Meson Chess Problem Database

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Problem Display

PID: 250275 (6N1/2p1b2R/K1Pkp1p1/p3r3/1PQ2n2/6Bb/1N1r4/4Rq1B w - - 0 1)

Kiszela, Geza

Nepszava, 1927

6N1/2p1b2R/K1Pkp1p1/p3r3/1PQ2n2/6Bb/1N1r4/4Rq1B

#2

10 + 11

6490	yacpdb	2021

SOLUTION

SOUND
Sets
- 1...Qxc4+
  - 2.Sxc4#
- 1...Re2
  - 2.Qc5#
- 1...Rc5
  - 2.bxc5#
- 1...Rf5
  - 2.Rxe6#
- 1...Bh4
  - 2.Rd7#
- 1...Bg5
  - 2.Rd7#
- 1...Bf6
  - 2.Rd7#
- 1...Bd8
  - 2.Rd7#
- 1...Bf8
  - 2.Rd7#
- 1...Se2
  - 2.Qc5#
- 1...Sg2
  - 2.Bxe5#
- 1...Sd3
  - 2.Qd4#
- 1...Sd5
  - 2.Bxe5#
- 1...Sh5
  - 2.Bxe5#
Keys
- 1.Sh6!
  - threat
    - 2.Sf7#
  - 1...Qxc4+
    - 2.Sxc4#
  - 1...Rf5
    - 2.Rxe6#
  - 1...Bh4
    - 2.Rd7#
  - 1...Bg5
    - 2.Rd7#
  - 1...Bf6
    - 2.Rd7#
  - 1...Bd8
    - 2.Rd7#
  - 1...Bf8
    - 2.Rd7#
  - 1...Se2
    - 2.Qc5#
  - 1...Sg2
    - 2.Bxe5#
  - 1...Sd3
    - 2.Qd4#
  - 1...Sd5
    - 2.Bxe5#
  - 1...Sh5
    - 2.Bxe5#

FEATURES

Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 2
Sets
- Q(a);CHECK,XQ(F)::S(C),XQ(a)
- R(f);N_PINQ(F),P_SPINS(d)::QAB1(F)
- R(f);OGATE,P_SPINS(d)::P(E),XR(f)
- R(f);OGATE,P_SPINS(d)::R1(A),XP(h)
- B(k);OGATE::R1(I)
- S(d);N_PINQ(F),P_SPINR(f)::QAB1(F)
- S(d);OGATE,P_SPINR(f)::B(D),XR(f)
- S(d);N_PINQ(F),P_SPINR(f)::QAR2(F)
Actual
- S(J);
- Threat
  - S(J)
- Vars
  - Q(a);CHECK,XQ(F)::S(C),XQ(a)
  - R(f);OGATE,P_SPINS(d)::R1(A),XP(h)
  - B(k);OGATE::R1(I)
  - S(d);N_PINQ(F),P_SPINR(f)::QAB1(F)
  - S(d);OGATE,P_SPINR(f)::B(D),XR(f)
  - S(d);N_PINQ(F),P_SPINR(f)::QAR2(F)

Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).