MESON Chess Problem Database
Problem Display
PID: 110702 (8/p2p4/B2K2p1/N1P3B1/Rb1kp1P1/3p4/np3R2/nN6 w - - 0 1)
Brouwer, HH
1st HM., DSV Ty., 1926
#2
9 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Sc2
- 2.Sb3#
- 1...Sb3
- 2.Sxb3#
- 1...Sc1
- 2.Rxb4#
- 1...Sc3
- 2.Rxb4#
- 1...d2
- 2.Rxd2#
- 1...e3
- 2.Rf4#
- 1...Sc2
- Tries
- 1.Bd2?
- 1...e3
- 2.Rf4#
- 1...Sc2
- 2.Sb3#
- 1...Sb3
- 2.Sxb3#
- 1...Sc1
- 2.Rxb4#
- 1...Sc3
- 2.Rxb4#
- 1...g5!
- 1...e3
- 1.Bh6?
- 1...e3
- 2.Rf4#
- 1...Sc2
- 2.Sb3#
- 1...Sb3
- 2.Sxb3#
- 1...Sc1
- 2.Rxb4#
- 1...Sc3
- 2.Rxb4#
- 1...d2
- 2.Rxd2#
- 1...g5!
- 1...e3
- 1.Bb5?
- 1...e3
- 2.Rf4#
- 1...Sc2
- 2.Sb3#
- 1...Sb3
- 2.Sxb3#
- 1...Sc1
- 2.Rxb4#
- 1...Sc3
- 2.Rxb4#
- 1...d2
- 2.Rxd2#
- 1...a6!
- 1...e3
- 1.Rf1?
- 1...e3
- 2.Rf4#
- 1...Sc2
- 2.Sb3#
- 1...Sb3
- 2.Sxb3#
- 1...Sc1
- 2.Rxb4#
- 1...Sc3
- 2.Rxb4#
- 1...d2!
- 1...e3
- 1.Rxb2?
- 1...Sc2
- 2.Sb3#
- 1...Sb3
- 2.Sxb3#
- 1...Sc1
- 2.Rbxb4#
- 2.Raxb4#
- 1...Sc3
- 2.Rbxb4#
- 2.Raxb4#
- 1...d2
- 2.Rxd2#
- 1...e3!
- 1...Sc2
- 1.Rc2?
- threat
- 2.Rc4#
- 1...Sxc2
- 2.Sb3#
- 1...Sc3
- 2.Rxb4#
- 1...d2
- 2.Rxd2#
- 1...dxc2!
- threat
- 1.Rd2?
- 1...Sc2
- 2.Sb3#
- 1...Sb3
- 2.Sxb3#
- 1...Sc1
- 2.Rxb4#
- 1...Sc3
- 2.Rxb4#
- 1...e3!
- 1...Sc2
- 1.Rg2?
- 1...Sc2
- 2.Sb3#
- 1...Sb3
- 2.Sxb3#
- 1...Sc1
- 2.Rxb4#
- 1...Sc3
- 2.Rxb4#
- 1...d2
- 2.Rxd2#
- 1...e3!
- 1...Sc2
- 1.Rh2?
- 1...Sc2
- 2.Sb3#
- 1...Sb3
- 2.Sxb3#
- 1...Sc1
- 2.Rxb4#
- 1...Sc3
- 2.Rxb4#
- 1...d2
- 2.Rxd2#
- 1...e3!
- 1...Sc2
- 1.Rf3?
- threat
- 2.Be3#
- 2.Bf6#
- 1...e3
- 2.Rf4#
- 1...Sc2
- 2.Sb3#
- 2.Bf6#
- 1...exf3!
- threat
- 1.Rf5?
- threat
- 2.Rd5#
- 1...e3
- 2.Rf4#
- 1...Sc3
- 2.Rxb4#
- 1...gxf5!
- threat
- 1.Rf6?
- 1...e3
- 2.Rf4#
- 1...Sc2
- 2.Sb3#
- 1...Sb3
- 2.Sxb3#
- 1...Sc1
- 2.Rxb4#
- 1...Sc3
- 2.Rxb4#
- 1...d2!
- 1...e3
- 1.Rf7?
- 1...e3
- 2.Rf4#
- 1...Sc2
- 2.Sb3#
- 1...Sb3
- 2.Sxb3#
- 1...Sc1
- 2.Rxb4#
- 1...Sc3
- 2.Rxb4#
- 1...d2!
- 1...e3
- 1.Rf8?
- 1...e3
- 2.Rf4#
- 1...Sc2
- 2.Sb3#
- 1...Sb3
- 2.Sxb3#
- 1...Sc1
- 2.Rxb4#
- 1...Sc3
- 2.Rxb4#
- 1...d2!
- 1...e3
- 1.Bd2?
- Keys
- 1.Sc3!
- threat
- 2.Sb5#
- 1...Kxc3
- 2.Bf6#
- 1...Sxc3
- 2.Rxb4#
- 1...d2
- 2.Se2#
- 1...e3
- 2.Bf6#
- threat
- 1.Sc3!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 3
- Sets
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- S(b);N_GUARD::R(C),XB(e)
- P(d);OGATEB::R(B),XP(d)
- P(g);OGATEB,SBLOCK::R(B)
- Tries
- Try
- B(G);
- Vars
- P(g);OGATEB::R(B)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- S(b);N_GUARD::R(C),XB(e)
- Refutation
- P(h);
- Try
- B(G);
- Vars
- P(g);OGATEB,SBLOCK::R(B)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- S(b);N_GUARD::R(C),XB(e)
- P(d);OGATEB::R(B),XP(d)
- Refutation
- P(h);
- Try
- B(H);
- Vars
- P(g);OGATEB,SBLOCK::R(B)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- S(b);N_GUARD::R(C),XB(e)
- P(d);OGATEB::R(B),XP(d)
- Refutation
- P(i);
- Try
- R(B);
- Vars
- P(g);OGATEB,SBLOCK::R(B)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- S(b);N_GUARD::R(C),XB(e)
- Refutation
- P(d);
- Try
- R(B);XP(c)
- Vars
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- P(d);OGATEB::R(B),XP(d)
- Refutation
- P(g);
- Try
- R(B);
- Threat
- R1(B)
- Vars
- S(a);N_GUARD,XR(B)::S(E)
- S(b);N_GUARD::R(C),XB(e)
- P(d);OGATEB::R(B),XP(d)
- Refutation
- P(d);XR(B)
- Try
- R(B);P_PINP(d)
- Vars
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- S(b);N_GUARD::R(C),XB(e)
- Refutation
- P(g);
- Try
- R(B);
- Vars
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- S(b);N_GUARD::R(C),XB(e)
- P(d);OGATEB::R(B),XP(d)
- Refutation
- P(g);
- Try
- R(B);
- Vars
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- S(b);N_GUARD::R(C),XB(e)
- P(d);OGATEB::R(B),XP(d)
- Refutation
- P(g);
- Try
- R(B);
- Threat
- DUALS(2)
- Vars
- P(g);OGATEB,SBLOCK::R(B)
- Refutation
- P(g);XR(B)
- Try
- R(B);
- Threat
- R1(B)
- Vars
- P(g);OGATEB,SBLOCK::R(B)
- S(b);N_GUARD::R(C),XB(e)
- Refutation
- P(h);XR(B)
- Try
- R(B);
- Vars
- P(g);OGATEB,SBLOCK::R(B)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- S(b);N_GUARD::R(C),XB(e)
- Refutation
- P(d);
- Try
- R(B);
- Vars
- P(g);OGATEB,SBLOCK::R(B)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- S(b);N_GUARD::R(C),XB(e)
- Refutation
- P(d);
- Try
- R(B);
- Vars
- P(g);OGATEB,SBLOCK::R(B)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- S(b);N_GUARD::R(C),XB(e)
- Refutation
- P(d);
- Try
- Actual
- S(A);
- Threat
- S(A)
- Vars
- K(f);N_SPINB(e),S_FLIGHT,XS(A)::B(G)
- S(b);N_GUARD,SBLOCK,XS(A)::R(C),XB(e)
- P(d);N_GUARD::S(A)
- P(g);SBLOCK::B(G)
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