MESON Chess Problem Database
Problem Display
PID: 91302 (1Q6/2ppp3/3k1p2/KR1P1R2/1p6/1p1n4/1P1B4/8 w - - 0 1)
Volkmann, Albert
Die Schwalbe 094. TT, 1949
#2
7 + 8
| 5454 | Near Snap | 2009 |
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Sc1
- 2.Bxb4#
- 1...Se1
- 2.Bxb4#
- 1...Sxb2
- 2.Bxb4#
- 1...Sf2
- 2.Bxb4#
- 1...Sf4
- 2.Bxb4#
- 1...Sc5
- 2.Rb6#
- 1...Se5
- 2.Bxb4#
- 1...e5
- 2.Qf8#
- 1...e6
- 2.Qf8#
- 1...Sc1
- Tries
- 1.Ka6?
- 1...Sxb2
- 2.Bxb4#
- 1...e5
- 2.Qf8#
- 1...e6
- 2.Qf8#
- 1...Sc1
- 2.Bxb4#
- 1...Se1
- 2.Bxb4#
- 1...Sf2
- 2.Bxb4#
- 1...Sf4
- 2.Bxb4#
- 1...Se5
- 2.Bxb4#
- 1...Sc5+!
- 1...Sxb2
- 1.Be1?
- 1...Sxb2
- 2.Bxb4#
- 1...e5
- 2.Qf8#
- 1...e6
- 2.Qf8#
- 1...Sc1
- 2.Bxb4#
- 1...Sf2
- 2.Bxb4#
- 1...Sf4
- 2.Bxb4#
- 1...Sc5
- 2.Rb6#
- 1...Se5
- 2.Bxb4#
- 1...Sxe1!
- 1...Sxb2
- 1.Bc3?
- 1...Sxb2
- 2.Bxb4#
- 1...e5
- 2.Qf8#
- 1...e6
- 2.Qf8#
- 1...Sc1
- 2.Bxb4#
- 1...Se1
- 2.Bxb4#
- 1...Sf2
- 2.Bxb4#
- 1...Sf4
- 2.Bxb4#
- 1...Sc5
- 2.Rb6#
- 1...Se5
- 2.Bxb4#
- 1...bxc3!
- 1...Sxb2
- 1.Be3?
- threat
- 2.Rb6#
- 1...e5
- 2.Qf8#
- 1...e6
- 2.Qf8#
- 1...Se5!
- threat
- 1.Bxb4+?
- 1...Sc5
- 2.Bxc5#
- 2.Rb6#
- 1...Sxb4!
- 1...Sc5
- 1.Rh5?
- 1...Sxb2
- 2.Bxb4#
- 1...e5
- 2.Qf8#
- 1...e6
- 2.Qf8#
- 1...Se5
- 2.Bxb4#
- 1...Sc1
- 2.Bxb4#
- 1...Se1
- 2.Bxb4#
- 1...Sf2
- 2.Bxb4#
- 1...Sf4
- 2.Bxb4#
- 1...Sc5
- 2.Rb6#
- 1...f5!
- 1...Sxb2
- 1.Qb6+?
- 1...c6
- 2.Qb8#
- 1...cxb6+!
- 1...c6
- 1.Ka6?
- Keys
- 1.Qf8!
- 1...Sxb2
- 2.Bf4#
- 1...c5
- 2.Qb8#
- 1...c6
- 2.Qb8#
- 1...Se5
- 2.Rxf6#
- 1...Sc1
- 2.Bf4#
- 1...Se1
- 2.Bf4#
- 1...Sf2
- 2.Bf4#
- 1...Sf4
- 2.Bxf4#
- 1...Sc5
- 2.Bf4#
- 1...Sxb2
- 1.Qf8!
Anticipated by 90149(1949)
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 7
- ADDED MATES = 2
- REMOVED MATES = 2
- Sets
- S(b);N_GUARD::B(B),XP(c)
- S(b);N_GUARD,XP(A)::B(B),XP(c)
- S(b);SBLOCK::R(D)
- P(h);OGATEB::QAB(G)
- Tries
- Try
- K(C);P-FLIGHT
- Vars
- S(b);N_GUARD,XP(A)::B(B),XP(c)
- P(h);OGATEB::QAB(G)
- S(b);N_GUARD::B(B),XP(c)
- Refutation
- S(b);CHECK
- Try
- B(B);
- Vars
- S(b);N_GUARD,XP(A)::B(B),XP(c)
- P(h);OGATEB::QAB(G)
- S(b);N_GUARD::B(B),XP(c)
- S(b);SBLOCK::R(D)
- Refutation
- S(b);XB(B)
- Try
- B(B);
- Vars
- S(b);N_GUARD,XP(A)::B(B),XP(c)
- P(h);OGATEB::QAB(G)
- S(b);N_GUARD::B(B),XP(c)
- S(b);SBLOCK::R(D)
- Refutation
- P(c);XB(B)
- Try
- B(B);
- Threat
- R(D)
- Vars
- P(h);OGATEB::QAB(G)
- Refutation
- S(b);
- Try
- B(B);CHECK,XP(c)
- Refutation
- S(b);XB(B)
- Try
- R(F);
- Vars
- S(b);N_GUARD,XP(A)::B(B),XP(c)
- P(h);OGATEB::QAB(G)
- S(b);N_GUARD::B(B),XP(c)
- S(b);SBLOCK::R(D)
- Refutation
- P(e);
- Try
- Q(G);CHECK,N_PINP(f)
- Vars
- P(f);OGATEB,P_SPINP(f)::QAB(G)
- Refutation
- P(f);CHECK,XQ(G)
- Try
- Actual
- Q(G);N_PINP(f),P_PINP(h)
- Vars
- S(b);N_GUARD,XP(A)::B(B)
- P(f);OGATEB::QAB(G)
- S(b);SBLOCK::R(F),XP(e)
- S(b);N_GUARD::B(B)
- S(b);N_GUARD::B(B),XS(b)
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