1...Bxd3
- 2.Bb6#
- 1...Sxd3
- 2.Rd5#
- 1...Be4
- 2.Bb6#
- 1...Bf5
- 2.Bb6#
- 1...Bh5
- 2.Bb6#
- 1...Bf7
- 2.Bb6#
- 1...Bh7
- 2.Bb6#
- 1...Be8
- 2.Bb6#
- 1...Sa1
- 2.Qa3#
- 1...Se1
- 2.Qa3#
- 1...Sa3
- 2.Qxa3#
- 1...Se3
- 2.Qa3#
- 1...Sb4
- 2.Qd4#
- 1...Sd4
- 2.Qa3#
- 1...Se2
- 2.Rd5#
- 1...Sg2
- 2.Rd5#
- 1...Sh3
- 2.Rd5#
- 1...Sd5
- 2.Rxd5#
- 1...Sh5
- 2.Rd5#
- 1...Se6
- 2.Rd5#
- 1...b6
- 2.Rc6#
- 1...Kxd6
- 1.Rd6!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 19
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- B(e);XP(B)::B(I)
- B(e);::B(I)
- S(a);N_GUARD::P(B)
- S(a);N_GUARD,SBLOCK::QAB(A)
- S(b);N_GUARD::S(J)
- S(b);N_GUARD,XP(B)::S(J)
- S(b);N_GUARD::S(J),XS(b)
- Tries
- Try
- K(K);S_FLIGHT
- Vars
- S(b);CHECK,N_GUARD::S(J),XS(b)
- B(e);XP(B)::B(I)
- S(b);N_GUARD,XP(B)::S(J)
- B(e);::B(I)
- S(a);N_GUARD::P(B)
- S(a);N_GUARD,SBLOCK::QAB(A)
- S(b);N_GUARD::S(J)
- Refutation
- S(b);CHECK
- Try
- S(D);
- Vars
- B(e);XP(B)::B(I)
- S(b);N_GUARD,XP(B)::S(J)
- B(e);::B(I)
- S(a);N_GUARD::P(B)
- S(a);N_GUARD,SBLOCK::QAB(A)
- S(b);N_GUARD::S(J)
- S(b);N_GUARD::S(J),XS(b)
- Refutation
- P(d);
- Try
- S(D);
- Vars
- B(e);XP(B)::B(I)
- S(b);N_GUARD,XP(B)::S(J)
- B(e);::B(I)
- S(a);N_GUARD::P(B)
- S(a);N_GUARD,SBLOCK::QAB(A)
- S(b);N_GUARD::S(J)
- S(b);N_GUARD::S(J),XS(b)
- Refutation
- P(d);
- Try
- S(D);
- Vars
- B(e);XP(B)::B(I)
- S(a);N_GUARD,XS(D)::P(B)
- S(b);N_GUARD,XP(B)::S(J)
- B(e);::B(I)
- S(a);N_GUARD::P(B)
- S(a);N_GUARD,SBLOCK::QAB(A)
- S(b);N_GUARD::S(J)
- S(b);N_GUARD::S(J),XS(b)
- Refutation
- P(d);
- Try
- S(D);
- Vars
- B(e);XP(B)::B(I)
- S(b);N_GUARD,XP(B)::S(J)
- B(e);::B(I)
- S(a);N_GUARD::P(B)
- S(a);N_GUARD,SBLOCK::QAB(A)
- S(b);N_GUARD::S(J)
- S(b);N_GUARD::S(J),XS(b)
- Refutation
- P(d);
- Try
- R(F);
- Threat
- B(I)
- Vars
- S(b);N_GUARD::S(J)
- Refutation
- P(f);XR(F)
- Try
- R(F);XP(f)
- Threat
- B(I)
- Vars
- K(c);P_SPINB(e),S_FLIGHT::QAB1(A)
- Refutation
- S(b);
- Try
- R(G);XB(e)
- Threat
- B(I)
- Vars
- S(b);N_GUARD::S(J)
- S(b);N_GUARD::S(J),XS(b)
- Refutation
- S(b);CHECK,XR(G)
- Try
- Actual
- R(F);
- Vars
- K(c);P_SPINB(e),S_FLIGHT,XR(F)::QAB1(A)
- B(e);XP(B)::B(I)
- S(b);N_GUARD,XP(B)::R1(F)
- B(e);::B(I)
- S(a);N_GUARD::QAB(A)
- S(a);N_GUARD::QAB(A),XS(a)
- S(a);N_GUARD,SBLOCK::QAB1(A)
- S(b);N_GUARD::R1(F)
- S(b);N_GUARD::R1(F),XS(b)
- P(f);N_GUARD::R1(F)
Developed and maintained by Brian Stephenson.
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