MESON Chess Problem Database
Problem Display
PID: 222368 (4R3/8/B2n4/1r2b3/NP1k4/2pb2Nn/Q7/K1BR4 w - - 0 1)
Kaps, Carl
Funkschach, 1927
#2
9 + 7
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Rxb4
- 2.Rxd3#
- 1...Ra5
- 2.Rxd3#
- 1...Rc5
- 2.Rxd3#
- 1...Rd5
- 2.Rxd3#
- 1...Rb6
- 2.Rxd3#
- 1...Rb7
- 2.Rxd3#
- 1...Rb8
- 2.Rxd3#
- 1...Bxg3
- 2.Be3#
- 1...Bf4
- 2.Se2#
- 1...Bf6
- 2.Se2#
- 2.Be3#
- 1...Bg7
- 2.Se2#
- 2.Be3#
- 1...Bh8
- 2.Se2#
- 2.Be3#
- 1...Se4
- 2.Se2#
- 2.Sf5#
- 1...Rxb4
- Tries
- 1.Sc5?
- threat
- 2.Se2#
- 2.Se6#
- 2.Rxd3#
- 1...Rxb4
- 2.Se6#
- 1...Rxc5
- 2.Rxd3#
- 1...Bxg3
- 2.Be3#
- 2.Rxd3#
- 1...Sc4
- 2.Rxd3#
- 1...c2
- 2.Se2#
- 2.Rxd3#
- 1...Bf4
- 2.Se2#
- 2.Rxd3#
- 1...Bf6
- 2.Se2#
- 2.Be3#
- 2.Rxd3#
- 1...Bg7
- 2.Se2#
- 2.Be3#
- 2.Rxd3#
- 1...Bh8
- 2.Se2#
- 2.Be3#
- 2.Rxd3#
- 1...Sg1
- 2.Se6#
- 2.Rxd3#
- 1...Sf2
- 2.Se2#
- 2.Se6#
- 1...Sg5
- 2.Se2#
- 2.Rxd3#
- 1...Sf4!
- threat
- 1.Qd5+?
- 1...Rxd5
- 2.Rxd3#
- 1...Kxd5!
- 1...Rxd5
- 1.Sc5?
- Keys
- 1.Sb6!
- 1...Rxb4
- 2.Qd5#
- 1...Rxb6
- 2.Rxd3#
- 1...Bxg3
- 2.Be3#
- 1...Sxe8
- 2.Qc4#
- 1...c2
- 2.Qb2#
- 1...Ra5
- 2.Rxd3#
- 1...Rc5
- 2.Rxd3#
- 1...Rd5
- 2.Rxd3#
- 2.Qxd5#
- 1...Bf4
- 2.Se2#
- 1...Bf6
- 2.Se2#
- 2.Be3#
- 1...Bg7
- 2.Se2#
- 2.Be3#
- 1...Bh8
- 2.Se2#
- 2.Be3#
- 1...Sg1
- 2.Qf2#
- 1...Sf2
- 2.Qxf2#
- 1...Sf4
- 2.Qf2#
- 1...Sg5
- 2.Qf2#
- 1...Sc4
- 2.Qxc4#
- 1...Se4
- 2.Se2#
- 2.Sf5#
- 2.Qc4#
- 1...Sf5
- 2.Qc4#
- 1...Sb7
- 2.Qc4#
- 1...Sf7
- 2.Qc4#
- 1...Sc8
- 2.Qc4#
- 1...Rxb4
- 1.Sb6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 11
- REMOVED MATES = 3
- Sets
- R(e);XP(G)::R1(C),XB(b)
- R(e);::R1(C),XB(b)
- B(f);XS(E)::B(B)
- B(f);::S(E)
- Tries
- Try
- S(F);
- Threat
- DUALS(3)
- Vars
- R(e);XP(G)::S(F)
- R(e);XS(F)::R1(C),XB(b)
- S(g);::R1(C),XB(b)
- Refutation
- S(c);
- Try
- Q(D);CHECK
- Vars
- R(e);SBLOCK,XQ(D)::R1(C),XB(b)
- Refutation
- K(d);P-FLIGHT,XQ(D)
- Try
- Actual
- S(F);
- Vars
- R(e);N_GUARD,XP(G)::QAR1(D)
- R(e);XS(F)::R1(C),XB(b)
- B(f);XS(E)::B(B)
- S(g);N_GUARD,XR(I)::QAR1(D)
- P(a);OGATEB::QAB(D)
- R(e);P_PINQ(D)::R1(C),XB(b)
- R(e);::R1(C),XB(b)
- B(f);::S(E)
- S(c);N_GUARD::QAB(D)
- S(c);N_GUARD::QAB(D),XS(c)
- S(g);N_GUARD::QAR1(D),XS(g)
- S(g);N_GUARD::QAR1(D)
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